10
D2+
DATA+ pin for COM2 (RS-485)
11
D2-
DATA- pin for COM2 (RS-485)
12
+VS
V+ of power supply (+10 to +30V/DC, unregulated)
13
GND
GND for the power supply
The pin assignment for the COM1 connector (DB-9 Male) is as below:
DB9-Male (COM1)
Pin Name
Description
1
D1+
DATA+ for RS-485
2 TXD
Transmit
Data
3 RXD
Receive
Data
4 N/C
No
Connection
5
GND
Signal ground for RS-232
6 N/C
No
Connection
7
CTS
Clear To Send (RS-232)
8
RTS
Request To Send (RS-232)
9
D1-
DATA- for RS-485
Note:
The COM1 can be used as either an RS-232 or RS-485 port. It is
not recommended to use both RS-232 and RS-485 at the same time.
I-7188XC Series User’s Manual(Ver.1.0, Apr/2007,7MH-21-10) ---
11
Summary of Contents for I-7188XC Series
Page 87: ...I 7188XC Series User s Manual Ver 1 0 Apr 2007 7MH 21 10 87...
Page 136: ...I 7188XC Series User s Manual Ver 1 0 Apr 2007 7MH 21 10 136...
Page 142: ...Step 8 Make the project I 7188XC Series User s Manual Ver 1 0 Apr 2007 7MH 21 10 142...
Page 149: ...Step 8 Rebuild the project I 7188XC Series User s Manual Ver 1 0 Apr 2007 7MH 21 10 149...