Watlow D4T Data Logger
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163
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Chapter 6 Appendix
Parameter Class
and Name
Range
Default
Data Type and
Attributes
Modbus Registers
Function
"Off (62)
Sensor Backup (1201)
Average (1367)
Crossover (1368)
Wet Bulb / Dry Bulb
(1369)
Switch Over (1370)
Differential (1373)
Ratio (1374)
Add (1375)
Multiply (1376)
Absolute Difference
(1377)
Minimum (1378)
Maximum (1379)
Square Root (1380)
Vaisala RH
Compensation (1648)
Pressure to Altitude
(1649)"
Off (62)
"unsigned 16-bit
Access = RW"
"Process Variable 1:
14140
Process Variable n:
14140+((n-1)* 70)"
Output Value
"IEEE Float
Access=R"
"Process Variable 1:
14142
Process Variable n:
14142+((n-1)* 70)"
Offset
-99999 To 99999
0
"IEEE Float
Access=RW"
"Process Variable 1:
14144
Process Variable n:
14144+((n-1)* 70)"
Crossover Point
-99999 To 99999
100.0
"IEEE Float
Access=RW"
"Process Variable 1:
14146
Process Variable n:
14146+((n-1)* 70)"
Crossover Band
-99999 To 99999
10.0
"IEEE Float
Access=RW"
"Process Variable 1:
14148
Process Variable n:
14148+((n-1)* 70)"
Filter
0 To 60
0.0
"IEEE Float
Access=RW"
"Process Variable 1:
14150
Process Variable n:
14150+((n-1)* 70)"
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"
"Process Variable 1:
14152
Process Variable n:
14152+((n-1)* 70)"
Pressure Units
"PSI (1671)
mbar (1672)
Torr (1673)
Pascal (1674)
Atmosphere (1675)"
PSI (1671)
"unsigned 16-bit
Access = RW"
"Process Variable 1:
14154
Process Variable n:
14154+((n-1)* 70)"