Thermocouple Type Selection - Mitsubishi Electric AJ65BT-68TD User Manual

3. SPECIFICATIONS
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3.8.6

Thermocouple type selection

The AJ65BT-68TD can select the thermocouple to use for individual channels or all channels in batch.
(1) When selecting the thermocouple to use for individual channels
The CH. "K" to "S" type thermocouple selection flags are used to select the thermocouple used
for each channel.
Only the flags corresponding to the thermocouple used at each channel are turned on.
The CH. "K" to "S" type thermocouple selection flags are valid only when the all-channel batch
"K" to "S" type thermocouple selection flag shown below is not selected.
Example) When selecting "S" type for the thermocouple used at CH. 1.
CH. type "K" to "S" thermocouple selection flag
CH.1 "K" type thermocouple selection flag
CH.1 "E" type thermocouple selection flag
CH.1 "J" type thermocouple selection flag
CH.1 "T" type thermocouple selection flag
CH.1 "B" type thermocouple selection flag
CH.1 "R" type thermocouple selection flag
CH.1 "S" type thermocouple selection flag
(2) When selecting a thermocouple for all channels in batch
The all-channel batch "K" to "S" type thermocouple selection flag is used to select types of
thermocouple to be used by all channels in batch.
Only the flags corresponding to the thermocouple to be used are turned on.
This takes priority over the CH.
POINT
When multiple thermocouple selection flags are turned on with both the CH.
thermocouple selection flag and all-channel batch "K" to "S" type thermocouple selection flag, the
write data error flag turns on. At the same time, the error status flag will turn on and the
previously selected thermocouple types will be retained.
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Signal description
"K" to "S" type thermocouple selection flag described above.
3-20
MELSEC-A
OFF
ON
"K" to "S" type