Omega DP461-S - Figure 15-1 RS-232;RS-485 Option Board and Pin Designations

15
RS-232 or RS-485 Option Board
15-2
Figure 15-1 gives the board connections and pin designators for RS-232/RS-485.
Figure 15-1. RS-232/RS-485 Option Board and Pin Designations
Figure 15-2 shows board connections and pin designators for older RS-232 and RS-485
option cards.
J4
PIN 1
P11
1 N/C
2 RTS
3 TX
4 RX
5 COMM RTN
6 N/C
RS-232 (P4) AT J4
1
6
PIN 1A
PIN 11
ABCDE
S1
S1
A
B
S3
P11
S3
11
1
1A
J4
1
6
S2
S2
A
S4
S4
A
S1
A
B
S3
A
S2
A
J4
PIN 1
P11
1 TX/RX (A)
2 TX/RX (B)
3 COMM RTN
4 RX (A)
5 RX (B)
6 N/C
RS-485 (P4) AT J4
1
6
S4
A
PIN 10
Figure 15-2a.
Older RS-232 Option Board
and Pin Designations
Figure 15-2b.
Older RS-485 Option Board
and Pin Designations
METER RJ-12 PIN (J4) RS232 RS485 HALF DUPLEX RS485 FULL DUPLEX
6
5 GND
4 RX RX-
3 TX RX-TX- TX-
2 RTS RX+/TX+ RX+
1 TX+