Chapter 6
Communication Connections and Setup
6–7
The DTAM Plus and PLC-5 must be set as follows for communications
to occur:
RS-232
DTAM Plus
PLC-5
Channel 0
RS-232 / RS-485 Versions
RS–232 or
RS-422
or RS-485
Cable
Use Catalog No. 2707-NC3 for RS-232
Use Catalog No. 2707–NC4 for RS-422
DTAM Plus
The DTAM Plus must have an application with a PLC-5 (DF1) operating
system installed. The Baud Rate and Parity of the DTAM Plus and PLC-5
must be the same. The DTAM Plus can use either the RS-232 or RS-485
port:
DTAM Plus Comm Port
PLC Channel 0
RS-232
RS-232
RS-485
RS-422
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 Plus must be set the same.
Stop Bits
1
Required for proper operation.
Parity
See Comments
DTAM Plus 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 or RS-422
Communications With a
PLC-5
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