Autonics TM Series Podręcznik - Strona 7
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TM Series
Communication Setting
It is for parameter setting and monitoring via external devices (PC, PLC, etc.).
Interface
Comm. protocol
Connection type
Application standard
Max. connection
Synchronous method
Comm. method
※It is not allowed to set overlapping communication address at the same communication line.
Use twisted pair wire for RS485 communication.
Application of system organization
Computer
※ It is recommended to use Autonics communication converter; SCM-US48I (USB to RS485 converter, sold separately),
SCM-38I (RS232C to RS485 converter, sold separately), SCM-US (USB to Serial converter, sold separately).
Please use twisted pair wire for RS485 communication.
Communication Address Setting
Set the communication address by the communication address setting switch (SW1) and Communication address group switch (SW2).
When setting as 0, it does not operate communication.
(setting range: 01 to 31, factory default: [SW1] 1, [SW2] +0)
SW1
SW2
0
1
+0
00 01 02 03 04 05 06 07 08 09 10 11
+16
+0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
+16
Caution for Communication Address Setting
When changing communication address via the Power/Comm. terminal, resupply the power.
H-16
Modbus RTU
RS485
Compliance with EIA RS485
31 units (address: 01 to 31)
Asynchronous
Two-wire half duplex
RS232C
or USB
RS485
Comm.
converter
B(-)
OFF
ON
A(+)
2
3
4
5
6
7
Comm. distance
Max. 800m
Comm. speed
2400, 4800, 9600 (default), 19200, 38400 bps
Start bit
1-bit (fixed)
Data bit
8-bit (fixed)
Parity bit
None (default), Odd, Even
Stop bit
1-bit, 2-bit (default)
Terminating resistance
(100 to 120Ω)
A(+) B(-)
A(+) B(-)
RS485
RS485
DEVICE
DEVICE
#1
#2
8
9
A
B
C
D
E
12 13 14 15
B(-)
A(+)
A(+) B(-)
RS485
DEVICE
#30
F
RS485
DEVICE
#31