TECO TP03 PLC User Manual

Chapter 8 Special Relay
Special relay
8-8
Communication and link (D) I
For RS485 port
For expansion communication port
Device No. Function Operation
8120 Communication format RS485 communication port 89Hex
8121 Address Read-only default: 01
8122
Remaining data number of RS485
sending data
8123
Number of RS485 Data
received
8124 Start character
RS485 communication port, RS instruction
02Hex
8125 End character
RS485 communication port, RS instruction
03Hex
8129 Communication watchdog time
RS485 communication port, RS and MBUS
instruction
Device No. Function Operation
8320 Communication format
Expansion communication port（RS485/RS232）
89Hex
8321 Address PC/PDA communication port 89HEx
8322
Remaining data number of
sending data
Expansion communication port
8323
Number of RS485 Data
received
Expansion communication port
8324 Start character
Expansion communication port, RS instruction
02Hex
8325 End character
Expansion communication port RS
instruction 03Hex
8329 Communication watchdog time
Expansion communication port ( RS and
MBUS)

TECO TP03 PLC Specifications

General

Brand	TECO
Model	TP03 PLC
Category	Controller
Language	English