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Request
Name
code
H184(388)
Reel diameter input
H185(389)
H186(390)
H187(391)
H188(392)
H189(393)
H18A(394)
H18B(395)
H18C(396)
H18D(397)
H18E(398)
H18F(399)
Precautions
■About transmission delay
"Transmission delay" is a setting for low-speed devices that cannot respond quickly to transmission responses.
"Transmission delay" is initially set to 0 ms and it is necessary to set it with GT Designer3 (GOT2000) in order to change it.
For details on settings, refer to the following..
GOT2000 Series Connection Manual (Microcomputers, MODBUS/Fieldbus Products, Peripherals)
■Error code (MODBUS Exception Codes) returned by LE7-40GU (slave) to the MODBUS master
equipment
LE7-40GU (slave) supports the following error codes (MODBUS Exception Codes) in response to a request from the
MODBUS master equipment.
When the following errors occur, LE7-40GU will not generate a system alarm.
This section explains the contents, cause, and remedy for each error code.
• Commonly generated error codes for requests from master equipment
Error code (HEX)
Category
0x01
• Error code generated in response to a read request from the master equipment
Error code (HEX)
Category
0x02
Read/Write
• Error code generated in response to a write request from the master equipment
Error code (HEX)
Category
0x02
Read/Write
0x03
Write
Monitor/
settings
Setting
Contents
Cause
ILLEGAL FUNCTION (illegal
A function code not supported
function code)
by LE7-40GU was received.
Contents
Cause
ILLEGAL DATAADDRESS
You have accessed a device
(illegal data address)
out of range.
Contents
Cause
ILLEGAL DATAADDRESS
You have accessed a device
(illegal data address)
out of range.
ILLEGAL DATA VALUE (illegal
The consistency of the request
data value)
packet (the number of writing
points, the number of bytes of
write data and the number of
write data) is not established.
Extension
Minimum value
option
0
Remedy
A function code not supported by LE7-40GU was
received.
Remedy
Please check whether the device to be accessed is
incorrect.
Remedy
Please check whether the device to be accessed is
incorrect.
Make sure that normal packets are being transmitted
from the master equipment.
5 MODBUS/TCP (SLAVE)
5.2 Communication Setting
Maximum value
Unit
2000
mm
77
5
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