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Publication 20D-UM002C-EN-P - November 2003
Communicating with Devices on a Serial Link 9-15
Connect the ASCII device to the controller
To connect the ASCII device to the serial port of the controller:
1. For the serial port of the ASCII device, determine which pins send
signals and which pins receive signals.
2. Connect the sending pins to the corresponding receiving pins and attach
jumpers:
3. Attach the cable shield to both connectors and tie the cable to
both connectors.
4. Connect the cable to the controller and the ASCII device.
The following table lists the default serial port configuration settings for the
ASCII protocol. You specify these settings on the User Protocol tab under
Controller Properties.
If the communications: Then wire the connectors as follows:
handshake
do not handshake
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7
8
9
1 CD
ASCII Device Controller
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7
8
9
1 CD
ASCII Device Controller