Pin assignment of 7188E3-232:
Pin Name
Description
1
CTS1
CTS pin of COM1 (RS-232)
2
RTS1
RTS pin of COM1 (RS-232)
3
RXD1
RXD pin of COM1(RS-232)
4
TXD1
TXD pin of COM1(RS-232)
5
INIT*
Initial pin for enable/disable AUTOEXEC.BAT
6
D2+
Data+ pin of COM2 (RS-485)
7
D2-
Data- pin of COM2 (RS-485)
8
VS+
V+ of power supply (+10 to +30VDC unregulated)
9
GND
GND of power supply
10 CTS3
CTS pin of COM3 (RS-232)
11 RTS3
RTS pin of COM3 (RS-232)
12 TXD3
TXD pin of COM3 (RS-232)
13 RXD3
RXD pin of COM3 (RS-232)
14 DI0
Digital Input, 3.5V ~ 30V, channel 0
15 DI1
Digital Input, 3.5V ~ 30V, channel 1
16 DI2
Digital Input, 3.5V ~ 30V, channel 2
17 DI3
Digital Input, 3.5V ~ 30V, channel 3
18 GND
GND of Digital Output
19 PWR
Power of Digital Output
20 DO0
Digital
Output,
100
mA, 30V max., channel 0
21 DO1
Digital
Output,
100
mA, 30V max., channel 1
22 DO2
Digital
Output,
100
mA, 30V max., channel 2
23 DO3
Digital
Output,
100
mA, 30V max., channel 3
E1: 10BaseT connector
Note:
1. 7188E3-232/7188E3D-232 does not support I/O Expansion Bus. So you
cannot install any X???? into 7188E3-232/7188E3D-232.
2. The GND-signal of COM1 is shared with pin-9, GND.
3. Refer to Sec. 5.2 for wire connection of CA0910 to PC & 7188E.
4. Refer to Sec. 5.5 for application wiring.
7188E Series Hardware User’s Manual, 2004, v2.2, 7MH-016-22 ----- 62