Parts Identification - Mitsubishi Electric MELSEC Q Series User Manual

4 SETUP AND PROCEDURE BEFORE STARTING THE OPERATION

4.3 Parts Identification

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Number
1) RUN LED
2) ERR. LED
3) ALM LED
4) HBA LED
5) Terminal block 1
Cold junction temperature
6)
compensation resistor
7) Serial number plate
1: The terminal block layout varies with the module used.
Respective terminal block layouts are indicated on the following pages.
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This section explains the names of the Q64TC parts.
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Name
Indicates the operating status of the Q64TC
On: Operating normally.
Off: 5V power is off, watchdog timer error occurred, or CPU stop error occurred
Indicates the error status of the Q64TC
On
Flicker : Write data error occurring
Off
Indicates the alert status of the Q64TC
On
Flicker : Process value (PV) came out of measured temperature range.
Off
Indicates the heater disconnection detection status of the Q64TCTTBW and
Q64TCRTBW.
On: Heater disconnection was detected.
Off: Heater disconnection is not detected.
Used for temperature sensor input, transistor output and current sensor (CT)
input.
Used when cold junction temperature compensation is made.
Indicates the serial No. of the Q64TC.
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Description
with intelligent function module switches of all channels set to "CLEAR".
: Hardware fault (Including no connection of a cold junction temperature
compensation resistor)
: Operating normally.
: Alert occurring
Loop disconnection was detected.
Sensor is not connected.
: Alert not occurring
MELSEC-Q
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