Watlow ez-zone pm - Page 84

Watlow EZ-ZONE
®
PMI Controller • 80 • 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
**
td
td
Control Loop (1 to
2)
Time Derivative
Set the PID deriva-
tive time for the
outputs.
0 to 9,999 seconds 0
seconds
Instance 1
Map 1 Map 2
1896 2376
Instance 2
Map 1 Map 2
1966 2446
0x97
(151)
1 to 2
9
70
8007 float
RWES
db
db
Control Loop (1 to
2)
Dead Band
Set the offset to
the proportional
band. With a nega-
tive value, both
heating and cool-
ing outputs are
active when the
process value is
near the set point.
A positive value
keeps heating and
cooling outputs
from fighting each
other.
-1,000.0 to
1,000.0°F or units
-556 to 556°C
0.0 Instance 1
Map 1 Map 2
1898 2378
Instance 2
Map 1 Map 2
1968 2448
0x97
(151)
1 to 2
0xA (10)
71
8008 float
RWES
o.sp
o.SP
Control Loop (1 to
2)
Manual Power
Set a fixed level
of output power
when in manual
(open-loop) mode.
-100 to 100% (heat
and cool)
0 to 100% (heat
only)
-100 to 0% (cool
only)
0.0 Instance 1
Map 1 Map 2
2162 2642
Instance 2
Map 1 Map 2
2242 2722
0x6B
(107)
1 to 2
2
51
7002 float
RWES
No Dis-
play
Control Loop (1 to
2)
Loop Error
Open Loop detect
deviation has been
exceeded.
nonE None (61)
Lp.o Open Loop
(1274)
Lp.r Reversed Sen-
sor (1275)
- - - -
Instance 1
Map 1 Map 2
1928 2408
Instance 2
Map 1 Map 2
1998 2478
0x6C
(108)
1
0x30 (48)
- -
- -
8048
uint
R
No Dis-
play
Control Loop (1 to
2)
Clear Loop Error
Current state of
limit output.
CLr Clear (129)
ignr Ignore (204)
- - - -
Instance 1
Map 1 Map 2
1930 2410
Instance 2
Map 1 Map 2
2000 2480
0x6C (108)
1
0x31 (49)
- - - - 8049
uint
W
** R: Read, W: Write, E: EEPROM, S: User Set