101
CHAPTER 8 FUNCTIONS
8
8.9 Inp
ut Signal Err
or De
tection F
unct
ion
8.9
Input Signal Error Detection Function
This function detects a disconnection of an analog input signal.
The following figure schematically shows how the input signal error detection works in the main A/D converter module.
Error
detected
Input signal error detection flag
(CH1 lower limit flag)
(RWrA.b1)
Input signal error detection signal
(RX1C)
CH1 A/D conversion completed flag
(RX10)
Error clear request flag
(RYA)
Time
Input value is
normal.
Controlled by the A/D
converter module
Detection range
Out of detection range
Included
Analog input value
CH1 Analog input value
Input value is
normal.
ON
ON
OFF
ON
ON
OFF
ON
OFF
ON
ALM LED
Latest warning code
(RWr1)
Remote READY
(RXB)
0B31H
0
Lights out
Flashing
Lights out
OFF
OFF
0
Condition of
disconnection detection
OFF
OFF
Summary of Contents for NZ2EX2B-60AD4
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