Pin assignment of 7188E2:
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
E1: 10BaseT connector
Note:
1. 7188E2/7188E2D does not support I/O Expansion Bus. So you cannot install
any X???? into 7188E2/7188E2D.
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
1. Refer to Sec. 5.5 for application wiring.
7188E Series Hardware User’s Manual, 2004, v2.2, 7MH-016-22 ----- 58