Prosense SCU-2501 User manual

~ WARNING ~

This device is designed for connection to hazardous electric voltages. Ignoring this warning can result

in severe personal injury or mechanical damage. To avoid the risk of electric shock and ﬁre, the safety

instructions of this guide must be observed and the guidelines followed. The speciﬁcations must not be

exceeded, and the device must only be applied as described in the following. Prior to the commissioning

of the device, this installation guide must be examined carefully. Only qualiﬁed personnel (technicians)

should install this device. If the equipment is used in a manner not speciﬁed by the manufacturer, the

protection provided by the equipment may be impaired.

Until the device is mounted, do not connect hazardous voltages to the device. The following operations

should only be carried out on a disconnected device and under ESD safe conditions: General mounting,

connection and disconnection of wires.

Do not open the front plate of the device as this will cause damage to the connector for the

display / programming front SCU-PDM2. This device contains no DIP-switches or jumpers. Units must

be mounted on a DIN rail according to DIN 60715

SAFETY INSTRUCTIONS

Receipt and unpacking

Unpack the device without damaging it. The packing should always follow the device until it has been perma-

nently mounted. Check at the receipt of the device to ensure the type corresponds to the one ordered.

Environment

Avoid direct sunlight, dust, high temperatures, mechanical vibrations and shock, as well as rain and heavy

moisture. If necessary, heating in excess of the stated limits for ambient temperatures should be avoided by

way of ventilation. All devices can be used for Measurement / Overvoltage Category II and Pollution Degree

2. The module is designed to operate safely at an altitude of 2000m or less.

Mounting

Mounting and connection of the device should comply with national legislation for mounting of electric

materials, i.e. wire cross section, protective fuse, and location. Descriptions of input / output and supply

connections are shown in this installation guide and on the side label. The following apply to hazardous

voltage-connected devices:

The max. protective fuse is 10A. A power switch shall be easily accessible and close to the device. The power

switch shall be marked as the disconnecting unit for the device.

UL installation requirements

Use 60/75°C copper conductors only.

For use only in pollution degree 2 or better.

Max. ambient temperature ................................................. 60°C (140°F)

Wire size ............................................................................ AWG 26-14

UL ﬁle number, SCU-2501, SCU-2502 & SCU-2503....... E197592

The device is an Open Type Listed Process Control Equipment. To prevent injury resulting from accessibility

to live parts the equipment must be installed in an enclosure.

Calibration and adjustment

During calibration and adjustment, the measuring and connection of external voltages must be carried out

according to the speciﬁcations of this installation guide. The technician must use tools and instruments that

are safe to use.

Cleaning

When disconnected, the device may be cleaned with a cloth moistened with distilled water.

Technical Speciﬁcations

3505 HUTCHINSON ROAD

CUMMING, GA 30040-5860

Quick Start Guide

Quick Start Guid

eQuick Start Guide

Quick Start Guid

Universal Signal Conditioners

ProSense Universal Transmitter Signal Conditioner models SCU-2501,

SCU-2502 and SCU-2503 are single input devices that accept PNP, NPN,

TTL, NAMUR, and custom special trigger current or voltage level frequency.

The SCU-2501 and SCU-2502 models support relay output with the

SCU-2502 having two independently triggered relay outputs. The SCU-2501

and SCU-2503 provide a mA (sourcing or sinking) or voltage output. The

SCU-2503 is the only unit with a frequency output allowing for frequency/

frequency conversion. They feature a plastic slim-line housing, integral 35mm

DIN rail mounting adapter, and removable screw terminals. The detachable

SCU-PDM2 programming / display module (purchased separately) is required

for unit conﬁguration. The programming / display module may remain afﬁxed

for operational display of input and output values.

Models:

SCU-2501 - Universal Frequency Transmitter with Analog and

Relay Outputs

SCU-2502 - Universal Frequency Transmitter with (2) Relay

Outputs

SCU-2503 - Universal Frequency Transmitter with Analog and

Frequency Outputs

Operating temperature .............................. -20°C to +60°C (-4°F to 140°F)

Storage temperature .................................. -20°C to +85°C (-4°F to 185°F)

Supply voltage............................................ 21.6...253 VAC or 19.2...300 VDC

Max. required power:

SCU-2501/2/3.................................................. ≤2.6 W

Max. power dissipation:

SCU-2501/2/3.................................................. ≤2.1 W

Fuse ........................................................... 400mA SB / 250VAC

Isolation voltage, test / operation................ 2.3 kVAC / 250VAC

(reinforced isolation)

EMC immunity inﬂuence........................... < ±0.5% of span

Extended EMC immunity:

NAMUR NE 21, A criterion, burst.......... < ±1% of span

Relative humidity........................................ < 95% RH (non-cond.)

Dimensions (HxWxD) ............................... 109 x 23.5 x 104 mm

Dimensions (HxWxD) w/ SCU-PDM2...... 109 x 23.5 x 116 mm

Protection degree ........................................ IP20

Approvals

UL, Standard for Safety .............................. UL 508/C22.2 No. 14

Observed authority requirements:

EMC ........................................................... 2014/30/EU

LVD ............................................................ 2014/35/EU

RoHS 2........................................................ 2011/65/EU

Model SCU-2501 SCU-2502 SCU-2503

Input

Frequency

input

Frequency Range 0.001 Hz to 100 kHz

Time range, time function 10 µs to 999.9 s

Max. frequency, with input ﬁlter ON 75Hz

Min. pulse width with input ﬁlter ON 8ms

Min. pulse width with input ﬁlter OFF 4µs

Response time (0...90%, 100...10%) < 30ms

NAMUR input

Trig-level LOW ≤1.2 mA

Trig-level HIGH ≥2.1 mA

Input impedance 1 kΩ|| < 220pF

Breakage detection ≤0.1 mA

Short-circuit detection ≥6.9 mA

Sensor supply - pin 44, ﬁxed 8.3 V

Tacho input

Trig-level LOW ≤-50 mV

Trig-level HIGH ≥+50 mV

Input impedance 100 kΩ|| < 220 pF

Max. input voltage 80VAC pp

Sensor supply - pin 44,

programmable 5...17 V / 23mA

NPN / PNP

input

Trig-level LOW ≤4.0 V

Trig-level HIGH ≥7.0 V

Input impedance 3.48 kΩ|| < 220 pF

Trigger edge NPN = Neg. edge, PNP = Pos. edge.

Sensor supply - pin 44,

programmable 5...17 V / 23mA

TTL input

Trig-level LOW ≤0.8 V

Trig-level HIGH ≥2.0 V

Input impedance ≥100 kΩ|| < 220 pF

Sensor supply - pin 44,

programmable 5...17 V / 23mA

S0 input

Trig-level LOW ≤2.2 mA

Trig-level HIGH ≥9.0 mA

Input impedance 758 Ω|| < 220 pF

Sensor supply - pin 44, ﬁxed. 17V

Special

voltage input

User-programmable trig-levels -0.05...6.50 V

*Hysteresis, min 50 mV

Input impedance, programmable: High Z: ≥100 kΩ|| < 220 pF

Pull up/down; 3.48 kΩ|| < 220 pF

Programmable sensor supply - pin 44 5...17 V / 23 mA

Max. input voltage 17V

Special

current input

User-programmable trig-levels. 0.0...10.0 mA

*Hysteresis, min 0.2 mA

Input impedance 1 kΩ|| < 220 pF

Sensor supply - pin 44,

programmable 5...17 V / 23 mA

Max. input current 17mA

Model SCU-2501 SCU-2502 SCU-2503

Output

Current output 0...20, 4...20, S4-20,

±10 mA, ±20 mA ---------- 0...20, 4...20, S4-20,

±10 mA, ±20 mA

Load (max.), current output ≤600 Ω---------- ≤600 Ω

Current limit ≤28 mA ---------- ≤28 mA

Voltage output 0…5, 1…5, 0...10,

2…10, ±5, ±10 VDC ---------- 0…5, 1…5, 0...10,

2…10, ±5, ±10 VDC

Load (min.), voltage output ≥2 kΩ---------- ≥2 kΩ

Relay output SPST, AC: 250 VAC/

VDC, 2A, 500VA

2 x SPST, AC: 250

VAC/VDC, 2A, 500VA ----------

Frequency output ---------- ---------- 0.001 Hz...100kHz

PNP output ---------- ---------- 24VDC at 30mA

max

NPN output ---------- ---------- 30VDC at 130mA

max

Push-Pull output ---------- ---------- 5...24VDC

* For low signal levels with input trigger level hysteresis below 100 mV / 0.1 mA it is

recommended to use shielded cables with correct grounding, to avoid false triggering due to

induced EMC.

Side Label

Note: Additional speciﬁcations available at www.AutomationDirect.com

Installation:

This installation guide for technical personnel covers the following products:

SCU-2501 SCU-2502 SCU-2503

SCU-PDM2

Mounting SCU-PDM2:

1. Insert the tabs of the SCU-PDM2 into the holes at the top of the device.

2. Swing the SCU-PDM2 down until it snaps into place.

Removing the SCU-PDM2:

3. Push the release button on the bottom of the SCU-PDM2 and swing out and up.

4. With the SCU-PDM2 hinged up, remove it from the holes at the top of the device.

Mounting on DIN rail:

Place top notch of module onto DIN rail and then press lower portion onto DIN rail

until it snaps in place.

Removing from DIN rail:

Remember to remove the connectors with hazardous voltages. Detach the device from

DIN rail by lifting the bottom lock.

Wiring:

Max. wire size 1 x 2.5 mm2stranded wire. Screw terminal torque 0.5 Nm.

Error Messages and Troubleshooting

Scrolling Error Message Indication Text Condition Action

Process and application errors

Input error IN.ER - ﬂashing display Input out of conﬁgured input limits Check input signal value and conﬁgured

input limits

Input underrange IN.LO Input below low cut-off Check input signal source

Input overrange IN.HI Input above valid measurement range Check input signal source

Display out of range -1999 or 9999 Display saturation Check conﬁguration and input values

Analog output error AO.ER Error in analog output current (S4-20 mA

output only)

Check wiring of analog output and recycle

power *

Sensor supply overloaded SE.OL Sensor supply overload condition

detected Check sensor supply speciﬁcations

Sensor short circuit SE.SH Sensor short circuit condition Check sensor for short circuit

Sensor wire break SE.BR Sensor open loop / broken wire

condition Check sensor for open loop / broken wire

Device errors

No communication between device and the

SCU-PDM2 communication interface NO.CO No communication (SCU-PDM2 <->

device)

Reattach the SCU-PDM2 communication

interface to the product. If attached,

disconnect and reattach

Conﬁguration error CO.ER Invalid conﬁguration downloaded to

module

Step through menu to create valid

conﬁguration **

Invalid conﬁguration type or version TY.ER Conﬁguration read from the SCU-PDM2

has invalid type or rev. no.

Save correct device type and revision

conﬁguration to the SCU-PDM2

communication interface **

Analog output supply error AO.SU Analog output supply error Verify output conﬁguration and output

connection *

RAM error RA.ER Internal RAM error Contact AutomationDirect *

A/D converter error AD.ER Internal A/D converter error Contact AutomationDirect *

Internal ﬂash error IF.ER Internal ﬂash error Contact AutomationDirect *

Frequency input error FI.ER Internal frequency circuit error Contact AutomationDirect *

EEPROM Error EE.ER Internal EEPROM error Contact AutomationDirect *

Storing of conﬁguration failed - previous

conﬁguration used CO. WARN Writing conﬁguration to internal device

memory failed.

Device conﬁguration reverts to last known

valid conﬁguration. Cycle through menu

to retry writing new conﬁguration.

! All error indications in the display ﬂash once per second. The help text explains the error. If the error is an input loop

error, the display backlight ﬂashes as well - this is acknowledged (stopped) by pushing the 3 button.

* Error is acknowledged by either stepping through the basic setup, or by resetting the device power. Some types of

errors can only be acknowledged by resetting the device power.

** Error is acknowledged by stepping through the basic setup.

Conﬁguring a new unit

• Mount the unit on a 35mm DIN rail and connect supply, input and output wires to the appropriate

terminals based on the connection diagrams in this Quick Start Guide.

• Snap the SCU-PDM2 Programming Module on the front of the unit.

• Power up the unit.

• The unit should display the conﬁguration menu similar to the ﬁgure below. If not, press ;once.

• Press ;to begin conﬁguration. Press .or ,to scroll through options on each step. Press ;

to conﬁrm an option and move to the next step.

• Press and hold ;to step backwards through the conﬁguration menu.

Note: If no sensor is connected to the input terminals, SE.BR will ﬂash in the

display when the unit is powered up. Press ;once to acknowledge the

error and then press ;again to display the ﬁrst screen of the menu as

shown above.

Notes

41 42 43 44

31 32 33 34

41 4342 44



41 42 44

43 41 4342 44

41 4342 44

41 4342 44 41 42 44

43 41 4342 44

Inputs:

Supply

Special current Special voltage Tacho

PNP NPN Contact (NPN)

S0 TTLNAMUR

S0 TTL

+ supply 5...17 V+ supply 5...17 V

+ supply+supply

+ supply 8.3 V+supply 17 V

Wiring Diagrams

SCU-2501

21 2322 2421 2322 24

-V

(±)

21 22 23 24

-mA

(±)

21 2322 24

+mA

SCU-2502

21 2322 24

R1 R2

21 2322 2421 2322 24

-V

(±)

21 22 23 24

-mA

(±)

21 2322 24

SCU-2503

21 22 23 24 21 2322 24

Relays

Outputs:

Relay

2-wire transmitter

(Passive output)

Current

(Active output)

2-wire transmitter

(Passive output)

Frequency

(Push / pull)

Current

(Active output)

Frequency

(NPN output)

Frequency

(PNP output)

Rload

Application Example - Frequency Input to

Relay Output (SCU-2502)

A ﬂow sensor with 12VDC NPN output needs to be connected to two LEDs as a

low and high ﬂow alarm indication in a panel. The sensor measures ﬂuid ﬂow in

0.1 gallons per pulse. When using the SCU-2502, low and high alarms will be set at

5GPM and 55GPM respectively with a 3GPM hysteresis and 5 second on delay set for

each alarm. In the event of a sensor error, both relays will hold in their current state

when the error occured. Relay switching will work as follows:

058 52 55 60GPM

Relay 1 (Low flow LED) Relay 2 (High flow LED)

• In the conﬁguration menu press .or ,until NPN is displayed IN.TYPE. Press

• Set sensor supply voltage. Press .or ,until 12.0 is displayed for S.SUP. Press ;.

• Select input units. Press .or ,until Hz is displayed for IN.

Press ;.

• Select input low value. Press .or ,until 0is displayed for IN.LO. Press ;.

• Select high value. Press .or ,until 10 is displayed for IN.HI. Press ;.

• Select input ﬁlter to off. Press .or ,until NO is displayed for FILTER. Press

• Select scaled units. Press .or ,until GAL/MIN is displayed for UNIT. Press ;.

• Select decimal point location. Press .or ,until 111.1 is displayed for DEC.P. Press

• Set display value for minimum input. Press .or ,until 0.0 is displayed for DISP.

LO. Press ;.

• Set display value for maximum input. Press .or ,until 60.0 is displayed for

DISP.HI. Press ;.

• Set display response time. Press .or ,until 0is displayed for DISP.RP. Press ;.

Relay Conﬁguration

• Select the relay unit type. Press .or ,until DISP is displayed for REL.UNI. Press ;.

• Select relay 1 function. Press .or ,until SETP is displayed for R1.FUNC. Press ;.

• Select relay contact type. Press .or ,until N.O. is displayed for R1.CONT. Press ;.

• Set relay setpoint. Press .or ,until 5.0 is displayed for R1.SETP.

Press ;.

• Select relay activation decreasing mode. Press .or ,until DECR is displayed for ACT.DIR. Press

• Set relay hysteresis. Press .or ,until 3.0 is displayed for R1.HYST.

Press ;.

• Set relay on delay in seconds. Press .or ,until 5is displayed for ON.DEL. Press ;.

• Set relay off delay in seconds. Press .or ,until 0is displayed for OFF.DEL. Press ;.

• Select relay 2 function. Press .or ,until SETP is displayed for R2.FUNC. Press ;.

• Select contact type. Press .or ,until N.O. is displayed for R2.CONT.

Press ;.

• Set relay setpoint. Press .or ,until 55 is displayed for R2.SETP.

Press ;.

• Select relay activation increasing mode. Press .or ,until INCR is displayed for ACT.DIR. Press ;.

• Set relay hysteresis. Press .or ,until 3.0 is displayed for R2.HYST.

Press ;.

• Set relay on delay in seconds. Press .or ,until 5is displayed for ON.DEL. Press ;.

• Set relay off delay in seconds. Press .or ,until 0is displayed for OFF.DEL. Press ;.

• Set input limit low to off. Press .or ,until NO is displayed for ILIM.L. Press

• Set input limit high to off. Press .or ,until NO is displayed for ILIM.H. Press

• Set power on delay time. Press .or ,until 0is displayed for POW.DEL. Press

• Wait while the settings are stored and the unit switches to run mode.

Once the unit has been conﬁgured, the relay setpoints can be adjusted very quickly. Press

.to adjust RELAY1 and ,to adjust RELAY2. Adjust the setpoint up or down and

then press ;to save the setting and exit the menu. Pressing .and ,simultane-

ously will change the active relay’s state.

Application Example - Convert a PNP 24V Pulsed Signal to

Analog 0-10VDC (SCU-2501)

A 24VDC pulsed signal from a senor is converted to a linear 0-10VDC analog

output.

• In the conﬁguration menu press .or ,until PNP is displayed IN.TYPE.

Press ;.

• Select sensor supply voltage. Press .or ,until 10.0 is displayed for S.SUP.

Press ;.

• Select input units. Press .or ,until Hz is displayed for IN. Press ;.

• Set input low value. Press .or ,until 0is displayed for IN.LO. Press ;.

A 24VDC pulsed signal from a senor is converted to a linear 0-10VDC analog

output.

• In the conﬁguration menu press .or ,until PNP is displayed IN.TYPE.

Press ;.

• Select sensor supply voltage. Press .or ,until 10.0 is displayed for S.SUP.

Press ;.

• Select input units. Press .or ,until Hz is displayed for IN. Press ;.

• Set input low value. Press .or ,until 0is displayed for IN.LO. Press ;.

• Set input high value. Press .or ,until 25.00 kHz is displayed for IN.HI.

Press ;.

• Set scaled units. Press .or ,until %is displayed for UNIT. Press ;.

• Select decimal point location. Press .or ,until 111.1 is displayed for DEC.P.

Press ;.

• Set display value for minimum input. Press .or ,until 0.0 is displayed for

DISP.LO. Press ;.

• Set display value for maximum input. Press .or ,until 100.0 is displayed

for DISP.HI. Press ;.

• Set display response time. Press .or ,until 0is displayed for DISP.RP. Press

• Set output type. Press .or ,until VOLT is displayed for OUT.TY. Press ;.

• Set output voltage range. Press .or ,until 0-10 is displayed for O.RANGE.

Press ;.

• Set relay units. Press .or ,until DISP is displayed for REL.UNI. Press ;.

• Set relay to off. Press .or ,until OFF is displayed for R1.FUNC. Press ;.

• Set input limit low to off. Press .or ,until NO is displayed for ILIM.L. Press

• Set input limit high to off. Press .or ,until NO is displayed for ILIM.H.

Press ;.

• Set output response time. Press .or ,until 0.0 is displayed for OUT.RSP.

Press ;.

• Set power on delay time. Press .or ,until 0is displayed for POW.DEL. Press

• Wait while the settings are stored and the unit switches to run mode.

Application Example - Convert a TTL Frequency Input to

a PNP Output and Scaling the Frequency

A TTL output sensor, connected to a SCU-2503, delivers a 5VDC frequency

output scaled up from 0-1kHz to 0-100kHz.

• Set sensor supply voltage. Press .or ,until 5.0 is displayed for S.SUP. Press

• Select input units. Press .or ,until Hz is displayed for IN. Press ;.

• Set input low value. Press .or ,until 0is displayed for IN.LO. Press ;.

• Set input high value. Press .or ,until 1.000 is displayed for IN.HI. Press

• Set scaled units. Press .or ,until kHz is displayed for UNIT. Press ;.

• Select decimal point location. Press .or ,until 111.1 is displayed for DEC.P.

Press ;.

• Set display value for minimum input. Press .or ,until 0.0 is displayed for

DISP.LO. Press ;.

• Set display value for maximum input. Press .or ,until 100.0 is displayed

for DISP.HI. Press ;.

• Set display response time. Press .or ,until 0is displayed for DISP.RP.

Press ;.

• Set output type. Press .or ,until FREQ is displayed for OUT.TY. Press

• Set output voltage range. Press .or ,until Hz is displayed for OU.UN. Press

• Set output low frequency. Press .or ,until 0is displayed for OUT.LO. Press

• Set output low cut off frequency. Press .or ,until 0is displayed for

LO.CUT. Press ;.

• Set output contact type. Press .or ,until 0is displayed for CONT.TY. Press

• Set input limit low to off. Press .or ,until NO is displayed for ILIM.L.

Press ;.

• Set input limit high to off. Press .or ,until NO is displayed for ILIM.H.

Press ;.

• Set output response time. Press .or ,until 0.0 is displayed for OUT.RSP.

Press ;.

• Set power on delay time. Press .or ,until 0is displayed for POW.DEL.

Press ;.

• Wait while the settings are stored and the unit switches to run mode.

Reserved Worldwide

Several useful functions are in the Advanced Settings Menu. To get to the

Advanced Settings Menu, Press .or ,until YES is displayed for the ﬁrst

screen of the conﬁguration menu that looks like this:

The conﬁguration of the SCU-250x can be saved into the SCU-PDM2. The

SCU-PDM2 can then be moved to another unit (must be the same part number)

and the conﬁguration loaded into the new unit.

• Enter Advanced Settings menu and then press .or ,until MEM is

displayed for SETUP. Press ;.

• To save the conﬁguration into the SCU-PDM2. Press .or ,until SAVE is

displayed for MEMORY. Press ;.

• To load the conﬁguration from the SCU-PDM2 into the SCU250x. Press .or

,until LOAD is displayed for MEMORY. Press ;.

Password Protection allows the user to create a 4-digit password

(0000-9999) to prevent tampering with conﬁguration settings if the

SCU-PDM2 is left mounted to the front of the signal conditioner.

• Enter Advanced Settings menu and then press .or ,until PASS is

displayed for SETUP. Press ;.

• To enable password protection. Press .or ,until YES is displayed for

EN.PASS. Press ;.

• To set a password. Press .or ,until the desired code is displayed for NEW.

PAS. Press ;.

Advanced Operations

Notes

Additional Help and Support

• For product support, speciﬁcations, installation and

troubleshooting, a Hardware User Manual can be downloaded from the On-line Documentation area of the

AutomationDirect web site.

• For additional technical support and questions, call out

Technical Support team @ 1-800-633-0405 or 770-844-4200

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