Disconnection State Monitor Flag (Un\G49) - Mitsubishi MELSEC-Q Series User Manual

3
SPECIFICATIONS
3.4.14
(1) The disconnection state monitor flag of the corresponding channel
(2) Disconnection state monitor is executed on conversion-enabled
(3) Disconnection state can be checked on each channel.
(4) If disconnection state is confirmed on any of conversion-enabled
(5) When the operating condition setting request (Y9) or the error clear
(6) The relationships between the disconnection state monitor flag and
Table 3.12 Relatinships between the disconnection state monitor flag and conversion enable/disable setting
Connection state
Without disconnection
With disconnection
Without connection
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- 39 3.4 Buffer Memory

3.4.14 Disconnection state monitor flag (Un\G49)

Disconnection state monitor flag (Un\G49)
turns ON(1) when the disconnection state of the thrmocouple or
compensation conductor is confirmed.
channels only.
channels, the disconnection state monitor signal (XC) turns ON.
For a channel where disconnection state is confirmed, a value based on
the disconnection state conversion setting (Un\G164, Un\G165) is stored
in the CH measured temperature value (Un\G11 to Un\G18).
Conversion of the channels not disconnected is continued.
b15 b14 b13 b12 b11 b10
0 0 0 0 0
Data for b8 to b15 is fixed to "0".
request (YF) is turned ON, the disconnection state monitor flag is
cleared.
conversion enable/disable are indicated below.
+
-
+
-
+
-
b9 b8 b7 b6
0 0 0 CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1
Conversion enable/disable setting
Conversion enabled
Conversion disabled
Conversion enabled
Conversion disabled
Conversion enabled
Conversion disabled
b5 b4 b3 b2 b1
0: Normal
1: Disconnection
Disconnection state monitor flag
OFF
ON
OFF
ON
OFF
b0