Basic Wire Connection For I-7520 - ICP DAS USA 7000 Series User Manual

2.7 Basic Wire Connection for I-7520:

RS 485 wire connection.
GND Ext. Power GND
+VS Ext. Power 10V-30V
Data- Data-
Data+ Data+
RS 232 wire connection
Host pin2 (RXD)
Host pin3 (TXD)
Host pin5 (GND)
Host Computer
1
6
2
7
3
8
4
9
5
Male 9-pin D-sub
Com 1/2/3/4 or
UART port
7000 Bus Converter User's Manual (Version 1.8 Jan/2006, 7PH-006-18) --------------- 19
11
12
13
14
15
16
7520_Pin2
7520_Pin3
17
7520_Pin5
18
19
7000
20
7520
7520R
1
2
3
4
RS-232C 5
Signal
Female 9-pin D-sub
GND
10
+VS
9
Data-
8
Data+
7
Init*
6
5
4
3
2
1
GND 10
+VS 9
8
7
6
6
7
5
8
4
9
3
2
Date-
1
Date+
GND
24V
External power
RS-485
Signal