Connection Tables; Power And Communications; Rs232/Rs485 Converter; Connecting One Excel 4 To Another - TDSi EXcel4 User Manual

5 Connection tables

5.1.1

Power and communications

EXcel
4
terminal
1
2
3
4
5
6
7
8
9
10
11
5.1.2 MA-45 RS232/RS485 converter
MA-45
1
2
3
4
5
5.1.3 Connecting one EXcel
connections apply for all EX series)
4
EXcel
3
4
1
2
5.1.4

RS232 to EXcel

PC 9-way
2
3
5
Function
RS485A TX
RS485B TX
RS485A RX
RS485B RX
RS232 COMMS 0V (SG)
RS232 RX
RS232 TX
RS232 RTS
RS232 CTS
12V DC Power Supply IN
0V In Power Supply Ground
EXcel 4
2
1
4
3
No connection
4
EXcel
3
4
1
2
4
PC 25-way
3
2
7
EXcel4 Controller
Notes
The descriptions "A" and "B" are not
always consistent between various
manufacturers. To avoid problems,
always follow the pin-to-pin tables in
this manual.
to another
4
EXcel 4 terminal Function
7 Receive
6 Transmit
5 Ground
(the same pin
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