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Appendix B: CRC-16 Calculation

02/13 Modbus® RTU Serial Communications User Manual 31

A.3 Loop Value Integer Register Map

The following table applies to the following instruments: UDC2300, UDC2500, UDC3200, UDC3300, UDC3500,

DR4300 and DR4500. This table applies to Loops 1-24 except Loops 2-24 use the addresses shown in Table A-1

Address

(hex)

(decimal)

Parameter Name Access Notes

0000 40001 PV R Signed 16 bit integer Prescale * 10 Note 5

0001 40002 RV; Remote Set Point; SP2 R Signed 16 bit integer Prescale * 10

0002 40003 Working Set Point R/W Signed 16 bit integer Prescale * 10 Note 5

On a write the instrument will update the

proper set point according to the loop’s

currently selected set point.

0003 40004 Output R/W Signed 16 bit integer Prescale * 10 Note 11

0004 40005 Input #1 R Signed 16 bit integer Prescale * 10

0005 40006 Input #2 R Signed 16 bit integer Prescale * 10

0006 40007 Gain #1 (Prop Band #1 if active) R/W Signed 16 bit integer Prescale * 10

0007 40008 Direction R Signed 16 bit integer Prescale * 10

0008 40009 Reset #1 R/W Signed 16 bit integer Prescale * 10 Note 1

0009 40010 Rate #1 R/W Signed 16 bit integer Prescale * 10 Note 1

000A 40011 Cycle Time #1 R/W Signed 16 bit integer Prescale * 10 Note 2

000B 40012 PV Low Range R Signed 16 bit integer Prescale * 10

000C 40013 PV High Range R Signed 16 bit integer Prescale * 10

000D 40014 Alarm #1 SP #1 R/W Signed 16 bit integer Prescale * 10 Note 7

000E 40015 Alarm #1 SP #2 R/W Signed 16 bit integer Prescale * 10 Note 7

000F 40016 Alarm #1 Action R Signed 16 bit integer Prescale * 10 Note 6

0010 40017 Gain #2 (Prop Band #2 if active) R/W Signed 16 bit integer Prescale * 10

0011 40018 Deadband R/W Signed 16 bit integer Prescale * 10

0012 40019 Reset #2 R/W Signed 16 bit integer Prescale * 10 Note 1

0013 40020 Rate #2 R/W Signed 16 bit integer Prescale * 10 Note 1

0014 40021 Cycle Time #2 R/W Signed 16 bit integer Prescale * 10 Note 2

0015 40022 SP1; LSP #1 R/W Signed 16 bit integer Prescale * 10 Note 5

0016 40023 LSP #2 R/W Signed 16 bit integer Prescale * 10 Note 5

0017 40024 Alarm #2 SP #1 R/W Signed 16 bit integer Prescale * 10 Note 7

0018 40025 Alarm #2 SP #2 R/W Signed 16 bit integer Prescale * 10 Note 7

0019 40026 Alarm #2 Action R Signed 16 bit integer Prescale * 10 Note 6

001A 40027 SP Low Limit R/W Signed 16 bit integer Prescale * 10 Note 5

001B 40028 SP High Limit R/W Signed 16 bit integer Prescale * 10 Note 5

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 75 76

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Siemens NAN 67 Series Manual de usuario Pagina 37