LSIS 6731001500, User Manual

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377
RS-485 Communication Features
Exception Code
Code
01: ILLEGAL FUNCTION
02: ILLEGAL DATA ADDRESS
03: ILLEGAL DATA VALUE
06: SLAVE DEVICE BUSY
14: Write-Protection
Example of Modbus-RTU Communication In Use
When the Acc time (Communication address 0x1103) is changed to 5.0 sec and the Dec time
(Communication address 0x1104) is changed to 10.0 sec.
Frame Transmission from Master to Slave
Item
Station
ID
Function
Starting
Address # of
Register Byte
Count
Data 1 Data 2 CRC
Hex 0x01 0x10 0x1102 0x0002 0x04 0x0032 0x0064 0x1202
Des
cript
ion
COM-
01
Int485
St ID
Preset
Multiple
Register Start
Address-1
(0x1103-1)
- -
50
(Acc time
5.0 sec) 100
(Dec time
10.0 sec)
-
Frame Transmission from Slave to Master
Item Station Id Function Starting Address # of Register CRC
Hex 0x01 0x10 0x1102 0x0002 0xE534
Description
COM-01 Int485
St ID Preset Multiple
Register Starting Address-1
(0x1103-1)
- -