Autonics TM4 Series User Manual

6 Parameter Settings and Functions
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6.5 Communications
 This feature is used for external higher systems (PC, GP, etc.) to set the controller's
parameters and to monitor the controller. It can also be used to external devices.
 No redundant unit addresses may exist along the same communication line. The
communication cable must be a twist pair that supports RS485.
Interface
Category Description
Standards EIA RS 485-compliant
Max. Connections 31 (Address: 01 ~ 31)
Communication Two-wire, half duplex
Synchronization Asynchronous
Valid Communication
Distance
Max. 800 m
BPS (Bits Per Second) 2400, 4800, 9600, 19200, 38400 bps
Response Standby 5 ms to 99 ms
Communication Start Bit 1 bit (fixed)
Data Bit 8 bit (fixed)
Communication Parity Bit None, Even, Odd
Communication Stop Bit 1, 2 bit
Protocol Modbus RTU (character = 11 bit. fixed)
6.5.1 Communication Exchange Number Settings
 You can assign a unique address to each device.
 Users can set communication address using both SW1 (communication address
setting switch) and SW2 (communication group change switch).
 Setting range: 01 ~ 31
 Factory default 01

Autonics TM4 Series Specifications

General

Brand	Autonics
Model	TM4 Series
Category	Temperature Controller
Language	English