Jetter JC-120MC User Manual page 420

10 Programming
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420
Module register properties
Type of access Only 0 can be entered.
Register number of the module where the error has occurred
If during communication with an I/O module an error occurs, the controller
enters the number of the module register into this register. An error might
occur in the following cases:
 Read/write access to module registers of a JX3 module
Values
-1 ... 9999 Module register number of the JX3 module
Module register properties
Type of access Only 0 can be entered.
Value after reset -1
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