Fuji Electric FRENIC-HVAC User Manual page 549

Frenic-hvac series
Hide thumbs Also See for FRENIC-HVAC:
Table of Contents

Advertisement

Data for
Alarm
J521/J621/J671
5
Deviation alarm (PV)
(with Hold)
6
Deviation alarm (PV)
(with Latch)
7
Deviation alarm (PV)
(with Hold and
Latch)
8
Absolute-value alarm
(SV)
9
Absolute-value alarm
(SV) (with Hold)
10
Absolute-value alarm
(SV) (with Latch)
11
Absolute-value alarm
(SV) (with Hold and
Latch)
12
Absolute-value alarm
(MV)
Absolute-value alarm
13
(MV) (with Hold)
14
Absolute-value alarm
(MV) (with Latch)
15
Absolute-value alarm
(MV) (with Hold and
Latch)
SV: Process command value, PV: Feedback value, MV: Manipulated value
Hold: During the power-on sequence, the alarm output is kept OFF (disabled) even when
the monitored quantity is within the alarm range. Once it goes out of the alarm range,
and comes into the alarm range again, the alarm is enabled.
Latch: Once the monitored quantity comes into the alarm range and the alarm is turned ON,
the alarm will remain ON even if it goes out of the alarm range. To release the latch,
perform a reset by using the
Resetting can be done by the same way as resetting an alarm.
6.3 Details of Function Codes
Description
Same as above (with Hold)
Same as above (with Latch)
Same as above (with Hold and Latch)
While SV < AL or AH < SV, EPV1-ALM is ON.
Same as above (with Hold)
Same as above (with Latch)
Same as above (with Hold and Latch)
While MV < AL or AH < MV, EPV1-ALM is ON.
Same as above (with Hold)
Same as above (with Latch)
Same as above (with Hold and Latch)
key or turning the terminal command RST ON.
6-239

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents