Mitsubishi Electric MELSEC Q Series User Manual page 166

8 TROUBLESHOOTING
Item
RUN Same as the one of the actual RUN LED
DATA ERR At write data error occurrence
CH1 RUN When CH1 PID control is exercised
CH1 ALM1 When CH1 Alert1 is on
CH1 ALM2 When CH1 Alert2 is on
CH1 ALM3 When CH1 Alert3 is on
CH1 ALM4 When CH1 Alert4 is on
CH1 LBA When CH1 Loop disconnection is detected
CH1 HBA When CH1 Heater disconnection is detected
CH2 RUN When CH2 PID control is exercised
CH2 ALM1 When CH2 Alert1 is on
CH2 ALM2 When CH2 Alert2 is on
CH2 ALM3 When CH2 Alert3 is on
CH2 ALM4 When CH2 Alert4 is on
CH2 LBA When CH2 Loop disconnection is detected
CH2 HBA When CH2 Heater disconnection is detected
: Only when the Q64TCTTBW/Q64TCRTBW is used
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(3) H/W Information (When using GX Developer Version 6 or later)
(a) Hardware LED information
The hardware LED information gives the following information.
Condition on which value turns to 1
(b) Hardware switch information
Shows the intelligent function module switch 1 setting states.
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Item Condition on which value turns to 1
H/W ERR At hardware error occurrence
CH3 RUN When CH3 PID control is exercised
CH3 ALM1 When CH3 Alert1 is on
CH3 ALM2 When CH3 Alert2 is on
CH3 ALM3 When CH3 Alert3 is on
CH3 ALM4 When CH3 Alert4 is on
CH3 LBA When CH3 Loop disconnection is detected
CH3 HBA When CH3 Heater disconnection is detected
CH4RUN When CH4 PID control is exercised
CH4 ALM1 When CH4 Alert1 is on
CH4 ALM2 When CH4 Alert2 is on
CH4 ALM3 When CH4 Alert3 is on
CH4 ALM4 When CH4 Alert4 is on
CH4 LBA When CH4 Loop disconnection is detected
CH4 HBA When CH4 Heater disconnection is detected
MELSEC-Q
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