Chapter 7 System setup
7 - 11
The solution for each error code
Table 7.5 The solution for each error code
Please eliminate the source of a noise, reboot on a power supply, and see
Please check s parameter.
Sending data area setting
error
Please check s parameter. (designation of sending data area)
Sending data area range
error
Receiving data area setting
error
Please check s parameter. (designation of receiving data area)
Receiving data area range
error
Please check whether there is any overlap in s parameter, t parameter,
sending data area, and receiving data area.
Please enlarge time of the command timeout of s parameter.
Please enlarge send data area size of s parameter.
Designated Invalid
command
Please check the command of s parameter.
Please make into less than 8 sets the number of EH-SIO currently operated
in Modbus slave mode, Hi-Protocol mode, Simple data link mode.
* When at least less than eight sets of this error come out, please once turn
off a power supply.
Please check the command of s parameter.
Please check whether initial setting of a port has ended.
Please check whether it is satisfactory to the value stored in sending data
area.
Please execute the read command and read the data of a receiving buffer.
Please check the state of the control signal of external apparatus and
connection of a connection cable.
Please check a setup of DIP Sw.
Please check the pattern of a check code and message code configuration.
Please enlarge receiving timeout time designated by initial setting.
Please check the state of the control signal of external apparatus and
connection of a connection cable.
The exception response returned from Modbus slave device. Please check
the parameter and data of send data area which are send as query.
Please check the send data of send data area. Moreover, please check the
character (Binary, ASCII) of the data sent from external device.
Designated query error
(Modbus mode)
Please check the parameter (the number of data to read and the number of
send data bytes) of send data area which send as query.
« Note »
Priority of parity error, framing error and overrun is as follows.
Parity error > Framing error > Overrun error