Circuit Connections - Notifier ACS Series Installation Manual

Installation, Configuration, and Programming
4.5 EIA-485 Circuit Connections
The accompanying figures provide EIA-485 circuit diagrams for the two
different types of annunciators.
Note: See Section 3.3 "EIA-485 Wiring Specifications" for circuit
requirements.
30
+
+ IN 1
+
2
+ OUT
-
- OUT 3
-
- IN 4
5
Ref Out
6
Ref In
7
EGnd
+ IN
+
1
+ OUT
+
2
- OUT
-
3
- IN
-
4
Ref Out
5
Ref In
6
EGnd
7
1 +
+ IN
2 +
+ OUT
- OUT 3 -
4 -
- IN
5
Ref Out
6
Ref In
7
EGnd
- +
EIA-485
Note: See Section 4.7 "End of Line
Resistor for EIA-485 Circuit" to set on-
board ELR for ACM-24AT/ACM-48A.
Figure 4-9 EIA-485 Circuit for
ACM-24AT and ACM-48A
REF
EIA-485 Circuit from
Figure 4-10 EIA-485 Circuit
for ACM-16AT and ACM-32A
-
-
+
+
TB2 on Last
Annunciator
-
-
+
+
TB2 on Middle
Annunciators
-
-
+
+
TB2 on First
Annunciator
- +
Control Panel
PN 15842:K 7/23/2002
In
Out
Out
In
In
Out
Out
In
In
Out
Out
In