Honeywell HA20 User manual

HA20 2-Channel Controller

Technical Manual

A3/Fault

Channel 1

A3/Fault

Magnetic

Keypad

(Keypad buttons

behind door)

HA20 Display & Alarm Controller

Two Channel

Edit Alarm

Reset

219995

Classified to CSA C22.2 NO. 152 for combustibles

detection. Class I, DIV.2, Groups A,B,C,D

READ & UNDERSTAND MANUAL!

S/N 90-

or 10-30 VDC @ 3 WATTS

Power = 100-240 V~, 50/60 Hz, .45 A

Channel 2

Cal

HA20 2-Channel Controller

HA20 Technical Manual i

Safety

WARNING

Read and understand contents of this manual prior to operation.

Failure to do so could result in serious injury or death.

IMPORTANT SAFETY

The following terms and symbols are used in this manual to alert the

operator of important instrument operating issues:

This symbol is intended to alert the user to the presence

of important operating and maintenance (servicing)

instructions.

This symbol is intended to alert the user to the presence of

dangerous voltage within the instrument enclosure that may be

of sufﬁcient magnitude to constitute a risk of electric shock.

This symbol signiﬁes the system’s ground terminal

DC refers to direct current voltages.

VAC refers to alternating voltages.

WARNINGS

• Shock Hazard - Disconnect or turn off power before servicing

this instrument.

• NEMA 4X wall mount models should be tted with a locking

mechanism after installation to prevent access to high voltages

by unauthorized personnel (see Figure 4-1).

• Only the combustible monitor portions of this instrument have been

assessed by CSA for 122.2 No. 152 performance requirements (for

combustibles using mA input.

• This equipment is suitable for use in Class I, Division 2, Groups

A,B,C and D or non-hazardous locations only.

• EXPLOSION HAZARD- SUBSTITUTION OF COMPONENTS MAY

IMPAIR SUITABILITY FOR CLASS I, DIVISION 2.

• EXPLOSION HAZARD- DO NOT REPLACE FUSE UNLESS POWER

HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-

HAZARDOUS.

• EXPLOSION HAZARD- DO NOT DISCONNECT EQUIPMENT UNLESS

POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO

BE NON-HAZARDOUS.

CAUTIONS

• Use a properly rated CERTIFIED AC power (mains) cable

installed as per local or national codes.

• For DC powered units, DC power must be from a SELV rated

source.

• A certied AC power (mains) disconnect or circuit breaker

should be mounted near the controller and installed according

applicable local and national codes. If a switch is used instead

of a circuit breaker, a properly rated CERTIFIED fuse or current

limiter is required to be installed as per local or national

codes. Markings for positions of the switch or breaker should

state (I) for on and (O) for off.

• Clean using only a damp cloth with no solvents.

• Equipment not used as prescribed within this manual may

impair overall safety

HA20 2-Channel Controller

HA20 Technical Manual ii

Table of Contents

Safety ��i

1 General Description

1 General Description ��1-2

1�1 Data Display Screens ��1-3

1.1.1 Main Data Screen .............................................................................................................................................1-3

1.1.2 Trend Screen .....................................................................................................................................................1-3

1.1.3 Blind Mode Screen ............................................................................................................................................1-3

1�3 Specifications ��1-3

1.3.1 Power Supply Requirements .............................................................................................................................1-3

Warning ..............................................................................................................................................................1-4

1.3.2 Relays ...............................................................................................................................................................1-4

1.3.3 Ambient Temperature Range ...........................................................................................................................1-4

1.3.4 Humidity Range ................................................................................................................................................1-4

1.3.5 Altitude ..............................................................................................................................................................1-4

1.3.6 Housings / Installation Categories ....................................................................................................................1-5

1.3.7 Approvals ..........................................................................................................................................................1-5

2 Operation

2 Operation ��2-2

2�1 Setup Menu Configuration ��2-2

2�2 Changing Menu Variables Using The Keypad ��2-3

2.2.1 Setup Configuration Menus ..............................................................................................................................2-3

2.2.2 Channel Setup Entry Menu ...............................................................................................................................2-3

2.2.3 Alarm 1 / Alarm 2 / Alarm 3 Set-Up Menus .......................................................................................................2-3

2.2.4 Using the Configure Menu to Define Channel ..................................................................................................2-4

Name / Eunits ASCII Data Fields .........................................................................................................................2-4

HA20 2-Channel Controller

HA20 Technical Manual iii

Input Measurement Range...................................................................................................................................2-5

Decimal Point Resolution .....................................................................................................................................2-5

Turning Off Unused Channels ..............................................................................................................................2-5

2.2.5 CAL Setup Menu .........................................................................................................................................2-5

2.2.6 Calibrate Input Menu .........................................................................................................................................2-6

2�3 System Configuration Menus ��2-7

2.3.1 Relay 1 / Relay 2 Menus ...................................................................................................................................2-7

2.3.2 Horn / Piezo Menu ............................................................................................................................................2-8

2.3.3 Comm Port Menu ..............................................................................................................................................2-8

2.3.4 Clock / Delays Menu .........................................................................................................................................2-9

2.3.5 Diagnostics Menu .............................................................................................................................................2-9

2�4 System Security Menu��2-10

3 Motherboard Interface PCB

3 Motherboard Interface PCB ��3-2

3�1 Input / Output Optional PCB’s ��3-3

3.1.1 Optional Analog Input PCB ...............................................................................................................................3-3

3.1.2 Optional Discrete Relay PCB’s..........................................................................................................................3-4

3.1.3 Optional 4-20mA Analog Output Board ............................................................................................................3-5

3�2 Modbus RS-232 / RS-485 Interface Option ��3-6

3.2.1 Modbus Register And Function Code Summary ...............................................................................................3-7

4 Enclosures

4 Enclosures ��4-2

4�1 HA20PCS/HA20SS NEMA Steel Enclosures ��4-2

4�2 HA20PY NEMA Polycarbonate Enclosure ��4-2

4�3 HA20XP NEMA 7 Explosion-Proof Wall Mount Enclosure��4-3

5 Parts List

5 Parts List ��5-2

6 Specifications

HA20 2-Channel Controller

HA20 Technical Manual iv

5 Specifications ��6-2

7 Warranty

Honeywell Analytics Warranty Statement ��7-2

HA20 2-Channel Controller

HA20 Technical Manual v

HA20 2-Channel Controller

HA20 Technical Manual 1-1

1 General Description

HA20 2-Channel Controller

HA20 Technical Manual 1-2

1 General Description

The Honeywell Analytics HA20 2-Channel Controller is designed to

display, and control alarm event switching for two inputs. Inputs are

typically voltage or 4-20mA current from transmitters, monitors or

other analog output devices. The HA20 is equipped with a Fault and

three alarm levels per channel with features such as ON / OFF delays,

latching relays and alarm Acknowledge. A dedicated horn driver circuit

for a local audible annunciator is also standard. Two standard 5-amp

alarm relays are conﬁgurable via the “alarm voting” menu to make

relays trip based on various alarm combinations. A real-Time Clock

and Calendar are also standard. Options such as 4-20mA outputs,

discrete relays for each alarm and audible annunciators are easily

added. RS-485 (Modbus RTU) ports are also available for sending

data to PC’s, PLC’s, DCS’s, or other Honeywell Analytics controllers.

A 128 x 64 pixel graphic LCD readout displays monitored data as bar

graphs, 30-minute trends and engineering units. System conﬁguration

is via user friendly menus and all conﬁguration data is retained in non-

volatile memory during power interruptions. The HA20 front panel

shown in Figure 1-1 displays the bar graph data screen. The ﬁve

button symbols below the display are magnetically activated using the

magnetic wand (supplied) without opening the enclosure. Opening

the enclosure door provides access to the “touch” keypad as shown

in Figure 1-2.

A3/Fault

Channel 1

A3/Fault

Magnetic

Keypad

(Keypad buttons

behind door)

HA20 Display & Alarm Controller

Two Channel

Edit Alarm

Reset

219995

Classified to CSA C22.2 NO. 152 for combustibles

detection. Class I, DIV.2, Groups A,B,C,D

READ & UNDERSTAND MANUAL!

S/N 90-

or 10-30 VDC @ 3 WATTS

Power = 100-240 V~, 50/60 Hz, .45 A

Channel 2

Cal

Figure 1-1. Front Panel

SW1-SW5 are the magnetic keypad allowing operator

interface w/o opening the enclosure. Touch key access requires

opening the enclosure.

Ch1 Alarm LEDs

LCD readout contrast

adjustment

UP DOWN NEXT EDIT RESET

Ch2 Alar

m LEDs

Piezo

Figure 1-2. Front Panel Display (open enclosure)

HA20 2-Channel Controller

HA20 Technical Manual 1-3

1.1 Data Display Screens

The HA20 Controller offers three modes for displaying monitored data,

as shown in Figure 1-3.

Figure 1-3. Data Display Screens

1.1.1 Main Data Screen

The HA20 Main Data screen shown in Figure 1-3 allows each channel

to be viewed simultaneously. Engineering unit values and bar graph

values are both displayed in real time. Arrows below the bars indicate

alarm trip point values, making it easy to identify channels at or

near alarm level. The direction the horizontal 45º side arrow points

indicates either a HIGH or LOW trip point. In Figure 1-1 where Ch 1

points right indicating high trip levels and Ch 2 points left indicating

low trip levels. Left and Right hand arrows located at the ends of

each bar graph point towards Channel Alarm LED’s on the front panel

associated with this reading. The 10-digit ASCII ﬁelds for identifying

engineering units and Channel ID for each channel are also shown

on the Main Data screen.

1.1.2 Trend Screen

In addition to the Main Data screen described above, the HA20 also

provides 30-minute trend screens for each channel as shown in Figure

1-3. Use the Next key to scroll between data screens.

1.1.3 Blind Mode Screen

The HA20 Blind Mode screen (Figure 1-3) does not allow viewing of

channel engineering unit values. It only indicates the system’s alarm

status and time / date. Some applications require only alarm status be

displayed and prefer monitored values not be shown. A SECURITY

menu (see Section 2.4) allows locking all conﬁguration parameters

and having only the Blind Mode screen available for viewing.

1.3 Specications

1.3.1 Power Supply Requirements

The HA20 is equipped with an integral 15 watt (or 50 watt, depending

on the conﬁguration) universal AC input / 24 VDC output switching

power supply. Standard HA20 AC power requirements are 100-240

VAC 50/60 Hz @ .45 amp max (including inrush) and 20 watts steady

state, applied to TB5 on the motherboard. If AC power is not available,

the HA20 may also be powered with 24 VDC applied to TB1 on the

motherboard. A primary DC source or back-up DC source capability

should be determined by the total system power budget calculation

with guard-band included. A back-up DC power source may also be

connected to TB1 for automatic switchover if the AC power source

fails. See Figures 3-1 & 3-2 for wiring information.

WARNING

A back-up or external DC power source DOES NOT source aux power

output (TB3 - see Figure 3.1)

HA20 2-Channel Controller

HA20 Technical Manual 1-4

The basic HA20 consumes only 1.5 watts of 10-30 VDC from the

integral power supply.

Optional features, and external devices such as remote transmitters,

increase power consumption as described below:

• Discrete Relay PCB option; add 1.5 watt.

• 4-20mA Output PCB option; add .5 watt.

• TB3 terminals 1 & 2 on the motherboard provide a maximum

of 350mA output power for powering of auxiliary external

devices such as relays, lamps or transmitters (see Figure 3-1).

Power consumed from these terminals must be included when

calculating system power consumption.

• 10-0221-2, Analog Input PCB option; add wattage for each

monitor connected to this board’s 24 VDC terminal

Some applications require the HA20 controller to source power for high

power monitors. Both 15 watt and 50 watt power supplies, UL rated

for Div 2 hazardous areas, are available. This option is also available

with a Div 1 enclosure if an explosion-proof enclosure is required. (See

Section 5 - Specifications.)

WARNING

A backup, or external DC power source DOES NOT source auxiliary

power output (see gure 3.1 TB3).

1.3.2 Relays

Two mechanical (dry contact) Common Form C relays are standard and

may be mapped to various alarm events as described in Section 2.3.1.

HA20’s may also be equipped with optional solid-state common Form

A relays (see Section 5 - Specifications for details) in applications

requiring non-arcing switching. Solid-state relays are recommended

for switching of highly inductive loads.

A six mechanical (dry contact) Discrete Relay option board (see

Section 3.1.6

) provides dedicated Form C relays for ALARM 1, ALARM

2 and FAULT for all channels.

WARNING

All mechanical (dry contact) relays are rated at 5 Amp for 28 VDC

and 250 ~VAC RESISTIVE loads. IMPORTANT: Appropriate diode (DC

loads) or MOV (AC loads) snubber devices must be installed with

inductive loads to prevent RFI noise spikes.

Optional solid state relays are rated at 2 Amp 12-280~VAC (600Vpk).

Relay wiring should be kept separate from low level signal wiring.

1.3.3 Ambient Temperature Range

-25 to 50 degrees C

1.3.4 Humidity Range

0 to 90% R. H. Non-Condensing.

1.3.5 Altitude

Recommended up to 2000 meters

Table of contents

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