Ascon tecnologic Z31V User manual

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 1

Z31V - Z31SV

DIGITAL ELECTRONIC

THERMOMETER WITH

ALARM THRESHOLDS

OPERATING INSTRUCTIONS

09/09 - Code: ISTR_M_Z31V_E_01_--

ASCON TECNOLOGIC S.r.l.

Viale Indipendenza 56, 27029 - VIGEVANO (PV) ITALY

Tel.: +39 0381 69871 - Fax: +39 0381 698730

http:\\www.ascontecnologic.com

[email protected]

PREFACE

m This manual contains the information necessary for

the product to be installed correctly and also instruc-

tions for its maintenance and use; we therefore recom-

mend that the utmost attention is paid to the following

instructions and to save it.

This document is the exclusive property of

Ascon Tecnologic

S.r.l. which forbids any reproduction and divulgation, even

partially, of the document, unless expressly authorized.

Ascon Tecnologic

S.r.l. reserves the right to make any formal

or functional changes at any moment and without any notice.

Ascon Tecnologic

S.r.l. and its legal representatives do not

assume any responsibility for any damage to people, things

or animals deriving from violation, wrong or improper use or

in any case not in compliance with the instrument features.

m Whenever a failure or a malfunction of the device

may cause dangerous situations for persons, thing

or animals, please remember that the plant has to be

equipped with additional electromechanical devices

which will guarantee safety.

1. INSTRUMENT DESCRIPTION

1.1 General description

The Z31V is a digital electronic microprocessor thermometer

equipped with functions for temperature alarms.

The instrument has 1 input for PTC or NTC temperature

probes and can be equipped with either an internal

buzzer or a relay output for alarm signaling.

The Z31SV differs from the standard model in aesthetics and

the capacitive touch keyboard called “S-touch”.

Index

1. Instrument description ............................................... 1

1.1 General description........................................................... 1

1.2 Front panel description ..................................................... 2

2. Programming ............................................................... 2

2.1 Parameters programming ................................................. 2

2.2 Parameter protection using a password............................ 2

2.3 Reset parameters to default value .................................... 2

2.4 Keyboard lock function...................................................... 2

3. Usage warnings........................................................... 3

3.1 Admitted use..................................................................... 3

4. Installation warnings................................................... 3

4.1 Mechanical mounting........................................................ 3

4.2 Dimensions [mm] .............................................................. 3

4.2.1 Mechanical dimensions ........................................................ 3

4.2.2 Panel cut-out......................................................................... 3

4.2.3 Mounting [mm]...................................................................... 3

4.3 Electrical connections ....................................................... 3

4.3.1 Electrical wiring diagram....................................................... 4

5. Functions ..................................................................... 4

5.1 Measure and display conﬁguration ................................... 4

5.2 Alarm functions ................................................................. 4

5.3 Temperature alarms .......................................................... 4

6. Accessories ................................................................. 5

6.1 Parameters conﬁguration by “A01”.................................... 5

7. Programmable parameters table................................ 5

8. Problems and maintenance........................................ 6

8.1 Notiﬁcations ...................................................................... 6

8.1.1 Error messages .................................................................... 6

8.1.2 Other messages ................................................................... 6

8.2 Cleaning............................................................................ 6

8.3 Disposal ............................................................................ 6

9. Warranty and Repairs ................................................. 6

10. Technical data.............................................................. 6

10.1 Electrical characteristics ................................................... 6

10.2 Mechanical characteristics................................................ 6

10.3 Functional features ........................................................... 6

11. How to order ................................................................ 7

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 2

1.2 Front panel description

Z31V

1. :Hold pressed for 5 s allows access to the param-

eters programming mode. In programming mode it is

used to access the parameters editing and for the values

conﬁrmation. In programming mode it can be used to-

gether with the key to change the programming level

of the parameters. When the keyboard is locked, it can

be used together with key (both pressed for 5 s) key

to unlock the keyboard.

2. :In programming mode is used for decreasing the

values to be set and for parameters selection.

3. :In programming mode is used for increasing the val-

ues to be set and for parameters selection. In program-

ming mode can be used together with key to change

parameters level. When the keyboard is locked, it can be

used together with key (both pressed for 5 s) key to

unlock the keyboard

4. :Pressed and released causes the display of the in-

strument variables (measured temperatures etc.). In pro-

gramming mode can be used to return in normal mode.

5. LED SET: In normal mode indicates when a key is

pressed. In programming mode indicates the param-

eters programming level.

6. LED :Indicates the alarm status: active (on), not ac-

tive (off) or silenced (ﬂashing).

2. PROGRAMMING

2.1 Parameters programming

To access the instrument operating parameters when pass-

word protection is disabled, press the key and keep it

pressed for about 5 seconds, after which the display shows

the code that identiﬁes the ﬁrst parameter.

Using the and keys, select the desired parameter

and press the key, the display will show the parameter

code alternated to its setting value that can be changed with

the and keys. Once the desired value has been set,

press the key again: the new value will be stored and the

display will show again the selected parameter code only.

Pressing the and keys, it is possible to select another

parameter and change it as described.

To exit the programming mode, press no keys for about 30 s

or keep the key pressed for 2 s.

Param.

Normal

mode

Parameter selection

(Programming mode)

Parameters set

Param.

5 s Increase

value

Decrease

value

-25.5

s.Ls

-30.0

2.2 Parameter protection using a password

The instrument has a parameter protection function using a

password that can be personalised, through t.PP parameter.

To protect the parameters, set the desired password number

at t.PP parameter.

When the protection is active, press the key to access

the parameters and keep it pressed for about 5 s, after which

the display shows r.P. Press the key again, the display

will show 0, at this point, using the and keys, set the

programmed password number and press the key again.

If the password is correct the instrument displays the code of

the ﬁrst parameter and it will be possible to program the in-

strument in the same way described in the previous section.

Normal

mode

2 s

5 s Increase

value

Decrease

value

-25.5

r.p.

s.ls

Password

request

Insert the

correct password

number

Parameters

(programing mode)

The password protection can be disabled by setting the

parameter t.PP = oF.

Note: If the Password gets lost, just switch OFF and ON the

instrument, push key during the initial test keeping

it pressed for 5 s. In this way it will be possible to ac-

cess all the parameters, verify and modify the param-

eter t.PP.

2.3 Reset parameters to default value

The instrument allows the reset all the parameters to those

values programmed in factory as default.

To restore the default parameters value, simply set the value

-48 at r.P password request.

Therefore, to do the reset, enable the Password using the

t.PP parameter in order to turn ON the r.P password request,

then set -48 instead of the programmed password.

Once conﬁrmed the password with the key the display

shows “---” for about 2 s, then the instrument resets all the pa-

rameters and restores their factory-programmed default values.

2.4 Keyboard lock function

On the instrument it is possible to completely lock the keyboard.

This function is useful when the

instrument

is in an accessible

area and the changes must be avoided.

To activate the keyboard lock it is enough program the pa-

rameter t.Lo to a value different than oF.

The

t.Lo

value is the keys inactivity time after which the key-

board will be automatically locked.

Therefore, pressing no keys for the time set at t.Lo param-

eter the instrument automatically disables the normal func-

tions of the keys.

When the keyboard is locked, if any of the key is pressed,

the display shows Ln to warn that the lock is active.

To unlock the keyboard it is enough to press the and

keys at the same time and keep them pressed for 5 s, after

which the label LF appears on the display and all the key

functions will be available again.

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 3

3. USAGE WARNINGS

3.1 Admitted use

m The instrument has been projected and manufactured

as a measuring and control device to be used accord-

ing to EN61010-1 at altitudes operation below 2000 m.

Using the instrument for applications not expressly permitted

by the above mentioned rule must adopt all the necessary

protective measures.

The instrument must not be used in dangerous environ-

ments (ﬂammable or explosive) without adequate protections.

m The installer must ensure that the EMC rules are

respected, also after the instrument installation, if

necessary using proper ﬁlters.

4. INSTALLATION WARNINGS

4.1 Mechanical mounting

The instrument, in case 78 x 35 mm, is designed for ﬂush-

in panel mounting. Make a 71 x 29 mm hole and insert the

instrument, ﬁxing it with the provided special brackets.

To obtain the declared front protection degree please use the

optional screw type bracket.

–Avoid installing the instrument in places with high humidity

which can generate condensation or with dirt which can

lead to the introduction of conductive substances into the

instrument.

–Ensure the adequate ventilation to the instrument and avoid

the installation within boxes where are placed devices which

may overheat or have, as a consequence, the instrument

functioning at temperature higher than allowed and declared.

–Connect the instrument as far as possible from source of

electromagnetic disturbances so as motors, power relays,

relays, electrovalves, etc..

4.2 Dimensions [mm]

4.2.1 Mechanical dimensions

Z31V

12.2

14.5

664

4.2.2 Panel cut-out

+0.6

RECOMMENDED

PANEL CUTOUT

min. 12 mm

min. 15 mm

4.2.3 Mounting [mm]

Type 2: gasket max. 12 mm

Type 1: gasket 29 mm max.

Type 2

Type 1

“Butterfly” type

brackets

Screw type

bracket

4.3 Electrical connections

Carry out the electrical wiring by connecting only one wire to

each terminal, according to the following diagram, checking

that the power supply is the same as that indicated on the

instrument and that the load current absorption is no higher

than the maximum electricity current permitted.

As the instrument is built-in equipment with permanent con-

nection inside housing, it is not equipped with either switches

or internal devices to protect against current overloads: the

installation will include an overload protection and a two-

phase circuit-breaker, placed as near as possible to the in-

strument and located in a position that can easily be reached

by the user and marked as instrument disconnecting

device which interrupts the power supply to the equipment.

Further recommendations:

–The supply of all the electrical circuits connected to the

instrument must be properly protected using devices (ex.

fuses) proportionate to the circulating currents;

–Use cables with proper insulation, according to the working

voltages and temperatures;

–Make sure that the input sensor cables are kept separate

from line voltage wiring in order to avoid induction of elec-

tromagnetic disturbances;

–If some cables are shielded, the protection shield must be

connected to ground at only one side;

–If the instrument has a 12/24 V power supply (Order Code

a= F/G), it is recommended to use an external TCTR

transformer, or an equivalent transformer with a Class II

Insulation, and to use a transformer for each instrument

because there is no insulation between supply and input.

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 4

m Moreover, before connecting the outputs to the ac-

tuators, check that the parameters set are the desired

ones and the application works correctly in order to

avoid malfunctions in the plant that could cause dam-

age to people, things or animals.

4.3.1 Electrical wiring diagram

Z31V Inputs

Power supply Out1

SPDT

SPST-NO

Out1: 16 A-AC1 (6 A-AC3)/250 VAC; 1 HP 250 VAC, 1/2 HP 125 VAC

Common: 12 A max. for models with removable terminal blocks

Probe

NC CNO

CNO

Internal

Buzzer

5. FUNCTIONS

5.1 Measure and display conﬁguration

Using the parameter i.SE it is possible select the type of

probe is connected to the instrument:

Pt Thermistor PTC KTY81-121,

nt Thermistor NTC 103AT-2.

Instead, with the i.uP parameter it is possible to select the

temperature engineering unit and the desired measure reso-

lution (C0 = °C/1°; C1 = °C/0.1°; F0 = °F/1°; F1 = °F/0.1°).

The instrument allows the measurement calibration, which

can be used to recalibrate the instrument according to appli-

cation needs, the calibration is made by using parameter i.C1.

Using i.Ft parameter it is possible to set a software ﬁlter

for the measuring the input values in order to decrease the

sensibility to rapid temperature changes (increasing the time).

The instrument normally displays the temperature measure-

ment, but it is possible see the maximum and minimum peak

measurement using the

key. Pressing and releasing the

key the display alternately shows the code that identiﬁes

the variable (see below) and its value. The variables are:

Lt Minimum stored temperature;

Ht Maximum stored temperature;

Pr1 Current temperature measured by probe Pr1.

Minimum and maximum peak values are not retained when

the power is removed and can be reset by pressing the

key for 3 s while the peak value is displayed. After 3 sec-

onds the display shows “---” for an instant to indicate the

peak value has been erased and takes as peak temperature

the one measured at that moment.

The variables display mode is automatically abandoned after

about 15 seconds from the last pressure of the key

5.2 Alarm functions

The alarm conditions of the instrument are:

–Probe errors E1 and -E1;

–Temperature alarms Hi and Lo.

The alarm functions act on the LED, the internal buzzer, if

present and conﬁgured by the parameter o.bu and the relay

output if present.

The parameter o.bu allows the conﬁguration of the internal

buzzer as follows:

oF Buzzer disabled

1Buzzer activated only to signal alarms;

2Buzzer activated brieﬂy only to signal the keys pres-

sures (does not signal alarms);

3Buzzer is activated to signal both alarms and key

pressures.

Any active alarm condition is signaled with the LED

switched on while the silent alarm condition is signaled with

the ﬂashing LED.

The buzzer (if any) can be conﬁgured to signal alarms by

programming the parameter o.bu = 1 or 3 and always oper-

ates as a tacit alarm signal. This means that, when activat-

ed, it can be silenced by a short pressure of any key.

The relay output, if present, will be activated when an alarm is

triggered to deactivate when there are no alarms in progress.

5.3 Temperature alarms

The temperature alarm function acts according to the meas-

urement of the probe, the alarm thresholds set at parameters

A.HA (maximum alarm) and A.LA (minimum alarm) and the A.Ad

differential.

By means of some parameters it is also possible to delay

the enabling and the intervention of these alarms. These

parameters are:

A.PA Temperature alarm exclusion time when powering ON

the

instrument if, when switched ON, it is in alarm con-

dition.

If at power ON the instrument is not in alarm

conditions, the A.PA time is not considered;

A.At Temperature alarm delay activation time. The temper-

ature alarm is enabled at the end of exclusion time and

is triggered after the A.At time, when the temperature

measured by the probe rises above or falls below the

respective maximum and minimum alarm thresholds.

A.LA

A.HA

Temp.

A.Ad

time

offoff off

ON ON

Hi Lo

Maximum and minimum temperature alarms can be disabled

by setting their relevant parameters A.HA and A.LA = oF.

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 5

6. ACCESSORIES

The instrument is equipped with a 5-pole connector that con-

nects the following accessories.

6.1 Parameters conﬁguration by “A01”

The A01 device connects to the 5-pole connector of the

instrument and allows the transfer of operating parameters

to and from the instrument.

This device it is mainly usable for the serial programming of

some instruments which need to have the same parameters

conﬁguration or to keep a copy of the parameters setting of an

instrument and allow its rapid retransmission.

The same device allows to connect a PC via USB with which,

through the appropriate conﬁguration software for “AT Univer-

salConf tools”, the operating parameters can be conﬁgured.

To use the A01 device, the A01 or the instrument must be cor-

rectly supplied.

AC supply

Supply adapter

12 VDC

Power

supply

Enter

PWS

12 V

A B C TTL

USB

to PC

USB

Enter

PWS

12 V

A B C TTL

USB

to PC

USB

For additional info, please have a look at the A01 instruction

manual.

7. PROGRAMMABLE PARAMETERS TABLE

Here below is a description of all the parameters available

on the instrument. Some of them may not be present, either

due to the fact they depend on the type of instrument or be-

cause they are automatically disabled as unnecessary.

i. - Measuring inputs parameters

Parameter Description Range Default Note

1 i.se Probe type Pt PTC thermistor

nt NTC thermistor nt

2 i.uP Unit of measurement and

resolution (decimal point)

C0 °C, resolution 1°

F0 °F, resolution 1°

C1 °C, resolution 0.1°

F1 °F, resolution 0.1°

3 i.Ft Measurement filter oF

0.1 ÷ 20.0 s 2.0

4 i.C1 Probe Calibration -30.0 ÷ 30.0°C/°F 0.0

A - Alarm parameters

Parameter Description Range Default Note

5 A.HA High temperature Alarm

threshold

oF Disabled;

-99.9 ÷ +999°C/°F. oF

6 A.LA Low temperature Alarm

threshold

oF Disabled;

-99.9 ÷ +999°C/°F oF

7 A.Ad Temperature Alarms

Differential 0.0 ÷ 30.0°C/°F 1.0

8 A.At Temperature Alarms

Delay

oF Disabled;

0.01 ÷ 9.59 (min.s ) ÷ 99.5 (min.s x 10). oF

9 A.PA Temperature Alarms

delay at power ON

oF Disabled;

0.01 ÷ 9.59 (h.min) ÷ 99.5 (h.min x 10). oF

or. -Buzzer conﬁguration parameter

Par. Description Range Def. Note

10 o.bu Buzzer operation

oF Disabled;

1Sounds for alarms only;

2Sounds for key pressure only

3Sounds for alarms and key pressures.

t. - Keyboard conﬁguration parameter

Par. Description Range Def. Note

11 t.Lo Keyboard lock function delay oF Disabled;

0.01 ÷ 9.59 (min.s) ÷ 30.0 (min.s x 10).

12 t.PP Password to Access

Parameter functions

oF Disabled;

001 ÷ 999. oF

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 6

8. PROBLEMS AND MAINTENANCE

8.1 Notiﬁcations

8.1.1 Error messages

Error Reason Action

E1 -E1

The probe may be interrupt-

ed (E) or in short circuit (-E)

or measures a value outside

the allowed range

Check the probe connec-

tion with the instrument

and check that the probe

works correctly

epr Internal EEPROM memory

error Press key

8.1.2 Other messages

Message Reason

Ln Keyboard locked

Hi Maximum temperature alarm in progress

Lo Minimum temperature alarm in progress

8.2 Cleaning

We recommend cleaning of the instrument only with a slightly

wet cloth using water and not abrasive cleaners or solvents.

8.3 Disposal

The appliance (or the product) must be disposed of

separately in compliance with the local standards in

force on waste disposal.

9. WARRANTY AND REPAIRS

The instrument is under warranty against manufacturing ﬂaws

or faulty material, that are found within 18 months from deliv-

ery date. The warranty is limited to repairs or to the replace-

ment of the instrument.

The eventual opening of the housing, the violation of the instru-

ment or the improper use and installation of the product will

bring about the immediate withdrawal of the warranty effects.

In the event of a faulty instrument, either within the period

of warranty, or further to its expiry, please contact our sales

department to obtain authorisation for sending the instrument

to our company.

The faulty product must be shipped to Ascon Tecnologic with

a detailed description of the faults found, without any fees or

charge for Ascon Tecnologic, except in the event of alternative

agreements.

10. TECHNICAL DATA

10.1 Electrical characteristics

Power supply: 12 VAC/VDC, 12 ÷ 24 VAC/VDC,

100 ÷ 240 VAC ±10%;

AC frequency: 50/60 Hz;

Power consumption: About 4 VA;

Inputs: 1 input for temperature probes:

NTC (103AT-2, 10 kW@ 25°C) or;

PTC (KTY 81-121, 990 Ω@ 25°C);

Output: 1 relay output SPDT or SPST-NO

(16A-AC1, 6A-AC3 250 VAC, 1 HP 250 VAC, 1/2HP 125 VAC);

12 A max. for the common pole of removable terminal block

model.

Relay output electrical life: SPST-NO: 100000 operations,

SPDT: 50000 operations (VDE omologation);

Action type: Type 1.B (EN 60730-1);

Overvoltage category: II;

Protection class: Class II;

Insulation: Reinforced between low voltage parts (H type

power supply and relay outputs) and front, Reinforced

between low voltage parts (H type power supply and relay

outputs) and very low voltage parts (inputs); Reinforced

between power supply and relay outputs; No insulation

between type F or G power supply and inputs.

10.2 Mechanical characteristics

Housing: Self-extinguishing plastic, UL 94 V0;

Heat and ﬁre resistance category: D;

Ball Pressure Test as described in EN60730: accessible

parts 75°C; support live parts 125°C;

Dimensions: 78 x 35 mm, depth 64 mm;

Weight: about 120 g;

Mounting: Incorporated ﬂush in panel in a 71 x 29 mm hole

(max. panel thickness 12 mm);

Connections: Fixed or removable screws terminal block for

2.5 mm2cables;

Protection degree: IP65 (NEMA 3S) mounted with screw

type bracket;

Pollution degree: 2;

Operating temperature: 0 ÷ 50°C;

Operating humidity: < 95 RH% with no condensation;

Storage temperature: -25 ÷ +60°C.

10.3 Functional features

Measurement range:

NTC: -50 ÷ +109°C/-58 ÷ +228°F,

PTC: -50 ÷ 150 °C/-58 ÷ 302 °F

;

Display resolution: 1° or 0.1° (range -99.9 ÷ +99.9°);

Overall accuracy: ±(0.5% fs + 1 digit);

Sampling rate: 130 ms;

Display: 3 digits red or blue (optional), height 15.5 mm;

Software class and structure: Class A;

Compliance:

Directive 2004/108/CE (EN55022: class B; EN61000-4-2:

8kV air, 4kV cont.; EN61000-4-3: 10V/m; EN61000-4-4: sup-

ply, inputs, outputs; EN61000-4-5: supply 2kV com. mode, 1

kV\diff. mode; EN61000-4-6: 3V),

Directive 2006/95/CE (EN 60730-1, EN 60730-2-7,

EN 60730-2-9).

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 7

11. HOW TO ORDER

Model

Z31V = Instrument with mechanical keys

Z31VS = Instrument with Sensitive Touch

a: Power supply

H = 100 ÷ 240 VAC

G = 12 ÷ 24 VAC/DC

F = 12 VAC/DC

b: Output (Out)

R = Out Relay SPST-NA 16A-AC1 (resistive load)

S = Out Relay SPDT 16A-AC1 (resistive load)

d: Terminal block

- = Screw terminals (standard)

E = Removable screw terminal block (complete)

N = Removable screw terminal block

(the fixed part only)

e: Display

- = Red

B = Blue

c: Buzzer

- = Not present

B = With Buzzer

cab de fgh

f, h: Reserved codes;

ii, jj: Special codes.

ii jj

g: Packaging + Bracket type

- = AT package + Butterfly brackets (std.)

V= AT package + Screw type bracket

Ascon Tecnologic - Z31V - OPERATING INSTRUCTIONS - PAG. 8

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