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10 TEST FUNCTION
10.1 External Input/Output Forced On/Off Function
10 TEST FUNCTION
10.1 External Input/Output Forced On/Off Function
External inputs/outputs can be forcibly turned on and off from the engineering tool. This function enables input devices to be
turned on and off regardless of the on/off state of the external inputs and enables the external outputs to be turned on and off
regardless of the operation result of a program.
The external input/output forced on/off function is available for MELSEC iQ-R series modules and Q series
modules mounted on an extension base unit.
Before executing the external input/output forced on/off function, check the versions of the CPU module and
engineering tool used. ( Page 1008 Added and Enhanced Functions)
• When using the Process CPU (redundant mode), refer to the following as well.
Page 435 FUNCTIONS
(External input) (External output)
(1) Turn off X0 forcibly.
(2) The input device is turned off regardless of the on/off state of the external input.
(3) Turn on Y0 forcibly.
(4) The external output is turned on regardless of the operation result of the program.
RnCPU
RnENCPU
RnPSFCPU RnPSFCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety) (Standard) (Safety)
(Redundant)
(Process)
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