Input Signal Details - Mitsubishi Electric MELSEC iQ-R Series User Manual

Input signal details

The following shows the details on the input signals from a high speed data logger module to a CPU module.
Module READY (X0)
This signal turns ON when a high speed data logger module becomes ready after powering OFF to ON or resetting the CPU
module.
This signal turns OFF when a watchdog timer error occurred.
SD memory card status (X1)
This signal turns ON when an SD memory card is inserted and 'File access status' (X2) is OFF.
It turns OFF when an SD memory card is not inserted or 'File access status' (X2) is ON.
File access status (X2)
● This signal turns ON while file access is stopped.
The following operation can be performed while file access is stopped.
• SD memory card insertion/ejection (MELSEC iQ-R High Speed Data Logger Module User's Manual (Startup))
While file access is stopped, the status will be as follows.
• SD memory card read/write-protected
• Module operating status is stopped
● This signal turns OFF when a file becomes accessible.
'File access stop request' (Y2)
'File access status' (X2) (In operation)
'Module operating status' (X5) (In operation)
'SD memory card status' (X1)
*1 The following operation can be performed.
 Replacement of an SD memory card
*2 This signal turns ON by updating the settings.
APPX
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Appendix 2 Input/Output Signals
*1
(Stopped) (In operation)
*2
(Stopped)
(In operation)