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Watlow D4T Data Logger
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164
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Chapter 6 Appendix
Parameter Class
and Name
Range
Default
Data Type and
Attributes
Modbus Registers
Altitude Units
"Feet (1676)
Kilofeet (1677)"
Kilofeet (1677)
"unsigned 16-bit
Access = RW"
"Process Variable 1:
14156
Process Variable n:
14156+((n-1)* 70)"
Barometric Pressure
10 To 16
14.7
"IEEE Float
Access=RW"
"Process Variable 1:
14158
Process Variable n:
14158+((n-1)* 70)"
Real Time Clock
Time of Day
0 To 86399
"unsigned 32-bit
Access=R"
14660
Hours
0 To 23
"unsigned 8-bit
Access=RW"
14664
Minutes
0 To 59
"unsigned 8-bit
Access=RW"
14666
Seconds
0 To 59
"unsigned 8-bit
Access=RW"
14668
Month
1 To 12
"unsigned 8-bit
Access=RW"
14670
Date
1 To 31
"unsigned 8-bit
Access=RW"
14672
Year
2008 To 2100
"unsigned 16-bit
Access=RW"
14674
)
Source Value A
"IEEE Float
Access=R "
"Special Output
Function 1: 14708
Special Output
Function n: 14708+((n-
1)* 80)"
Source Value B
"IEEE Float
Access=R "
"Special Output
Function 1: 14710
Special Output
Function n: 14710+((n-
1)* 80)"
Function
"Off (62)
Compressor Control
(1506)
Sequencer (1507)
Motorized Valve (1508)"
Off (62)
"unsigned 16-bit
Access = RW"
"Special Output
Function 1: 14712
Special Output
Function n: 14712+((n-
1)* 80)"
Output Value 1
"IEEE Float
Access=R"
"Special Output
Function 1: 14714
Special Output
Function n: 14714+((n-
1)* 80)"
Error
"None (61)
Open (65)
Shorted (127)
Measurement Error (140)
Bad Calibration Data
(139)
Ambient Error (9)
RTD Error (141)
Fail (32)
Math Error (1423)
Not Sourced (246)
Stale (1617)"
"unsigned 16-bit
Access = R"
"Special Output
Function 1: 14716
Special Output
Function n: 14716+((n-
1)* 80)"