Azbil C35 Series User Manual

5-62
Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION
Operation type Set value of
operation
type
Direct action Reverse action
Loop diagnosis 2 21 The event is turned ON when any change in PV corresponding to increase/decrease in
Manipulated variable (MV) is not observed.
This event is used to detect any fault at the operation end.

Setting items
• Main setting: Manipulated variable (MV)
• Sub-setting: Change in PV from the point that the MV exceeds the main setting.
• ON delay time: Diagnosis time

Operation specifications
The event is turned ON when the MV exceeding the main setting is held (conditions 2)
and the PV does not reach the value that the sub-setting is added to (subtracted from)
the PV at the point that the MV exceeds the main setting within the diagnosis time
(ON delay time) (conditions 1).

CAUTION
When setting the ON delay, it is necessary to put in "High function configuration".
The default setting of the ON delay before shipment is 0.0s.
PV to be used
as reference
Main setting
Time
Conditions 3
ON delay
set time
ON delay is started when conditions 1 and 2 are satised.
Area satisfying
conditions 1
Sub-setting
(0 or more)
Area satisfying
conditions 2
Time
Time
PV
MV
EV
ON
HYS
Heat control
Main setting
Time
Conditions 3
ON delay
set time
ON delay is started when conditions 1 and 2 are satised.
Area satisfying
conditions 1
Area satisfying
conditions 2
Time
Time
PV
MV
EV
ON
HYS
Sub-setting
(0 or more)
PV to be used
as reference
Cool control
(Continue on next page.)

Azbil C35 Series Specifications

General

Brand	Azbil
Model	C35 Series
Category	Controller
Language	English