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MELSEC-Q
3 SPECIFICATIONS
3.4.14 Input signal error detection flag (buffer memory address 49: Un\G49)
(1) If the analog input value detected falls outside the setting range set to the CH
input signal error detection setting value (buffer memory addresses 138 to 141:
Un\G138 to Un\G141), the Input signal error detection flag for the corresponding
channel turns to 1.
(2) By bringing the analog input value within the setting range and then turning ON
the Error clear request (YF), the Input signal error detection flag turns OFF.
(3) If the warning is detected on any one of the channels enabled for input signal error
detection and enabled for A/D conversion, the Input signal error detection signal
(XC) also turns ON.
(4) When the operating condition setting request (Y9) is turned ON, the Input signal
error detection flag is cleared.
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
CH4 CH3 CH2 CH1
0
0
0
0
0
0
0
0
0
0
0
0
For Q64AD-GH, information of b4 to b15 is fixed at 0.
For Q62AD-DGH, information of b2 to b15 is fixed at 0.
0: Normal
1: Input signal error
3.4.15 CH digital output value (32bit) (buffer memory addresses 54 to 61: Un\G54 to
Un\G61)
(1) The digital output values converted from analog to digital are stored into the buffer
memory addresses 54 to 61 (Un\G54 to Un\G61) channel by channel.
(2) The digital output value is represented in 32-bit signed binary. (The data part is 16
bits long.)
b31
b24 b23
b16 b15
b8 b7
b0
Signed bit
1: Negative
0: Positive
Data section
Bits other than data section and signed bit are 1 when value
is negative (1 in b31) or 0 when value is positive (0 in b31).
Содержание GX Configurator-AD
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