Rs-232 communciations with a plc-5, Rs-232 communications with a plc-5 – Rockwell Automation 2707-M232P3_M485P3 DTAM Micro Operator Interface Module User Manual
Page 69
Connections and Setup
Chapter 7
Communication
7–7
The DTAM Micro and PLC-5 must be set as follows for communications
to occur:
RS-232C
DTAM Micro
PLC-5
Cable (Catalog No. 2707-NC3)
Channel 0
RS-232 Version
DTAM Micro
The DTAM Micro must have an application with a PLC5-DF1 operating
system installed. The Baud Rate and Parity of the DTAM Micro and PLC-5
must be set the same.
PLC-5
Channel 0 must be set as follows (NA = Not Applicable):
Parameter
Setting
Comments
Channel Configuration Option
System DF1 Pt-Pt
Required for proper operation.
Diagnostic File
3-999
Must be a unique integer file number.
Remote Mode change
Disabled
Required for proper operation.
Mode Atten. Character
NA
Not used with Remote Mode disabled.
System Mode Character
NA
Not used with Remote Mode disabled.
User Mode Character
NA
Not used with Remote Mode disabled.
Baud Rate
See Comments
DTAM Micro must be set the same.
Stop Bits
1
Required for proper operation.
Parity
See Comments
DTAM Micro must be set the same.
Control Line
No Handshaking
Required unless communication cable
loops back control signals.
Duplicate Detect
NA
User definable per system requirements.
ACK Timeout
NA
User definable per system requirements.
Message Timeout
NA
User definable per system requirements.
Error Detect
CRC
Required for proper operation.
NAK Receive
NA
User definable per system requirements.
DF1 ENQs
NA
User definable per system requirements.
RS-232 Communications
with a PLC-5