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: The RS-485 baud rate of Modbus RTU in I-7242D is indicated on this
LED display. The mapping table between LED number and RS-485 baud
rate is displayed in table 2-11.
7-Segment LED Number
Step 3. The first three LED displays show the string "ER-" and others display
the error code. The error code is described in table 2-12.
Error code
If any message sent from I-7242D to Modbus devices has been lost, the
LED display will be changed and display as the following form. Table 2-13
shows the meaning of these LED displays.
7-segment Num
Device address
Data-lose counter
I-7242D DeviceNet/Modbus RTU Gateway User's Manual, July 2006, Version 1.1
Table 2-11
0
1
2
3
4
5
6
7
Table 2-12
00
No Error
01
EEPROM data error. Use default setting
02
CAN Hardware Initial Error
Table 2-13
"E"
Character 'E' means Error
Modbus device address in hex format.
Number of Data-lose of Modbus devices
in hex format.
I-7242D user manual
Baud rate (bps)
1200
2400
4800
9600
19200
38400
57600
115200
Description
Description
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