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Pax2a modbus register table – Red Lion PAX2A User Manual

Page 24

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24

REGISTER

ADDRESS

REGISTER NAME

LOW LIMIT HIGH LIMIT

FACTORY

SETTING

ACCESS

COMMENTS

FREQUENTLY USED REGISTERS

40001

Input Relative Value (Hi word)

N/A

N/A

N/A

Read Only

Process value of present input level. This value is

affected by Input Type, Resolution, Scaling, & Offset

Value. (Relative Value = Absolute Input Value + Offset

Value)

40002

Input Relative Value (Lo word)

40003

Maximum Value (Hi word)

-199999

999999

N/A

Read/Write

40004

Maximum Value (Lo word)

40005

Minimum Value (Hi word)

-199999

999999

N/A

Read/Write

40006

Minimum Value (Lo word)

40007

Total Value (Hi word)

-199999999 999999999

N/A

Read/Write

40008

Total Value (Lo word)

40009

Setpoint 1 Value (Hi word)

-199999

999999

100

Read/Write Active List (A or B)

40010

Setpoint 1 Value (Lo word)

40011

Setpoint 2 Value (Hi word)

-199999

999999

200

Read/Write Active List (A or B)

40012

Setpoint 2 Value (Lo word)

40013

Setpoint 3 Value (Hi word)

-199999

999999

300

Read/Write Active List (A or B)

40014

Setpoint 3 Value (Lo word)

40015

Setpoint 4 Value (Hi word)

-199999

999999

400

Read/Write Active List (A or B)

40016

Setpoint 4 Value (Lo word)

40017

Setpoint 1 Band/Dev. Value (Hi word)

-199999

999999

0

Read/Write Active List (A or B). Applicable only for Band or

Deviation Setpoint Action.

40018

Setpoint 1 Band/Dev. Value (Lo word)

40019

Setpoint 2 Band/Dev. Value (Hi word)

-199999

999999

0

Read/Write Active List (A or B). Applicable only for Band or

Deviation Setpoint Action.

40020

Setpoint 2 Band/Dev. Value (Lo word)

40021

Setpoint 3 Band/Dev. Value (Hi word)

-199999

999999

0

Read/Write Active List (A or B). Applicable only for Band or

Deviation Setpoint Action.

40022

Setpoint 3 Band/Dev. Value (Lo word)

40023

Setpoint 4 Band/Dev. Value (Hi word)

-199999

999999

0

Read/Write Active List (A or B). Applicable only for Band or

Deviation Setpoint Action.

40024

Setpoint 4 Band/Dev. Value (Lo word)

40025

Setpoint Output Register (SOR)

0

15

N/A

Read/Write

Status of Setpoint Outputs. Bit State: 0 = Off, 1 = On.

Bit 3 = S1, Bit 2 = S2, Bit 1 = S3, Bit 0 = S4.

Outputs can only be activated/reset with this register

when the respective bits in the Manual Mode Register

(MMR) are set.

40026

Manual Mode Register (MMR)

0

31

0

Read/Write

Bit State: 0 = Auto Mode, 1 = Manual Mode

Bit 4 = S1, Bit 3 = S2, Bit 2 = S3, Bit 1 = S4,

Bit 0 = Linear Output

40027

Reset Output Register

0

15

0

Read/Write

Bit State: 1 = Reset Output, bit is returned to zero

following reset processing; Bit 3 = S1, Bit 2 = S2,

Bit 1 = S3, Bit 0 = S4

40028

Analog Output Register (AOR)

0

4095

0

Read/Write Linear Output Card written to only if Linear Output is in

Manual Mode.(MMR bit 0 = 1)

40029

Input Absolute Value (Hi word)

N/A

N/A

N/A

Read Only

Gross value of present Input level. This value is

affected by Input Type, Resolution, Scaling, but not

affected by Offset Value

40030

Input Absolute Value (Lo word)

40031

Input Offset Value (Hi word)

-199999

999999

0

Read/Write Input Offset Value plus the Input Absolute Value equals

the Relative Input Value (standard meter value).

40032

Input Offset Value (Lo word)
INPUT PARAMETERS

SEE MODULE 1 FOR PARAMETER DESCRIPTIONS

40081

Input Range

0

26

10

Read/Write

0 = 250µA 5 = 250mV 11 = 100Ω 17 = TC-K 23 = RTD 385
1 = 2.5mA 6 = 2V

12 = 1KΩ 18 = TC-R 24 = RTD 392

2 = 25mA 7 = 10V

13 = 10KΩ 19 = TC-S 25 = RTD 672

3 = 250mA 8 = 25V

14 = TC-T 20 = TC-B 26 = RTD 427

4 = 2A

9 = 100V 15 = TC-E 21 = TC-N

10 = 200V 16 = TC-J 22 = TC-C

40082

Temperature Scale (TC or RTD only)

0

1

1

Read/Write 0 = °C, 1 = °F

40083

Ice Point Compensation (TC only)

0

1

1

Read/Write 0 = Off, 1 = On

40084

ADC Conversion Rate (samples/sec)

0

5

0

Read/Write 0 = 5, 1 = 10, 2 = 20, 3 = 40, 4 = 80, 5 = 160

40085

Decimal Point

0

4

2

Read/Write 0 = 0, 1 = 0.0, 2 = 0.00, 3 = 0.000, 4 = 0.0000

40086

Rounding Factor

0

6

0

Read/Write 0 = 1, 1 = 2, 2 = 5, 3 = 10, 4 = 20, 5 = 50, 6 = 100

40087

Digital Input Filter

0

250

10

Read/Write 1 = 0.1 Second

40088

Filter Band

0

250

10

Read/Write 1 = 1 display unit

40089

Input Scaling Points in List Function

0

1

0

Read/Write 0 = No, 1 = Yes

List A

List B

Input Scaling Points Parameters

40101

40201 Number of Scaling Points

2

16

2

Read/Write Number of Linearization Scaling Points

40102

40202 Reserved

N/A

N/A

N/A

N/A

40103

40203 Scaling Pt.1 Input Value (Hi word)

-199999

999999

0

Read/Write 1 = 1 in least significant digit (Input Range dependant)

40104

40204 Scaling Pt.1 Input Value (Lo word)

PAX2A MODBUS REGISTER TABLE

The below limits are shown as Integers or HEX < > values. Read and write functions can be performed in either Integers or Hex as long as the conversion was done

correctly. Negative numbers are represented by two’s complement.

Note 1: The PAX2A should not be powered down while parameters are being changed. Doing so may corrupt the non-volatile memory resulting in checksum errors.