Watlow F4T • 228 • Chapter 6 Appendix
Parameter Class
and Name
Range Default
Data Type and
Attributes
Modbus Registers
TRU-TUNE+ Band
0 to 100°F or units, 0 to
56°C
0
"unsigned 16-bit
Access=RW"
"Control Loop 1: 2756
Control Loop n:
2756+((n-1)* 160)"
TRU-TUNE+ Gain 1 To 6 3
"unsigned 8-bit
Access=RW"
"Control Loop 1: 2758
Control Loop n:
2758+((n-1)* 160)"
Cool Output Curve
"Off (62)
Non-linear curve 1 (214)
Non-linear curve 2
(215)"
Off (62)
"unsigned 16-bit
Access = RW"
"Control Loop 1: 2760
Control Loop n:
2760+((n-1)* 160)"
Open Loop Detect
Enable
"No (59)
Yes (106)"
No (59)
"unsigned 16-bit
Access = RW"
"Control Loop 1: 2762
Control Loop n:
2762+((n-1)* 160)"
Open Loop Detect
Time
0 To 9999 seconds 240
"unsigned 16-bit
Access=RW"
"Control Loop 1: 2764
Control Loop n:
2764+((n-1)* 160)"
Open Loop Detect
Deviation
-99,999.000 to 99,999.000°F
or units, -55,555.000 to
55,555.000°C
10.0°F or units, 5.6°C
"IEEE Float
Access=RW"
"Control Loop 1: 2766
Control Loop n:
2766+((n-1)* 160)"
Control Loop Error
"None (61)
Open Loop (1274)
Reversed Loop (1275)"
"unsigned 16-bit
Access = R"
"Control Loop 1: 2768
Control Loop n:
2768+((n-1)* 160)"
Clear Error
"Clear (129)
Ignore (204)"
Ignore (204)
"unsigned 16-bit
Access = RW"
"Control Loop 1: 2770
Control Loop n:
2770+((n-1)* 160)"
Peltier Delay 0 To 5 seconds 0.0
"IEEE Float
Access=RW"
"Control Loop 1: 2772
Control Loop n:
2772+((n-1)* 160)"
Minimum Set Point
-99,999.000 to 99,999.000°F
or units, -55,572.778 to
55,537.222°C
-99,999.000°F or
units, -55,572.778°C
"IEEE Float
Access=RW"
"Control Loop 1: 2774
Control Loop n:
2774+((n-1)* 160)"
Maximum Set Point
-99,999.000 to 99,999.000°F
or units, -55,572.778 to
55,537.222°C
99,999.000°F or units,
55,537.222°C
"IEEE Float
Access=RW"
"Control Loop 1: 2776
Control Loop n:
2776+((n-1)* 160)"
Minimum Manual
Power
-100 To 100% -100.0
"IEEE Float
Access=RW"
"Control Loop 1: 2778
Control Loop n:
2778+((n-1)* 160)"
Maximum Manual
Power
-100 To 100% 100.0
"IEEE Float
Access=RW"
"Control Loop 1: 2780
Control Loop n:
2780+((n-1)* 160)"
Set Point
[Min Set Point] To [Max
Set Point]
75.0°F or units,
23.9°C
"IEEE Float
Access=RW"
"Control Loop 1: 2782
Control Loop n:
2782+((n-1)* 160)"
Manual Power
[Min Manual Power] To
[Max Manual Power]
0.0
"IEEE Float
Access=RW"
"Control Loop 1: 2784
Control Loop n:
2784+((n-1)* 160)"
Idle Set Point
[Min Set Point] To [Max
Set Point]
75.0°F or units,
23.9°C
"IEEE Float
Access=RW"
"Control Loop 1: 2786
Control Loop n:
2786+((n-1)* 160)"
Auto-to-Manual Power
"Off (62)
Bumpless Transfer (14)
Fixed Power (33)
User (100)"
User (100)
"unsigned 16-bit
Access = RW"
"Control Loop 1: 2788
Control Loop n:
2788+((n-1)* 160)"
Input Error Power
"Off (62)
Bumpless Transfer (14)
Fixed Power (33)
User (100)"
User (100)
"unsigned 16-bit
Access = RW"
"Control Loop 1: 2790
Control Loop n:
2790+((n-1)* 160)"