Mitsubishi Electric MELSEC-Q series User Manual page 112

(11)Warning output setting (Un\G48)
Set whether to enable or disable the warning output (process alarm and rate alarm) for each channel.
For details on the warning output function, refer to the following.
• Warning Output Function (
(a) Enabling the setting
Turn on then off Operating condition setting request (Y9) to enable the setting.
(b) Default value
All channels are set to Disable (1).
(12)Input signal error detection flag (Un\G49)
Input signal status can be checked with this flag for each channel.
For details on the input signal error detection function, refer to the following.
• Input Signal Error Detection Function (
(a) Input signal error detection flag (Un\G49) status
• When a CT input value out of the input range is detected, Input signal error detection flag (Un\G49)
corresponding to each channel turns to Input signal error (1).
• When an error is detected in any channels in which the digital conversion or input signal error detection is
enabled, Input signal error detection signal (XC) turns on.
(b) Clearing Input signal error detection flag (Un\G49)
To clear Input signal error detection flag (Un\G49), turn on then off Error clear request (YF) when the CT input
value is within the measurement range.
Input signal error detection flag (Un\G49) is also cleared by turning on then off Operating condition setting
request (Y9).
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Page 51, Section 4.10)
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5
CH8 CH7 CH6 CH5 CH4 CH3 CH2
Rate alarm setting
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5
0 0 0 0 0 0 0
b8 to b15 are fixed to "0".
b4 b3 b2
CH1 CH8 CH7 CH6 CH5 CH4 CH3
Process alarm setting
0: Enable
1: Disable
Page 42, Section 4.6)
b4 b3 b2
0 CH8 CH7 CH6 CH5 CH4 CH3
0: Normal
1: Input signal error
b1 b0
CH2 CH1
b1 b0
CH2 CH1