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4-44
Chapter 4: Appendix F - RS-485/422 Option
Figure 44: RS-485/422 SLIM partial schematic
Port 2
Port 1
13
SLIM
15
TxD
U2
Pin 29
14
TxD A
SLIM
Pin 3
TxD B
SLIM
Pin 26
7
TxD
13
Pin 30
DTR
U3
12
SLIM
Pin 31
12
11
10
Pin 28
RxD
3
RxD A
RxD B
2
CTS
13
CTS A
U1
NET 2
14
CTS B
DTR
U3
SLIM
Pin 24
4
1
RTS
SLIM
Pin 4
SLIM
Pin 9
SLIM
Pin 6
Pin 33
DCD
SLIM
Pin 23
SLIM
SLIM
Pin 22
+5 V
SLIM
Pin 21
SLIM
Pin 18
SLIM
3
RTS A
SLIM
Pin 10
2
RTS B
SLIM
RxD A
SLIM
U2
9
SLIM
Pin 27
RxD
11
CTS
5
DCD
Pin 15
NET 3
U1
10
RxD B
7
CTS A
SLIM
Pin 14
CTS B
SLIM
U1
SLIM
Pin 17
NET 4
6
Pin 8
SLIM
TxD B
Pin 12
SLIM
NET 1
U1
6
3
1
Pin 7
15
SLIM
Pin 32
RTS B
2
SLIM
Pin 2
9 U2
RTS
1
SLIM
RTS A
SLIM
Pin 11
Pin 13
SLIM
Pin 25
11
TxD A
U2
SLIM
Pin 5
SLIM
5
Pin 16
+5 V
+5 V
GND
Network detail
Net #
RN 1
RN 2, RN 3
(150 ohm) (1.2k ohm)
Pin #
Pin #
Net 1
Net 2
Net 3
Net 4
7, 8
5, 6
3, 4
1, 2
+5 V
R1
R2
R3
RN 3 (1.2K ohm)
B
RN 1 (150 ohm)
A
RN 2 (1.2K ohm)
5
4
3
2
Note: As a RS-485/422 Serial Line Interface Module controls two ports, the
schematic shows the circuit for two ports.
Intellicon User's Manual, ver. 2.30