Mitsubishi Electric MELSEC Q Series User Manual page 168

8 TROUBLESHOOTING
bit
When CH2 Heater disconnection is detected*
b0
When CH2 Loop disconnection is detected
b1
When CH2 Alert4 is on
b2
When CH2 Alert3 is on
b3
When CH2 Alert2 is on
b4
When CH2 Alert1 is on
b5
When CH2 PID control is exercised
b6
When CH1 Heater disconnection is detected*
b7
: Only when the Q64TCTTBW/Q64TCRTBW is used
bit
When CH4 Heater disconnection is detected*
b0
When CH4 Loop disconnection is detected
b1
When CH4 Alert4 is on
b2
When CH4 Alert3 is on
b3
When CH4 Alert2 is on
b4
When CH4 Alert1 is on
b5
When CH4 PID control is exercised
b6
When CH3 Heater disconnection is detected*
b7
: Only when the Q64TCTTBW/Q64TCRTBW is used
8 - 9
Downloaded from ManualsNet.com
2) LED1 information
b15
Condition on which bit turns on
3) LED2 information
b15
Condition on which bit turns on
4) Switch information
Shows the intelligent function module switch 1 setting states.
search engine
bit Condition on which bit turns on
When CH1 Loop disconnection is detected
b8
When CH1 Alert4 is on
b9
When CH1 Alert3 is on
b10
When CH1 Alert2 is on
b11
When CH1 Alert1 is on
b12
When CH1 PID control is exercised
b13
At write data error occurrence
b14
Same as the one of the actual RUN LED
b15
bit Condition on which bit turns on
When CH3 Loop disconnection is detected
b8
When CH3 Alert 4is on
b9
When CH3 Alert3 is on
b10
When CH3 Alert2 is on
b11
When CH3 Alert1 is on
b12
When CH3 PID control is exercised
b13
At hardware error occurrence
b14
Unused
b15
MELSEC-Q
b0
b0
8 - 9