ICP DAS USA ET-7000 series, Руководство пользователя

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Appendix D: Modbus Application Notes
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104
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137
AO address
40557
of the ET-7000 series Modbus register is the address of the
Host
Watchdog
timer, and will be stored into EEPROM. The WDT function will be disabled if the
value is set to less then
5
seconds.
Power ON Value
If the ET-7000 series module is reset, the output of the module is set to the predefined Power
ON Value for the DO and AO channels. DO address
00435
of the ET-7000 series Modbus
register is the first address of the Power ON value, and the total number of channels depend
on the type of module.
For example:
Addresses
00435
to
00438
records the Power ON value for the 4-Channel ET-7017.
Be careful to set the ON value to DO address
00431
to write the DO Power ON value to the
EEPROM of the ET-7000 DO module after using Modbus commands (05 or 15) to change the
Power ON value.
z
Configuration via Web page
Browse to the homepage of the ET-7000, and click the “Modbus I/O Settings” link in the
Configuration Section of the Main Menu tree.
Click the ON/OFF radio box to set the power ON/OFF value and then click the
button to enable the settings to take effect.