AIS750 Series
Alarm Annunciator
User Manual
(Ver. 2.3 / JUNE. 2014)
3-350 John Street, Thornhill, Ontario L3T 5W6
Phone: 289 597 APEX (2739)
Fax: 289 597 2200
Toll Free: 1 866 776 2943
Email: mail@annunciator.ca
Web: www.ANNUNCIATOR.ca
AIS750 Series Annunciators
(1)
Introduction
The AIS750 Series Alarm Annunciator system is an unparallel, modular and dual operation mode
Annunciator, designed to give indication of an alarm condition, or equipment status, where a
high degree of reliability and fl exibility is required.
The Annunciator is made of universal cells being 75 x 50mm and comprising one large window,
two medium (Vertically or horizontally) or four small windows. These cells can be assembled in
an array to provide the number of rows and columns required to suit individual panel designs.
These alarm windows are driven from Four-channel Logic (Alarm) Cards and each window is
illuminated by “plug-in” LED Modules providing a maintenance free solution. The fi nished window
array is housed within an attractive aluminum frame which gives a modern fl ush mounting
appearance and allows the annunciator to be mounted in a single cut-out.
The AIS750 supports two operation modes:
- Stand-alone (standard) mode: In Standard Mode, the Serial communication feature is
disabled and system works as a stand-alone unit. No unique address needed for cards in this
mode and generally, Stand-alone mode is recommended if no serial communication needed
with other devices. All settings will be done by DIP switches and jumpers in this mode.
- Serial mode: In Serial mode, each card in the system has its own unique address. All
settings should be done through ALCON software in this mode. Selection of features is on
a per channel basis with no special tools or programming knowledge required. System can
communicate with other Annunciators, Cotroller and devices such as a computer in this mode.
The AIS750 Series Alarm Annunciator is fully programmable for a whole range of different
sequences and functions as listed in the ISA Publication “Annunciator Sequences and
Specifi cations ISA-S18.1/1979 (R1985)”.
All Logic Cards are generally interchangeable within the annunciator, so stocking requirements
are minimized. As the system is fully fi eld-programmable, the operating specifi cation of both
alarm sequence and functions can be changed during commissioning or at a later date after the
equipment is installed.
AIS750 Series Annunciators
(2)
OPERATION MODE
- Stand-alone (standard) Mode
- Serial Mode with serial communication
SYSTEM SETUP
- In Stand-alone Mode: By DIP switches
- In Serial Mode: Through ALCON
software
SERIAL COMMUNICATION
Protocol:
AIS750 supports Modbus RTU-Slave,
DNP3 Serial, DNP3 Ethernet and many
other protocols including; Modbus TCP,
BACnet MS/TP, BACnet IP, AB EtherNet IP,
Allen Bradley EtherNet, AB DF1, SNMP,
GE-EGD, GE-SRTP, GE-SNP, OPC,
Omron Fins, Metasys N2 Open,...
Multi-drop RS485 communication is
available. Up to 7 Annunciators can be
connected together and also to another
device.
INPUTS
Isolation and Polarity:
- Each input is optically isolated up to
2000VAC
- All inputs are bipolar and can accept
AC or DC voltages
Alarm Inputs:
- Wet (voltage supplied) or dry (voltage free)
contacts. Field Selectable for each channel
individually
- Normally Open (NO) or Normally Closed
(NC). Field Selectable for each channel
individually
- Dry Contact and 24V (DC or AC) are
standard inputs and other voltages are
optional as bellow
- Other input Voltages; 48V,125V and
250V (DC or AC)
Response Time:
- Standard unit: 25ms milliseconds
- Made to order from 1ms to 2s
OUTPUTS
Supported outputs:
- Light Output
- Critical Audible Relay
- Non-critical Audible Relay
- Critical/Non-critical Buzzer
- Group Relay
- Common Relay
- Auxiliary (Repeat) Relay (can be set to
follow Input or Output)
- Common Alarm Relay
- First_Up Relay
Relay Rating: - 1A@24VDC
- 0.5A@ 120VAC
ALARM SEQUENCES
System supports all ISA-S18.1/1979
(R1985) sequences including:
- Manual Reset (M)
- Automatic Reset (A)
- Automatic Reset First Out (F3A)
- Automatic Reset First Out (F1A)
- Manual Reset First Out (F2M-1)
- Ringback (R)
- No Lock In
These sequences are Field Selectable
for each Alarm Controller (for example for
H21 window type, two channels have the
same sequence)
DISPLAY
Confi guration:
- One single large window:
(H11 type): 75x50mm (WxH)
- Two medium window:
(H21 type): 75x25mm (WxH)
(H12 type): 37.5x50mm (WxH)
(V21 type): 50x37.5mm (WxH)
- Four small window:
(H44 type): 37.5x25mm (WxH)
Each window is backlit by almost unlimited
life time “plug-in” LED Modules with 120°
high bright LEDs
Number of LED(s) per LED module: 2
Number of LED module per Alarm Point:
H11: 4 LED modules
H21, H12, V21: 2 LED modules
H44: 1 LED module
LED Module Color:
Yellow, Red, Green, White
Legends: - Laser Engraved & color fi lled
- Printed translucent fi lm
Environment:
Operating temperature : -20 to 60ºC
Storage temperature -20 to 80°C
Humidity 0-95% RH, non condensing
Protection:
Front Panel: IP41
Enclosure: IP20
Weight:
Approximately 0.35 kg per H11 window
Supply Voltage:
24VDC Nominal (20-30VDC)
Supply Current Per Alarm Point:
Quiescent: 5mA (at 24VDC)
LEDs: H11: 24mA (at 24VDC)
H21, H12, V21: 12mA (at 24VDC)
H44: 6mA (at 24VDC)
Relay: 10mA per relay (at 24VDC)
Additional 100mA current is required
for Interface Module, Pushbutton/
Buzzer Module, Common Relay and
Buzzer and Serial Communication
Module
GENERAL
Technical Specifi cation
Connection Terminals:
- Two-part removable screw type
- Maximum wire size: 2.5 mm
2
Mounting:
Panel (fl ush) Mount
PUSHBUTTONS
“Acknowledge”, Reset”, “Test” and “Mute”
pushbuttons are supported by the system
with two choices; Remote and/or Integral
pushbuttons
AIS750 Series Annunciators
(3)
Visit
www.annunciator.ca
for updated specifi cation
Relay Module (RM)
Interface Module
Logic Card
Com. Module
Common Relays
Com1 (RS485/RS232)
Alarm Inputs
Repeat Relay Outputs
24VDC
External Pushbuttons
System Rear overview, Modules and Connectors
AIS750 is an unparallel, modular, dual operation mode Annunciator.
The annunciator is made up of windows, window being 75 x 50mm (3``x 2``).
The type of cards installed dependent on system specifi cation and the required options.
The following pages detail the system modules, individual cell types, available options
and system setting.
AIS750 Series Annunciators
(4)
Window/Cell Confi guration
H11
H12
H44
H44
H44
H44
H12
H21
H21
V21
V21
75mm
40mm
65mm
50mm
20mm
32.5mm
37.5mm
25mm
The AIS750 is modular and window based designed. It is manufactured from 75x50mm windows which can be
assembled in an array to provide the number of rows and columns required to suit individual panel designs.
Each cell within the annunciator is able to contain either;
- One single large window (H11 type): 75x50mm (WxH)
- Two medium windows (H21 type): 75x25mm (WxH)
(H12 type): 37.5x50mm (WxH)
(V21 type): 50x37.5mm (WxH)
- Four small windows (H44 type): 37.5x25mm (WxH)
Each window is illuminated by maintenance free “plug-in” LED Modules.
Window address: 1 Window address: 2 Window address: 3 Window address: n
Window address: n+2 Window address: n+3 Window address: n+4 Window address: m
Window address: n+1
Window address: m+2 Window address: m+3 Window address: m+4 Window address: x
Window address: m+1
Interface and Com.
Module
C: Number of 75x50mm
Windows in one row
R: Number of 75x50mm
Windows in one column
Overall Size Calculation of H11, H21, H12 and H44:
Width (mm)= C x 75 + 37 0.5
Height (mm)= R x 50 + 37 0.5
Cutout Size Calculation of H11, H21, H12 and H44:
Width (mm)= C x 75 + 33 0.5
Height (mm)= R x 50 + 33 0.5
+
_
+
_
+
_
+
_
Overall Size Calculation of V21:
Width (mm)= C x 50 + 37 0.5
Height (mm)= R x 75 + 37 0.5
Cutout Size Calculation of V21:
Width (mm)= C x 50 + 33 0.5
Height (mm)= R x 75 + 33 0.5
+
_
+
_
+
_
+
_
Calculation of overall and cut-out size is easy by using the following formulas:
Window Addressing (applicable in Serial mode only):
System rear view
AIS750 Series Annunciators
(5)
Logic Card
Relay Module (optional)
Depend on window type (H11, H21, H44, H12, V21),
each Logic card supports 1, 2 or 4 inputs. Each logic
card can be assigned to two different groups (Critical or
Non-critical).
Each Input can be confi gured individually to accept Dry
(potential free) or Wet (powered) contacts. On standard
system, user can select either Dry Contact or 24VDC
signals. Another option is “Other Voltage”. Voltage of this
option should be determined at the time of order.
There are two operation modes, “Stand-alone (Standard)
and Serial”. The DIP switch on Logic Card has
different settings in each mode.
Each 4 channel Logic Card can be supplied with an
optional 4 channel Relay Module (RM) which plugs
into Logic Card and provides the user with a dry
contact (potential free contact) per alarm channel for
use with 3rd party devices.
These Repeat relays can be confi gured to operate in
accordance with one of the following.
- Input Follower: The relay changes state each time
there is a change to the associated signal
input contact.
- Output (display) Follower: The relay changes state
on alarm and faithfully follows the display window.
Logic Card & Repeat Relay Module
AIS750 Series Annunciators
(6)
ON
12345678
1
3
5
7
APEX Automation
S
olutions
A
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Lo
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2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
ON
1
2
3
4
5
6
7
8
Operation Mode Setting:
Switch 1 On: Stand-alone
4
2
3
1
J13
The non alarm state of each individual channel can be configured to allow the
channel to operate from either a NO or NC contact.
AIS750 supports all ISA-S18.1/1979 (R1985) sequences. These sequences are Field
Selectable for each Alarm Controller (Logic Card). For example for H11 type, each individual
channel and for H21 type, each two channels will be confi gured at the same time.
Flowcharts of all sequences are available at the end of this document.
Switch
1
Off: Serial Mode
Manual Reset (M)
Auto Reset (A)
No Lock (N)
Ring Back (R)
First Out-1A (F1A)
First Out-2M (F2M)
First Out-3A (F3A)
Off
Off
Off
Off
On
On
On
Off
Off
On
On
Off
Off
On
Off
On
Off
On
Off
On
Off
Input 1 Input 2 Input 3 Input 4
switch 5 switch 6 switch 7 switch 8
Switch On: Normally Open Input
Switch Off: Normally Close Input
Sequence switch 2 switch 3 switch 4
ON
1
2345678
Stand-alone Mode DIP Switch setting:
Logic Card Settings in Stand-alone Mode:
Visit the bellow links for Manual Reset & Auto Reset demonstrations
http://www.youtube.com/watch?v=XgYib4a5PoE
http://www.youtube.com/watch?v=j7n6RerSviQ
AIS750 Series Annunciators
(7)
Input 1
ON
1
2
3
4
5
6
7
8
1357
A
PEX Automation
S
olutions
AIS Lo
g
ic car
d
2468
1357
2468
1357
2468
1357
2468
1
3
2
4
J13
Input 2 Input 3
Input 4
1357
2468
1357
2468
1357
2468
Dry Contact Input
24V(AC/DC) Input
Other Voltage Input
2
4
6
8
1
3
2
4
1
3
2
4
1
3
2
4
1
3
2
4
1,2 Open:
Alarm Group 1 (Non-critical)
3,4 Open:
Repeat relays (input follower)
Input Type Setting
Alarm Group & Repeat Relay
Setting
ON
1
2
3
4
5
6
7
8
Switch 1 On: Stand-alone
Logic Card Settings in Stand-alone Mode:
Switch
1
Off: Serial Mode
AIS supports two groups of alarms. We call these two
groups; Critical and Non Critical. There are two output
relays on the Interface Module. Each relay can be
assigned to any of these two groups.
Each 4 channel Logic Card can be supplied with an
optional 4 channel Relay Module (RM) which plugs into
Logic Card and provides the user with a dry contact (volt free contact) per alarm channel to
be used by 3rd party devices. In Stand-alone mode, these repeat relays can be confi gured by
Logic Card jumper setting (as above) to operate in accordance with one of the following.
- Input Follower: The relay changes state each time there is a change to the associated
signal input contact.
- Output (display) Follower: The relay changes state on alarm and faithfully follows the
display window.
Each Input can be confi gured individually to accept Dry
(potential free) or Wet (powered) Contacts. On standard
systems, user can select either Dry Contact or 24VAC/DC
signals. Another option is “Other Voltage”. The Voltage of
this feature should be determined at the time of order.
Operation Mode Setting
:
1,2 Close:
Alarm Group 2 (Critical)
3,4 Close:
Repeat relays , Output Follower
AIS750 Series Annunciators
(8)
Serial Mode DIP Switch setting:
ON
1
2
3
4
5
6
7
8
Logic Card DIP Switch Setting
in Serial mode
Switch
1
On: Stand-alone Mod
e
Switch 1 Off: Serial Mode
Switch 2-8: Address of Logic Card (window address)
Logic Card Settings in Serial Mode:
ON
12345678
1
3
5
7
APEX Automation
S
olutions
AIS Lo
g
ic car
d
2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
4
2
3
1
J13
Card Address SW2 SW3 SW4 SW5 SW6 SW7 SW8
1
2
3
4
5
6
7
8
9
10
.
.
.
.
110
Logic Cards Addressing Examples
ON
12345678
In Serial operation mode, each Logic Card in the
system has its own unique address. This unique
address is set using the switches 2-8 located on
DIP switch as shown below.
It is important that user notes the card address
when removing multiple cards or replacing a
card.
AIS750 Series Annunciators
(9)
On
On
On
On
On
On
On
On
On
On
.
.
.
.
Off
Off
On
Off
On
Off
On
Off
On
Off
On
.
.
.
.
On
On
On
On
On
On
On
On
On
On
On
.
.
.
.
Off
On
On
On
On
On
On
On
On
On
On
.
.
.
.
On
On
On
On
On
On
On
On
Off
Off
Off
.
.
.
.
Off
On
On
On
Off
Off
Off
Off
On
On
On
.
.
.
.
Off
On
Off
Off
On
On
Off
Off
On
On
Off
.
.
.
.
Off
APEX Automation Solutions
Relay Module (RM)
123 123123 123
Relay 1
Relay 2
Relay 3
Relay 4
Individual channel Repeat Relays
Each 4 channel Logic Card can be supplied with an optional 4 channel Relay Module (RM) which plugs
into Logic Card and provides the user with a dry contact (potential free contact) per alarm channel for use
with 3rd party devices. Each relay is equipped with a change-over contact and the user can select the
contact state to NO or NC using a 3 way header and 2 way jumper as shown bellow.
These Repeat relays can be confi gured by Logic Card jumper setting (in Stand-alone mode) or in
software (in Serial mode) to operate in accordance with one of the following.
- Input Follower: The relay changes state each time there is a change to the associated signal
input contact.
- Output (display) Follower: The relay changes state on alarm and faithfully follows the display
window.
Rating of each relay would be: - 1A@24VDC
- 0.5A@ 120VAC
Relay Module (Repeat Relays) - optional:
Repeat Relays
Output Setting
123
123
Normally Open Output (NO)
Normally Close Output (NC)
(Relay 1) Dry contact output
(Relay 2) Dry contact output
(Relay 3) Dry contact output
(Relay 4) Dry contact output
AIS750 Series Annunciators
(10)
Interface Module
Communication Module (optional)
Interface & Communication Module
Interface module communicates with Logic Cards and
supports internal and external pushbuttons and provides
common outputs such as internal buzzer, common alarm
outputs such as First-up output, common Alarm Horn,
etc. It also manages common functions such as system
confi guration (through serial port) and communication
protocols.
There are two relays on Interface module. Function of
these relays can be set by jumpers allowing the relays to
operate as:
Audible (Alarm Horn):
Activates on alarm and remain active (within a group)
until the Mute or Acknowledge pushbutton has been
pressed (Horn 1 / Horn2).
First-up:
Activates when the fi rst alarm occurs within a group
Common Alarm (Group Alarms):
Once channels have been assigned to groups (Critical,
Non-critical), the user is able to link a group to a
common relay.
The AIS750 supports two operation modes; Standalone
(standard) mode and Serial mode.
DIP switches on Interface Module has different
settings in each mode.
To operate in Serial mode a Communication Card
(Com. Module) plugs into Interface Module to support
RS485 and RS232 ports. These ports are selectable
by jumpers.
AIS750 supports Modbus RTU-Slave, DNP3 Serial,
DNP3 Ethernet and many other protocols including;
Modbus TCP, BACnet MS/TP, BACnet IP, AB EtherNet
IP, Allen Bradley EtherNet, AB DF1, SNMP, GE-EGD,
GE-SRTP, GE-SNP, OPC, Omron Fins, Metasys N2
Open,...
AIS750 Series Annunciators
(11)
Interface Module Settings:
Interface Module Operation Mode setting:
Stand-alone Mode On
Serial Mode Off
ON
1
2
3
4
Operation Mode switch 1
ON
1234
APEX Automation Solutions
AIS750 Interface Module
1357
2468
1357
2468
123
123
Relay 1
Relay 2
Relay 1
Output
Relay 2
Output
External Pushbuttons
Mute
Test
Ack.
Reset
+
--
24 VDC
Common Relays
Outputs
Relay 1
setup
Relay 2
setup
The AIS750 supports two operation modes; Stand-alone (standard) and Serial mode. Stand-alone mode
is recommended if no serial communication needed with other devices. The operation mode of Interface
Module should be set as bellow table.
Interface module provides two common relays. Each relay can be set as Alarm Horn1 (Non-critical
group), Alarm Horn2 (Critical group), First-up Horn and Common Alarm Horn. It also manages the
internal and external pushbuttons. For Serial Communication, a Com. Module will be connected to this
module. On standard systems, interface module is located in the bottom left hand corner of unit when
viewed from the rear.
AIS750 Series Annunciators
(12)
ON
1
2
3
4
APEX Automation
S
olutions
AI
S
7
50
Int
e
r
face
M
odu
l
e
1357
2468
1357
2468
123
123
R
ela
y
1
R
ela
y
2
Relay 1
function setting
Relay 2
function setting
1357
2468
1357
2468
1357
2468
Horn 1
(Non-critical Alarm)
1357
2468
Horn 2
(Critical Alarm)
First-up
Common Alarm
Common Relays
Output Setting
123
123
Normally Open Output (NO)
Normally Close Output (NC)
2
4
6
8
Common Relays
Function Setting
Interface Module Jumper settings for both operation modes (Stand-alone and Serial Modes):
There are two relays on Interface module. Function of relays can be set by jumpers as showing bellow
allowing the relays to operate as:
- Audible (Alarm Horn) : Activates on alarm and remain active (within a group) until the Mute or
Acknowledge pushbutton has been pressed (Horn 1 / Horn2)
- First-up: Activates when the fi rst alarm occurs within a group
- Common Alarm (Group Alarms): Once channels have been assigned to groups (Critical, Non-critical),
the user is able to link a group to a common relay
Each relay is equipped with a change-over contact and the user can select the contact state to NO or NC.
All relay settings can be done using headers and 2 way jumpers as shown bellow.
Interface Module Settings:
AIS750 Series Annunciators
(13)
ON
1234
APEX Automation Solutions
AIS750 Interface Module
1357
2468
1357
2468
123
123
Relay 1
Relay 2
Relay 1
function setting
Relay 2
function setting
Interface Module DIP Switch setting:
Standard Mode On
Serial Mode
Off
ON
1
2
3
4
Node Address switch 2 switch 3 switch 4
1
2
3
4
5
6
7
ON
Operation Mode switch 1
Interface Module Setting in Serial Mode:
For operation in Serial mode, Interface
module DIP switch must be set (switch1, Off).
For Multi-Drop connection (connecting up to 7
units), each Interface Module in the system
requires a unique address therefore the fi rst
unit in any given system is address 1, the
second one address 2 etc, as shown bellow.
AIS750 Series Annunciators
(14)
On
On
On
Off
Off
Off
Off
On
Off
Off
On
On
Off
Off
Off
On
Off
On
Off
On
Off
Com. Module provides two individual ports, Com 1
and Com. 2 via a 4 pin pluggable connector (Com 2 is
disabled in this system).
Each port can be set as RS485 or RS232 as shown
below.
There is a Termination Jumper for RS485. This jumper
should be short ONLY for END NODE (last unit in
network).
Communication Module (Com. Module) - optional:
Com 1
APEX Automation Solutions
Com. Module
123
123
123
123
C
om
2
Com 1
APEX Automation Solutions
Com. Module
123
123
123
123
C
om
2
Termination Jumper:
Must be close just for END NODE
RS485 Setting
RS232 Setting
Com 1
Com 2
AIS750 Series Annunciators
(15)
1
23
4
2 wire + GND RS485 Connections
RS232 Connections
1
23
4
RX
TX
GND
2 wire RS485 Connections
1
23
4
(D2)
(D1)
(GND)
1
23
4
D-
D+
SG
(D2)
(D1)
D-
D+
For serial communciation wiring,
see pages 21, 22
24VDC
power supply
Wiring Diagram
Power Supply Wiring
Typical wiring diagram of system power supply
+
-
+
-
+
-
+
-
An external FUSE is
strongly recommended as
shown above.
Depend on system options,
every 7-10 Logic Cards
(usually each row) needs one
24VDC power connection.
One power connection for
Interface module is mandatory.
On standard systems,
Interface Module is located in
the bottom left hand corner
cell when viewed from the
rear.
AIS750 Series Annunciators
(16)
F
Fuse
Input 1
Input 2
Input 3
Input 4
Dry Contact (potential free)
Inputs
1212 1212
Wiring Diagram
Alarm Iuput Wiring
Depend on window type (H11, H21, H12, V21, H44), each Logic card supports 1, 2 or 4 inputs.
Each Input should be confi gured individually to accept Dry (potential free) or powered contacts.
Make sure all inputs have been confi gured properly before wiring the system, otherwise
system will be damaged.
Please ensure there is no external links between Input terminals and power supply terminals and
wires.
All “2” terminals are internally connected. Using this terminal for common wire for inputs is permitted
ONLY when using the same power source which is supplying the system.
Input 1
Input 2
1212 1212
power supply
0
+
0
+
Input 3
Input 4
0
+
0
+
Alarm Signals
power supply
power supply
power supply
Input 1
Input 2
1212 1212
power supply
Input 3
Input 4
0
+
Alarm Signals
Typical diagrams of Inputs Wiring
Alarm Signals
Powered Individual Inputs
Powered Common Inputs
To use the same 24VDC power source
which is supplying the system, ensure
that there is no external links between
Input terminals and power supply
terminals and wires.
n
n
pu
t 2
pu
t2
pu
t 1
pu
t1
n
n
pu
t 4
pu
t4
pu
t 3
pu
t3
n
n
put 2
pu
t
2
put 1
pu
t1
n
n
put 4
put 4
put 3
put 3
AIS750 Series Annunciators
(17)
Recommended wirings
Output 1
Output 2
Dry Contact (potential free) Outputs
1212
Output 1
Output 2
External horn or buzzer wiring
1212
Wiring Diagram
Alarm Output Wiring
HORN
There are two relays on Interface module. Function of
theses relays can be set allowing the relay to operate
as:
- Audible: Activates on alarm and remain active
(within a group) until the Mute or Acknowledge
pushbutton has been pressed (Horn 1 / Horn2)
- First-up: Activates when the fi rst alarm occurs
- Common Alarm (Group Alarm): Once channels have
been assigned to groups (Critical, Non-critical), the
user is able to link a group to common relay.
Each relay is equipped with a change-over contact
and the user can select the contact state to NO or NC.
Typical wiring diagram of Alarm Outputs
HORN
power supply
AIS750 Series Annunciators
(18)
Wiring Diagram
External (remote) Pushbuttons
Wiring
1234
+24VDC (from same power
source supplying the system)
Acknowledge
Reset
Mute
Test
:Momentary Normally Open Pushbutton
External (remote) pushbutton wiring diagram
As an alternative, Pushbutton Module
can be supplied as a remote item or
the user can use conventional panel
mounting momentary/normally open
pushbuttons to control the Annunciator.
+
-
power supply
+
-
AIS750 Series Annunciators
(19)
Output 1
Output 2
Output 3
Output 4
Dry Contact (potential free) Outputs
1212 1212
Typical diagram of Repeat Relays Wiring
Wiring Diagram
Repeat Relays Wiring
output 1
output 2
output 3
output 4
1212 1212
output 1
output 3
output 4
output 2
Powered Outputs
Individual channel Repeat Relays
Each 4 channel Logic Card can be supplied with an optional 4 channel Relay Module (RM) to provide
dry contact (potential free) contacts per alarm channel to be used with 3rd party devices. Each relay is
equipped with a change-over contact and the user can select the contact state to NO or NC.
These relays can be confi gured to follow either input (Input Follower) or output (Output Follower).
power supply
power supply
power supply
power supply
AIS750 Series Annunciators
(20)
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