Watlow ez-zone pm - Page 83

Watlow EZ-ZONE
®
PMI Controller • 79 • Chapter 5 Operations Page
Operations Page
Display
Parameter Name
Description
Range Default
Modbus
Relative Ad-
dress
CIP
Class
Instance
Attribute
hex (dec)
Pro-
fibus
Index
Pa-
ram-
eter
ID
Data
Type
and
Ac-
cess
**
h.hy
h.hy
Control Loop (1 to
2)
On/Off Heat Hys-
teresis
Set the control
switching hyster-
esis for on-off con-
trol. This deter-
mines how far into
the “on” region
the process value
needs to move
before the output
turns on.
0.001 to
9,999.000°F or units
0.001 to
5,555.000°C
3.0°F
or units
2.0°C
Instance 1
Map 1 Map 2
1900 2380
Instance 2
Map 1 Map 2
1970 2450
0x97
(151)
1 to 2
0xB (11)
66
8010 float
RWES
C.pb
C.Pb
Control Loop (1 to
2)
Cool Proportional
Band
Set the PID propor-
tional band for the
cool outputs.
0.001 to
9,999.000°F or units
0.001 to
5,555.000°C
25.0°F
or units
14.0°C
Instance 1
Map 1 Map 2
1892 2372
Instance 2
Map 1 Map 2
1962 2442
0x97
(151)
1 to 2
7
67
8012 float
RWES
C.hy
C.hy
Control Loop (1 to
2)
On/Off Cool Hys-
teresis
Set the control
switching hyster-
esis for on-off con-
trol. This deter-
mines how far into
the “on” region
the process value
needs to move
before the output
turns on.
0.001 to
9,999.000°F or units
0.001 to
5,555.000°C
3.0°F
or units
2.0°C
Instance 1
Map 1 Map 2
1902 2382
Instance 2
Map 1 Map 2
1972 2522
0x97
(151)
1 to 2
0xC (12)
68
8013 float
RWES
ti
ti
Control Loop (1 to
2)
Time Integral
Set the PID inte-
gral for the out-
puts.
0 to 9,999 seconds
per repeat
180 sec-
onds per
repeat
Instance 1
Map 1 Map 2
1894 2374
Instance 2
Map 1 Map 2
1964 2444
0x97
(151)
1 to 2
8
69
8006 float
RWES
** R: Read, W: Write, E: EEPROM, S: User Set