Mitsubishi MELSEC-Q Series User Manual page 81

4
SETUP AND PROCEDURES BEFORE OPERATION
* 1 When inputting a value using such as a standard DC voltage generator, or using without cold
junction temperature compensation on actual use, set it to "without cold junction compensation".
* 2 The mode switching (normal mode to offset/gain setting mode to normal mode) method is indicated
below.
Mode switching method
Dedicated instruction (G(P).OFFGAN)
Setting the mode switching setting (Un\G158, Un\G159) and turning from
OFF to ON the operating condition setting request (Y9).
Intelligent function module switch setting
(After setting the intelligent function module switch, reset or turn from OFF
to ON the programmabel controller CPU.)
* 3 For the conversion enable/disable setting of unused channels or channels not executing the offset/
gain setting, always set it to "disable".
If all channels are set to "enable", the bit of the disconnection state monitor flag (Un\G49) turns
ON(1) for the channel that is not connecting the thermocouple.
* 4 Buffer memory address of channel 1 only is indicated in the chart. For buffer memory address of
other channels, refer to Section 3.4.1 Buffer memory assignment.
Table 4.5 Mode switching method
4.6 Offset/Gain Setting
1
Refer to
2
(2)(a) of this
section
(2)(b) of this
section
Section 4.5,
(2)(c) of this
section
3
4
5
6
7
8
4
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