5 - 59
5 Advanced Operations
E5@C Digital Temperature Controllers User’s Manual (H174)
5-
21 Co
nt
ro
llin
g V
alves
(Can
Be Used
with
a P
o
sitio
n
-p
ro
p
o
rt
io
nal Mo
del)
5
z
PV Dead Band
When the PV enters the PV dead band, any unnecessary output is stopped to prevent the valve
from deteriorating.
z
Manual MV, MV at Stop, and MV at PV Error
Refer to the following sections.
Manual PV:
5-12-1 Manual MV
MV at Stop and MV at PV Error:
5-15 Output Adjustment Functions
z
Related Displays and Parameters
* Motor calibration not performed, potentiometer not connected, or potentiometer input error.
Parameter name
Display
Set (monitor) values
Default
Level
Close/Floating
clfl
FLOT: Floating control
CLOS: Close control
FLOT
Initial Setting
Level
Motor Calibration
calb
OFF
ON
ERR (Error occurred.)
OFF
Travel Time
mot
0 to 999 (s)
30
Valve Opening Monitor
V-m
Normal:
−
10.0% to 110.0%
Error: ----*
---
Operation Level
Position Proportional Dead
Band
db
Close control: 0.1% to 10.0%
4.0
Adjustment Level
Floating control: 0.1% to
10.0%
2.0
Open/Close Hysteresis
oc-h
0.1 to 20.0
0.8
PV Dead Band
p-db
0 to 9999
0.0
Advanced
Function Setting
Level
0
Position Proportional
Dead Band
−
100%
OFF
ON
100%
MV − Valve opening
Open/Close Hysteresis
SP
PV
Unnecessary output is
stopped in this range.
PV Dead Band
Summary of Contents for E5C series
Page 2: ......
Page 18: ...Conventions Used in This Manual 16 E5 C Digital Temperature Controllers User s Manual H174 ...
Page 34: ...1 Introduction 1 10 E5 C Digital Temperature Controllers User s Manual H174 ...
Page 310: ...6 Parameters 6 94 E5 C Digital Temperature Controllers User s Manual H174 ...
Page 326: ...7 User Calibration 7 16 E5 C Digital Temperature Controllers User s Manual H174 ...
Page 364: ...A Appendices A 38 E5 C Digital Temperature Controllers User s Manual H174 ...
Page 365: ...Index 1 E5 C Digital Temperature Controllers User s Manual H174 I Index ...
Page 370: ...Index 6 E5 C Digital Temperature Controllers User s Manual H174 ...