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Appendix B: CRC-16 Calculation

02/13 Modbus® RTU Serial Communications User Manual 63

A.19.1 Segment Register Map

The table below describes the registers that are part of a setpoint programmer segment. To determine the actual

Offset within

Segment

Parameter Name Access Notes

0 Ramp Segment R/W Bit Packed

Bit 0: 1 = ramp segment; 0=soak segment

Bit 1: 1 = guaranteed soak enabled

0 = guaranteed soak disabled

Bit 2: 1 = guaranteed soak enabled PV#2

0 = guaranteed soak disabled PV#2

Bit 0 is ignored in the hold mode.

Writing to this register is not permissible in the run

mode.

VPR, VRX ONLY

1 Events R/W Bit Packed

Bit 0: Event #1

: :

Bit 15: Event #16

0: Event OFF

1: Event ON

Writing to this register is only permissible in reset or

ready mode.

VPR, VRX ONLY

2 Time or Rate R/W Floating Point in time units configured for the set point

programmer

Writing to this register is not permissible in the run

mode.

VPR, VRX ONLY

4 Ramp or Soak value R/W Floating Point

Writing to this register is not permissible in the run

mode.

VPR, VRX ONLY

6 Soak value for auxiliary

output (use “Time or

Rate” for duration)

R/W Floating Point

Writing to this register is not permissible in the run

mode.

VPR, VRX ONLY

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 75 76

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Siemens NAN 67 Series Manual de usuario Pagina 69