
Appendix B: CRC-16 Calculation
02/13 Modbus® RTU Serial Communications User Manual 37
Address
(hex)
Register
(decimal)
Parameter Name Access Notes
013A 40315 Auto/Manual State R/W Bit Packed
Bit 0: 0:Manual; 1:Auto
Bit 1-15: Unused Note 12
013B 40316 Set Point State R/W Unsigned 16 bit integer
0=SP1 2=SP3
1=SP2 3=SP4 Note 12
013C 40317 Remote/Local Set Point State R/W Bit Packed
Bit 0: 0:LSP; 1:RSP
Bit 1-15: Unused Note 12
013D 40318 Tune Set State R/W Unsigned 16 bit integer
0=Tune Set #1 1=Tune Set #2
2=Tune Set #3 3=Tune Set #4
013E 40319 Loop Status R Bit Packed
Bit 0: Mode: 0:Manual; 1:Auto
Bit 1: Set Point: 0:SP1; 1:SP2
Bit 2: Remote/Local: 0:LSP; 1:RSP
Bit 3: Tune Set: 0:Set #1; 1:Set #2
Bit 4: LSP3
Bit 5: LSP4
Bit 6: CSP
Bit 7: UDC3500 set for Tune Set #1
Bit 8: UDC3500 set for Tune Set #3
Bit 9: UDC3500 set for Tune Set #4
Bit 10: Unused
Bit 11: UDC3500 Run/Hold Status
Bit 12: UDC3500 set for Any Digital Input
Active
Bit 13: UDC3500 set for Any Alarm Active
Bit 14: UDC3500 set for Cascade
Bit 15: UDC3500 set for Guaranteed Soak
Deviation (Out of Limit)
Note 10, Note 12
Note 1 :UDC3200, UDC3300, UDC3500 uses a prescale of 100 for this parameter.
Note 2: UDC3200, UDC3300, UDC3500 uses a prescale of 1 for this parameter.
Note 3: UDC3200, UDC3300, UDC3500 only.
Note 4:
UDC3200, UDC3300, UDC3500 Ratio and Bias are CSP parameters.
Note 5: In the UDC3500, if the input type is configured as Carbon and the input algorithm is configured for one of the carbon
selections, the prescale value is derived from the configured decimal point.
Note 6: Not supported by UDC2300 or UDC3300
Note 7: UDC2300, UDC2500, UDC3300, UDC3200 Loop 1 Address only.
Note 8:
In the UDC3200, UDC3300, or UDC3500, if the Algorithm 1 type is configured for weighted average, RH, Summer, Sq.
Root Mult-Div, Sq Root Mult, Mult-Div, Mult, Carbon A-D, FCC, Dew Point, or Oxygen, the prescale value is derived
from the configured decimal point.
Note 9: In the UDC3300, or UDC3500 if the Algorithm 2 type is configured for weighted average, A-B/C, Sq Root Mult-Div, Sq
Root Mult, Mult-Div, Mult, or Dew Point, the prescale value is derived from the configured decimal point.
Note 10: If bits 2, 4, 5 and 6 are set, then disregard bit 1.
Note 11: UDC3500: Positional Proportional Control slidewire input or Three Position Step Control slidewire feedback
Note 12: UDC2300, UDC2500,
UDC3200, UDC3300, UDC3500 only.
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