Digital Display Module/Multi-Signal Alarm Module External Signal Relay - Beacon MEGA Installation, Operation And Maintenance Instructions

NOTE:
The external signal relay on the digital
display module or the multi-signal alarm
module is a general fault relay. It activates
upon any alarm condition on the module.
Ten-wire ribbon cable
to adjacent module
Multi-signal alarm module
interconnect board
8 COM + 1
4 ALARM 5
Wiring terminals accept up
7 + COM 2
S
F1
EXT
to #14 AWG wire
6 COM NC 3
W
SIGNAL
3
I
RELAY
5 + COM 4
T RATING
2A 30V
C
4 COM NO 5
DC/AC
2
H
3 + + 6
6
INPUTS
2 COM COM 7
1
1 + EARTH GROUND 8
TERMINAL BLOCK 1
TERMINAL BLOCK 2
Normally
8 1
Closed (NC)
Common
(COM)
1 8
P-B ASSY
PANEL
BUSS
231955
HEADER
MULTI-SIGNAL MODULE
INTERCONNECT CABLE
J3
J1 J2
PANEL
BUSS
CABLE
Sixteen-wire ribbon cable to multi-
signal alarm module chassis
Schematic 8. Digital Display Module/Multi-Signal Alarm Module External Signal Relay
Digital display module
interconnect board
DO+
DO-
COM
+
COM
+
COM
+
TERMINAL BLOCK 1
Relay output to
other equipment
30 VDC/30 VAC
2A Max
Ten-wire ribbon cable
to adjacent module
J1 J2
PANEL
BUSS
CABLE
Twenty-wire ribbon cable to
digital display module chassis
PRESSURE PRESSURE
DI+
/VACUUM /VACUUM
DATA DATA
DI-
OUTPUT INPUT
F1
EXT.
NC
SIGNAL
RELAY
COM
RATING:
2A 30VDC
NO
/30VAC
PRESSURE
T+
/VACUUM
SENSOR
T-
INPUT
EARTH GROUND
TERMINAL BLOCK 2
Normally
Relay output to
Closed (NC)
other equipment
30 VDC/30 VAC
Common
2A Max
(COM)
C1
P-B ASSY
PANEL
BUSS 231927
HEADER
DISPLAY MODULE
INTERCONNECT CABLE