Disconnection Detection/Warning Output Setting (Buffer Memory Address 47: Un\G47); Warning Output Flag (Buffer Memory Address 48: Un\G48) - Mitsubishi Electric MELSEC Q Series User Manual

3 SPECIFICATIONS

3.4.12 Disconnection detection/Warning output setting (buffer memory address 47: Un\G47)

3.4.13 Warning output flag (buffer memory address 48: Un\G48)

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(1) Set whether to enable or disable the disconnection detection and warning output
on each channel. (Refer to Section 3.2.4 and Section 3.2.6.)
(2) To validate a value set to Disconnection detection/Warning output setting, turn
on and off Operating condition setting request (Y9). (Refer to Section 3.3.2.)
(3) The default setting is all-channel disconnection detection/warning output disable.
b15 b14 b13 b12 b11 b10
Un\G47 0 0
(1) When the digital input value falls outside CH
value (buffer memory address 86 to 89: Un\G86 to Un\G89) range, the bit
corresponding to the channel turns to "1". (Refer to Section 3.2.4.)
(2) Whether the warning is the upper or lower limit value warning can be checked on
each channel.
(3) If the warning is detected on any of the channels enabled for conversion,
Warning output signal (XE) also turns on.
(4) Turning on Operating condition setting request (Y9) or Warning output clear
request (YE) clears Warning output flag.
b15 b14 b13 b12 b11 b10
Un\G48 0 0
b9
CH2 CH1 0 0 0
1: Disconnection
detection disable
0: Disconnection
detection enable
b9
0 0 0 0 0
b4 to b15 information is fixed at 0.
b8 b7 b6 b5 b4
0 0 0 0 0
Warning output upper/lower limit
b8 b7 b6 b5 b4
CH2 CH2
lower
0 0 0 0 0
limit
value
MELSEC-Q
b3 b2 b1 b0
0 0 CH2 CH1
1: Warning output
disable
0: Warning output
enable
b2 to b11, b14 and b15
information is fixed at 0.
b3 b2 b1 b0
CH1 CH1
upper lower upper
limit limit limit
value value value
1: Warning output
0: Normal
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