User's Manual
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Document Title Here
Document Title Here
ACR32
1
-
User Manual
Version 1.00
Page 9 of 11
info@acs.com.hk
www.acs.com.hk
Signal Signal Name Signal Description Signal Level
1 RS232/485 Port 1: 3.3V or open->RS232, 0V-> RS485 3.3V logic
2 TXD1 RS232 Port 1, Data Transmit RS-232 signal standard
3 RXD1 RS232 Port 1, Data Receive RS-232 signal standard
4 RS485-A RS485 Non-inverting, Port 1 RS485 signal standard
5 RS485-B RS485 Inverting, Port 1 RS485 signal standard
6 GND Digital Ground Digital Ground for Serial port interface
7 TXD2 RS232 Port 2, Data Transmit RS-232 signal standard
8 RXD2 RS232 Port 2, Data Receive RS-232 signal standard
9 GND Digital Ground Digital Ground for Serial port interface
10 N.C. No connection
11 N.C. No connection
12 N.C. No connection
13 N.C. No connection
14 N.C. No connection
15 Reserved (Don't connect)
16 N.C. No connection
17 N.C. No connection
18 N.C. No connection
19 Reserved (Don't connect)
20 Reserved (Don't connect)
21 Reserved (Don't connect)
22 Reserved (Don't connect)
23 OUTPUT-8 OUTPUT port 8 3V/5V Logic Level
24 OUTPUT-7 OUTPUT port 7 3V/5V Logic Level
25 OUTPUT-6 OUTPUT port 6 3V/5V Logic Level
26 OUTPUT-5 OUTPUT port 5 3V/5V Logic Level
27 N.C. No connection
28 N.C. No connection
29 N.C. No connection
30 N.C. No connection