AFP-400 Installation
PN 50253:A2 03/12/96
A-13
Providing Power to ACS- and LDM-type Annunciators
Circuits are power limited.
The power run to the LCD-80 or ACS Annunciator does not require a Power
Supervision Relay. Loss of power is inherently supervised through a Commu-
nication Loss.
Maximum LCD-80 current draw from power supply is 500 mA.
Figure A-3 Power Connections for LCD, ACS Type Annunciators
Power Connections
for LCD- and ACS-
Type Annunciators
+ - + - + -
4
5
6
7
3
2
1
4
5
6
7
3
2
1
7) N.C. Trouble
6) Inputs
5) Common in ()
4) Common out ()
3) Power In (+24VDC)
2) Power Out (+24VDC)
1) Earth Ground
Terminals 6 and 7 do
not exist on the ACM-8R
MPS-400
TB2-1 (+)
TB2-2 ()
Figure A-4 Power Connections for LCD-80s
Circuits are power limited.
The power run to the LCD-80 or ACS Annunciator does not require a Power
Supervision Relay. Loss of power is inherently supervised through a Commu-
nication Loss.
Maximum LCD-80 current draw from power supply is 500 mA.
+ - + - + -
7
6
5
4
3
2
1
P1
EIA-232 Transmit
EIA-232 Reference
- System Common OUT
- System Common IN
+24 VDC OUT
+24 VDC IN
EIA-232 Receive
7
6
5
4
3
2
1
P1
EIA-232 Transmit
EIA-232 Reference
- System Common OUT
- System Common IN
+24 VDC OUT
+24 VDC IN
EIA-232 Receive
Providing Power to
the LCD-80
MPS-400:
TB2-1 (+)
TB2-2 ()
