Honeywell ACS-2plus - Pin Assignment Tables

20 Installation instructions / ACS-2 plus
6.4 Pin assignment tables
Table 1: Pin assignment of interface converter and PC.
Device Pin RS232 RS485 (3-wire) RS485 (5-wire) Current
Loop
COM1/COM2
9-pole
1
2
3
4
5
6
7
8
9
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
COM1/COM2
25-pole
2
3
4
5
6
7
8
20
22
TxD
RxD
RTS
CTS
DSR
GND
DCD
DTR
RI
Interface converter 1
2
3
4
5
D1
D
D*
D1*
GND
Table 2: Pin assignment of the controllers/terminals
Device Pin RS232 RS485 (3-wire) RS485 (5-wire) Current
Loop
ACS-1, ACS-Compact,
ACS-2, ACS-2 plus,
ACS-2 plus
TRS6, TRS8,
TRS10, TRS15
1
2
3
4
5
GND
TxD
RxD
GND
D
D*
GND
D
D*
D1
D1*
T GND
T+
R+
R GND
Display panel,
TRS20 / TRS30
1
2
3
4
5
6
7
TxD
RxD
GND
D
D*
GND
D
D*
GND
D1
D1*
R GND
T+
R+
T GND