Mitsubishi Electric MELSEC iQ-R Series User Manual page 320

Ex.
To generate a heater disconnection alert when 'CT1 Heater current process value' (Un\G2030) becomes 80 (8.0A) or lower
while 'CT1 Reference heater current value' (Un\G2054) has been set to 100 (10.0A), set the following value:
• 'CH1 Heater disconnection alert setting' (Un\G2004): 80(%)
Heater
disconnection
= 100 -
alert setting
When 0 is set, heater disconnection detections and output off-time current error detections are not executed.
■Default value
The default value is 0 (%).
CH1 Heater disconnection judgment mode
Set whether to execute the heater disconnection judgment in the normal mode or the high accuracy mode. For details on the
heater disconnection detection function, refer to the following:
Page 86 Heater Disconnection Detection Function
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory area name
CH Heater disconnection judgment mode
CH Heater disconnection judgment mode (in the Q compatible mode)
■Setting range
• 0: Normal mode
• 1: High accuracy mode
■Enabling the settings
Turn ON and OFF 'Setting change command' (YB) in the setting mode ('Setting/operation mode status' (X1): OFF) to enable
the settings.
■Default value
The default value is Normal mode (0).
APPX
318
Appendix 3 Buffer Memory Areas
Heater current
Reference heater
-
process value
current value
Reference heater current value
100 - 80
100 = 100 -
CH1 CH2
2005 2008
1051 1067
100 = 80(%)
100
CH3 CH4
2011 2014
1083 1099