Dwyer PPM User Manual

MPM, APM, PPM, & LTI Series Modbus® Register Tables

DWYER INSTRUMENTS, INC.

PO Box 373 • Michigan City IN 46360 USA Tel (800) 872-9141 • Fax (219) 872-9057

www.dwyer-inst.com

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

WARNING

As is typical with most instruments, the addition of serial communications carries an inherent risk; it allows a remote operator to change the operation and/or characteristics of the device being digitally communicated with. Inappropriate communication could have serious consequences in meter or system operation.

Ultimately, it is up to the system designer to provide for the safe operation of a process. But certainly, no single event should make the difference between a safe situation and a catastrophe. Please use the appropriate level of caution when implementing serial communication.

CAUTION: If the Interlock Relay function is being used on any MPM, APM, PPM, or LTI meter, its proper operation can be

affected by inappropriate digital communications. Please take the steps necessary to provide for reliable interlock protection.

Disclaimer

The information contained in this document is subject to change without notice. Dwyer Instruments, Inc. makes no representations or warranties with respect to the contents hereof; and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose.

Register Trademarks Modbus® is a Registered Trademark of Schneider Automation Inc. All other trademarks mentioned in this document are the property of their respective owners.

Page 2

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Introduction

This document describes how to communicate with the MPM, APM, PPM, or LTI Series of meters using the Modbus familiar with Modbus serial communication and the meters. Refer to the meter instruction manual and the serial communication adapters’ manual for setup and wiring instructions.

Go to http://www.modbus.org/ Modbus Technical Resources.

Note that although there are no specific 3x Registers, all 4x Registers are mirrored into 3x register space, and are therefore capable of being read by Modbus function 04 (Read Input Registers).

®

RTU Serial Communication Protocol. The user should be

to obtain a copy of the Modbus Specifications and to find

Register Overview

40001 – 40047: Process Value (PV), Max PV, Min PV, Total, and Grand Total in floating

point and long integer formats, with interspersed relay status & digital I/O status, for block reading; Start & Stop batch, Relay acknowledge, Reset Max & Min, Reset Total, Grand Total & Batch count.

40051 – 40089: Manual control of relays, analog output, and digital outputs; Modbus

input display settings to use the meter as a Modbus display.

40101 – 40125: Input selection, Decimal points, totalizer settings, display settings, and

display intensity.

40126 – 40145: Adjust, RTD number to average, Filter & Bypass, Gate settings for pulse

input, Serial communication settings, Transfer function, Number of points, Exponent, Round horizontal tank parameters, and Cutoff.

40152 – 40180: Function keys, Digital I/O, Passwords.

40181 – 40187: Dual-scale model: PV2 settings and PV2 value, PV1 Percent.

40301 – 40372: Relays; Set & Reset points, Turn-on & Turn-off delays, Operating Mode.

40401 – 40413: Analog output value and setup parameters.

41001 – 41129: Remote Scaling for 4-20 mA input.

42001 – 42129: Remote Scaling for voltage input.

43001 – 43129: Remote Scaling for pulse input.

44001 – 44129: Remote Scaling for 4-20 mA input PV2.

45001 – 45129: Remote Scaling for voltage input PV2.

49901 – 49908: Product ID and Firmware Version.

49999: Load Factory Defaults

Page 3

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Register

1

Number Address (hex)

40001 – 40002

40003

40004

40005 – 40006

40007 – 40008

40009 – 40010

40011 – 40012

40013 – 40014

40015 – 40016

40017 – 40018

40019 – 40020

40021

40022

0 – 1

(0000 – 0001)

2

(0002)

3

(0003)

4 – 5

(0004 – 0005)

6 – 7

(0006 – 0007)

8-9

(0008 – 0009)

10 – 11

(000A – 000B)

12 – 13

(000C – 000D)

14 – 15

(000E – 000F)

16 – 17

(0010 – 0011)

18 – 19

(0012 – 0013)

20

(0014)

21

(0015)

Name Access

PV/Rate Display

value

Alarm and Relay

status

Digital Inputs and

Outputs status

Maximum Display

value

Minimum Display

value

Total value Read Only 0 to 999999999 User defined Floating point 03, 04

Grand Total value Read Only 0 to 999999999 User defined Floating point 03, 04

Total overflow

value

Total non-

overflow value

Grand Total

overflow value

Grand Total non-

overflow value

PV/Rate Display

value

PV/Rate Display

value

Read Only -99999 to 999999 User defined Floating point 03, 04

Read Only

Read Only -99999 to 999999 User defined Floating point 03, 04

Read Only 0 to 999 User defined Floating point 03, 04

Read Only 0 to 999999 User defined Floating point 03, 04

Read Only 0 to 999 User defined Floating point 03, 04

Read Only 0 to 999999 User defined Floating point 03, 04

Read Only -99999 to 999999 User defined Long Hi 03, 04

Read Only User defined Long Lo 03, 04

Limits or

1 = In Alarm

energized

1 = Input selected

1 = Output active

Range

1 = relay

2

Units

None Word; Bits 03, 04

Data

Type

3

Function

Code(s)

Comments

Represents the PV/Rate display value including the decimal point. Under Range = -99999, Over Range = 999999, and Open = -99999

Read alarm status and energized/non-energized status of relays. Alm = Alarm. Rly = Relay.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Alm8 Alm7 Alm6 Alm5 Alm4 Alm3 Alm2 Alm1 Rly8 Rly7 Rly6 Rly5 Rly4 Rly3 Rly2 Rly

Read the state of the digital inputs and outputs.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

DI 8 DI 7 DI 6 DI 5 DI 4 DI 3 DI 2 DI 1 DO8 DO7 DO6 DO5 DO4 DO3 DO2 DO

Represents the Maximum display value, including the decimal point, since last power up or Max Value reset.

Represents the Minimum display value, including the decimal point, since last power up or Min Value reset.

Represents the Total value, including the decimal point, since last Total reset.

Represents the Grand Total value, including the decimal point, since last Grand Total reset.

Represents the Total overflow value, since last Total reset.

Represents the Total non-overflow value, since last Total reset.

Represents the Grand Total overflow value, since last Grand Total reset.

Represents the Grand Total non-overflow value, since last Grand Total reset.

Represents the PV/Rate display value excluding the decimal point. Decimal point setting in 40102.

Must be read with 40021.

1

Page 4

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40023

40024

40025

40026

40027

40028

40029

40030

40031

40032

40033

40034

40035

40036

40037

40038

40039

22

(0016)

23

(0017)

24

(0018)

25

(0019)

26

(001A)

27

(001B)

28

(001C)

29

(001D)

30

(001E)

31

(001F)

32

(0020)

33

(0021)

34

(0022)

35

(0023)

36

(0024)

37

(0025)

38

(0026)

Alarm and Relay

status

Digital Inputs and

Outputs status

Maximum Display

value

Maximum Display

value

Minimum Display

value

Minimum Display

value

Total value Read Only 0 to 999999999 User defined Long Hi 03, 04

Total value Read Only User defined Long Lo 03, 04

Grand Total value Read Only 0 to 999999999 User defined Long Hi 03, 04

Grand Total value Read Only User defined Long Lo 03, 04

Total overflow

value

Total non-

overflow value

Total non-

overflow value

Grand Total

overflow value

Grand Total non-

overflow value

Grand Total non-

overflow value

Start Batch Write Only Not applicable None Bit 06, 16

Read Only

Read Only -99999 to 999999 User defined Long Hi 03, 04

Read Only User defined Long Lo 03, 04

Read Only -99999 to 999999 User defined Long Hi 03, 04

Read Only User defined Long Lo 03, 04

Read Only 0 to 999 User defined Integer 03, 04

Read Only 0 to 999999 User defined Long Hi 03, 04

Read Only User defined Long Lo 03, 04

Read Only 0 to 999 User defined Integer 03, 04

Read Only 0 to 999999 User defined Long Hi 03, 04

Read Only User defined Long Lo 03, 04

1 = In Alarm

1 = relay

energized

1 = Input selected

1 = Output active

None Word; Bits 03, 04

Mirror of 40003. Read alarm status and energized/nonenergized status of relays. Alm = Alarm. Rly = Relay.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Alm8 Alm7 Alm6 Alm5 Alm4 Alm3 Alm2 Alm1 Rly8 Rly7 Rly6 Rly5 Rly4 Rly3 Rly2 Rly

Mirror of 40004. Read the state of the digital inputs and outputs.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

DI 8 DI 7 DI 6 DI 5 DI 4 DI 3 DI 2 DI 1 DO8 DO7 DO6 DO5 DO4 DO3 DO2 DO

Represents the Maximum display value, excluding the decimal point, since last power up or Max Value reset.

Must be read with 40025.

Represents the Maximum display value, excluding the decimal point, since last power up or Max Value reset.

Must be read with 40027.

Represents the Total value, excluding the decimal point, since last Total reset. Decimal point setting in 40103.

Must be read with 40029.

Represents the Grand Total value, excluding the decimal point, since last Total reset. Decimal point setting in 40104.

Must be read with 40031.

Represents the Total overflow value, since last Total reset.

Represents the Total non-overflow value, since last Total reset.

Must be read with 40034.

Represents the Grand Total overflow value, since last Grand Total reset.

Represents the Grand Total non-overflow value, since last Grand Total reset.

Must be read with 40037.

Set bit to 1 to start the batch process.

1

Page 5

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40040

40041

40042

40043

40044

40045

40046

40047

40048

40049 – 40050

40051

39

(0027)

40

(0028)

41

(0029)

42

(002A)

43

(002B)

44

(002C)

45

(002D)

46

(002E)

47

(002F)

48 – 49

(0030 – 0031)

50

(0032)

Stop Batch Write Only Not applicable None Bit 06, 16

Alarm

Acknowledge

Reset Maximum

Display value

Reset Minimum

Display value

Reset Maximum

/Minimum Display

value

Reset Total value Write Only Not applicable None Bit 06, 16

Reset Grand

Total value

Reset Batch Count value

Control Mode Read Write Not applicable None Bit

Write Only Not applicable None Word; Bits 06, 16

Write Only Not applicable None Bit 06, 16

03, 04,

06, 16

Set bit to 1 to pause the batch process; set bit to 1 again to stop batch process.

Clear Relay n alarm condition. Set bit equal to 1 to acknowledge. Only has effect on relays programmed to allow manual acknowledging. Bits 0-7 mirror Bits 8-15, Alm = Alarm

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Alm8 Alm7 Alm6 Alm5 Alm4 Alm3 Alm2 Alm1 Alm8 Alm7 Alm6 Alm5 Alm4 Alm3 Alm2 Alm

Set bit to 1 to reset the Maximum Display value.

Set bit to 1 to reset the Minimum Display value.

Set bit to 1 to reset the Maximum/ Minimum Display values.

Set bit to 1 to reset the Total value.

Set bit to 1 to reset the Grand Total value.

Set bit to 1 to reset the Batch Count value.

Reserved for future use.

0 = auto, 1 = manual

1

40052

40053

40054

51

(0033)

52

(0034)

53

(0035)

Manual Control

Analog Output

Setting

Manual Control Relay 1 Setting

Read Write 0 to 23999 μA Integer

Read Write Not applicable None Bit

03, 04,

06, 16

03, 04,

06, 16

Represents the Manual Control Analog Output value.

Note: Register 40051 must be set to 1 = manual mode for registers 40052-40069 to take effect.

Reserved for future use.

Represents the Manual Control Relay 1 setting. 0 = off, 1 = on

Page 6

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40055

40056

40057

40058

40059

40060

40061

40062

40063

40064

40065

40066

40067

40068

40069

40070

40071

54

(0036)

55

(0037)

56

(0038)

57

(0039)

58

(003A)

59

(003B)

60

(003C)

61

(003D)

62

(003E)

63

(003F)

64

(0040)

65

(0041)

66

(0042)

67

(0043)

68

(0044)

69

(0045)

70

(0046)

Manual Control Relay 2 Setting

Manual Control Relay 3 Setting

Manual Control Relay 4 Setting

Manual Control Relay 5 Setting

Manual Control Relay 6 Setting

Manual Control Relay 7 Setting

Manual Control Relay 8 Setting

Manual Control

DO 1 Setting

Manual Control

DO 2 Setting

Manual Control

DO 3 Setting

Manual Control

DO 4 Setting

Manual Control

DO 5 Setting

Manual Control

DO 6 Setting

Manual Control

DO 7 Setting

Manual Control

DO 8 Setting

Modbus Big

Display Setting

Modbus Little

Display Setting

Read Write Not applicable None Bit

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Represents the Manual Control Relay 2 setting. 0 = off, 1 = on

Represents the Manual Control Relay 3 setting. 0 = off, 1 = on

Represents the Manual Control Relay 4 setting. 0 = off, 1 = on

Represents the Manual Control Relay 5 setting. 0 = off, 1 = on

Represents the Manual Control Relay 6 setting. 0 = off, 1 = on

Represents the Manual Control Relay 7 setting. 0 = off, 1 = on

Represents the Manual Control Relay 8 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 1 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 2 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 3 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 4 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 5 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 6 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 7 setting. 0 = off, 1 = on

Represents the Manual Control Digital Output 8 setting. 0 = off, 1 = on

Represents the Modbus Big Display setting. 0 = display based on register 40072-40073. 1 = display based on register 40076-40081. Modbus display mode must be set to 18 in register 40117.

Represents the Modbus Little Display setting. 0 = display based on register 40074-40075. 1 = display based on register 40082-40087. Modbus display mode must be set to 18 in register 40118.

Page 7

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40072 – 40073

40074 – 40075

40076

40077

40078

40079

40080

40081

40082

40083

40084

71 – 72

(0047 – 0048)

73 – 74

(0049 – 004A)

75

(004B)

76

(004C)

77

(004D)

78

(004E)

79

(004F)

80

(0050)

81

(0051)

82

(0052)

83

(0053)

Modbus Big

Display value

Modbus Little Display value

Modbus Big

Display MSD

value

Modbus Big

Display MSD-1

value

Modbus Big

Display MSD-2

value

Modbus Big

Display MSD-3

value

Modbus Big

Display MSD-4

value

Modbus Big

Display MSD-5

(LSD) value

Modbus Little Display MSD

value

Modbus Little

Display MSD-1

value

Modbus Little

Display MSD-2

value

Read Write

Read Write Not applicable None Byte

-99999 to +999999

User defined

Long Hi

Long Lo

Long Hi Long Lo

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Represents the Modbus Big display value excluding the decimal point. Register 40088 contains the decimal point.

Set Register 40070 = 0, Register 40117 = 18

Represents the Modbus Little display value excluding the decimal point. Register 40089 contains the decimal point.

Register 40071 = 0, Register 40118 = 18

Represents the Modbus Big Display MSD (Most Significant Digit) value. The hex value represents the allowable ASCII character, see Table 7.

Register 40117 = 18

Register 40070 = 1 for registers 40076-81.

Register 40088 contains the decimal point.

Represents the Modbus Big Display MSD-1 value. The hex value represents the allowable ASCII character.

Represents the Modbus Big Display MSD-2 value. The hex value represents the allowable ASCII character.

Represents the Modbus Big Display MSD-3 value. The hex value represents the allowable ASCII character.

Represents the Modbus Big Display MSD-4 value. The hex value represents the allowable ASCII character.

Represents the Modbus Big Display MSD-5 (which is the LSD) value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD (Most Significant Digit) value. The hex value represents the allowable ASCII character, see Table 7.

Register 40118 = 18

Register 40071 = 1 for registers 40082-87.

Register 40089 contains the decimal point.

Represents the Modbus Little Display MSD-1 value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-2 value. The hex value represents the allowable ASCII character.

Page 8

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40085

40086

40087

40088

40089

40090

40091

40092

40093

40094

40095

40101

84

(0054)

85

(0055)

86

(0056)

87

(0057)

88

(0058)

89

(0059)

90

(005A)

91

(005B)

92

(005C)

93

(005D)

94

(005E)

100

(0064)

Modbus Little

Display MSD-3

value

Modbus Little

Display MSD-4

value

Modbus Little

Display MSD-5

(LSD) value

Modbus Big

Display decimal

point

Modbus Little

Display decimal

point

Level Meter Read Write Not applicable None Bit

Process Total Read Write Not applicable None Bit

Pulse Total Read Write Not applicable None Bit

Meter Model Read Only Not applicable None Integer

Relay & Digital IO

count

Analog Output Read Only Not applicable None Bit

Input Selection Read Write Not applicable None Word; bits

Read Write Not applicable None Byte

Read Write 0 to 5 None Integer

Read Only Not applicable None Word; bytes

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Represents the Modbus Little Display MSD-3 value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-4 value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-5 (which is the LSD) value. The hex value represents the allowable ASCII character.

Selects based on number of digits to the right of the decimal point (e.g. 0 = no decimal point and 5 = d.ddddd).

Register 40070 = 1 or 0

Selects based on number of digits to the right of the decimal point (e.g. 0 = no decimal point and 5 = d.ddddd).

Register 40071 = 1 or 0

Represents the selection for LEVEL meter with dual scale for PV1 and PV2. 0 = No, 1 = Yes

Represents the selection for Process Total.

0 = No, 1 = Yes

Represents the selection for Pulse Total.

0 = No, 1 = Yes

0 = Process/Temperature 1 = Process Total 2 = Pulse Total 3 = Dual-Input Process

Relay & Digital IO count

LSByte = Relay count (4 or 8)

MSByte = Digital IO count (0, 4, or 8)

Represents the analog output option 0 = Not installed 1 = Installed

See Table 1.

4 = Reserve 5 = Process Batch 6 = Pulse Batch 7 = No Module

Page 9

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

40102

40103

40104

40105

40106 – 40107

40108

40109

40110

40111 – 40112

40113

40114

40115 – 40116

40117

40118

40119

40120

40121

101

(0065)

102

(0066)

103

(0067)

104

(0068)

105 – 106

(0069 – 006A)

107

(006B)

108

(006C)

109

(006D)

110 – 111

(006E – 006F)

112

(0070)

113

(0071)

114 – 115

(0072 – 0073)

116

(0074)

117

(0075)

118

(0076)

119

(0077)

120

(0078)

Name Access

PV/Rate decimal

point

Total decimal

point

Grand Total

decimal point

Total time base Read Write 0 to 4 None Integer

Total Conversion

Factor

Total Reset mode Read Write Not applicable None Bit

Total Reset Delay Read Write 0 to 9999

Grand Total time

base

Grand Total

Conversion

Factor

Grand Total

Reset mode

Grand Total

Reset Delay

Pulse K- Factor Read Write

Big Display

Setting

Little Display

Setting

Units 1 Read Write Not applicable None Byte

Units 2 Read Write Not applicable None Byte

Units 3 Read Write Not applicable None Byte

Read Write 0 to 7 None Integer

Read Write 0 to 5 None Integer

Read Write

Read Write 0 to 4 None Integer

Read Write

Read Write Not applicable None Bit

Read Write 0 to 9999

Read Write 0 to 20 None Integer

Read Write 0 to 23 None Integer

Limits or

0.00001 to

Range

999999

2

1/10 of Seconds

Units

None Floating point

(0 to 999.9)

None Floating point

(0 to 999.9)

None Floating point

Data

Type

Integer

3

Function

Code(s)

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Comments

Selects based on number of digits to the right of the decimal point (e.g. 0 = no decimal point and 5 = d.ddddd), also selections for Temp Decimal Point using 0 = dddd, 1 = dddd.d, 6 = dddd°u, and 7 = dddd.du, where “u” is the units (F or C).

Selects based on number of digits to the right of the decimal point (e.g. 0 = no decimal point and 5 = d.ddddd).

0 = sec, 1 = min, 2 = hour, 3 = day

0 = auto, 1 = manual

0 = sec, 1 = min, 2 = hour, 3 = day

0 = auto, 1 = manual

See Table 2.

Represents the Modbus Little Display MSD (Most Significant Digit) value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-1 value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-2 value. The hex value represents the allowable ASCII character.

Page 10

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40122

40123

40124

40125

40126

40127

40128

40129

40130

40131

40132

40133

40134

40135

121

(0079)

122

(007A)

123

(007B)

124

(007C)

125

(007D)

126

(007E)

127

(007F)

128

(0080)

129

(0081)

130

(0082)

131

(0083)

132

(0084)

133

(0085)

134

(0086)

Units 4 Read Write Not applicable None Byte

Units 5 Read Write Not applicable None Byte

Units 6 Read Write Not applicable None Byte

Display Intensity Read Write 1 to 8 None Integer

Adjust Value Read Write -500 to 500 1/10 of °C or °F Integer

RTD Total Value Read Write 1 to 10 None Integer

Lo Gate Setting Read Write 1 to 999 None Integer

High Gate Setting Read Write 20 to 9999 None Integer

Filter Setting Read Write

Bypass Setting Read Write 2 to 999

Serial Address Read Write 1 to 247 None Integer

Serial Baud Rate Read Write 0 to 6 None Integer

Serial Transmit

Delay

Serial Parity Read Write 0 to 3 None Integer

Read Write 0 to 199 ms Integer

0, 2 to 199

or

202 to 250, 900

Unit-less Integer

Percent of full

scale or °F

Integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Represents the Modbus Little Display MSD-3 value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-4 value. The hex value represents the allowable ASCII character.

Represents the Modbus Little Display MSD-5 (which is the LSD) value. The hex value represents the allowable ASCII character.

8 is the brightest level. Writing out of range data results in level 1 or 8.

Actually represents -50.0 to +50.0. Offset value is only applied to temperature inputs. If Adjust is greater than 27.7°C and the temperature units are switched to °F, it will be set to 50.0 (lower than -27.7, set to -50.0).

Value represents the number of parallel RTDs connected to the signal input. Any other value than these results in a setting of 1.

Actually represents 0.1 to 99.9 setting.

Actually represents 2.0 to 999.9 setting.

Display filtering. 0 = no filtering. 2 to 199 = old + ((new old)/Filter). For pulse input 900 = Hi-Speed, 202 to 250 = LoSpeed where the range is 2 to 50.

Actually represents 0.2 to 99.9. If the input steps greater than the bypass value, it will be displayed immediately, with no filtering occurring. The number represents percent of full-scale for process inputs and °F for temperature inputs. No effect if filter = 0.

Changes to this register are saved but don’t take effect until next meter reset (Modbus command or power-up). Writing out of range data results in an address of 247.

0 = 300, 1 = 600, 2 = 1200, 3 = 2400, 4 = 4800, 5 = 9600, & 6 = 19200. Changes to this register are saved but don’t take effect until next meter reset (Modbus command or power-up). Writing out of range data results in a baud rate of 2400.

Transmit delay to minimize collisions on the RS-485 network.

0 = None with 1 stop bit, 1 = None with 2 stop bits, 2 = Odd, 3 = Even. Changes to this register are saved but don’t take effect until next meter re-initialization (Writing 0xFF00 to 40299 or power-up). Writing out of range data results in a parity setting of Even.

Page 11

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

40136

40137

40138

40139

40140 – 40141

40142 – 40143

40144 – 40145

40146

40147 – 40148

40149

40150 – 40151

40152

40153

40154

40155

135

(0087)

136

(0088)

137

(0089)

138

(008A)

139 – 140

(008B – 008C)

141 – 142

(008D – 008E)

143 – 144

(008F – 0090)

145

(0091)

146 – 147

(0092 – 0093)

148

(0094)

149 – 150

(0095 – 0096)

151

(0097)

152

(0098)

153

(0099)

154

(009A)

Name Access

Serial Byte-to-

Byte Timeout

Function Mode Read Write 0 to 3 None Integer

PV/Rate

Number of Points

Exponent Read Write 10001 to 29999 None Integer

Round Horizontal

Tank Diameter

Round Horizontal

Tank Length

Cutoff Read Write 0 to 999999 User defined Floating point

Total Count

Direction

Total Count

Preset

Grand Total

Count Direction

Grand Total

Count Preset

Programmable

User F1 Setting

Programmable

User F2 Setting

Programmable

User F3 Setting

Programmable

User Digital

Input 1 Setting

Read Write 0 to 254 1/100 of Seconds Integer

Read Write 2 to 32 None Integer

Read Write 0 to 999.999 Inches Floating point

Read Write Not applicable None Bit

Read Write 0 to 999999999 User defined Floating point

Read Write Not applicable None Bit

Read Write 0 to 999999999 User defined Floating point

Read Write 0 to 39 User defined Integer

Read Write 0 to 43 User defined Integer

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Comments

This is the timeout between bytes of a Modbus frame. Note that a value less than the minimum value for the present baud rate cannot be saved. Minimums are: 300 baud = 0.06 sec, 600 = 0.03, 1200 = 0.02 and 0.01 for 2400 to 19200. Changes to this register are saved but don’t take effect until next meter reset (Modbus command or power-up). Writing out of range data results in a timeout of 2.54 seconds.

0 = Linear, 1 = Square Root, 2 = Exponent, and 3 = Round Horizontal Tank

This register is only used when register 40137 is set to Linear.

Actually represents 1.0001 to 2.9999.

Set register 40137 = 2

Decimal point is fixed. The unit of measure is inches; the volume calculation is in US gallons. The display may be rescaled to represent the volume in any engineering units.

Represents the cutoff value.

0 = count up, 1 = count down

Same as 40302 – 40303 Relay 1 set point.

0 = count up, 1 = count down

See Table 3.

Page 12

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40156

40157

40158

40159

40160

40161

40162

40163

40164

40165

40166

40167

40168

155

(009B)

156

(009C)

157

(009D)

158

(009E)

159

(009F)

160

(00A0)

161

(00A1)

162

(00A2)

163

(00A3)

164

(00A4)

165

(00A5)

166

(00A6)

167

(00A7)

Programmable

User Digital

Input 2 Setting

Programmable

User Digital

Input 3 Setting

Programmable

User Digital

Input 4 Setting

Programmable

User Digital

Input 5 Setting

Programmable

User Digital

Input 6 Setting

Programmable

User Digital

Input 7 Setting

Programmable

User Digital

Input 8 Setting

Programmable

User Digital

Output 1 Setting

Programmable

User Digital

Output 2 Setting

Programmable

User Digital

Output 3 Setting

Programmable

User Digital

Output 4 Setting

Programmable

User Digital

Output 5 Setting

Programmable

User Digital

Output 6 Setting

Read Write 0 to 43 User defined Integer

Read Write 0 to 20 User defined Integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

See Table 3.

Page 13

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40169

40170

40171 – 40172

40173 – 40174

40175 – 40176

40177 – 40178

40179 – 40180

40181

40182

40183 – 40184

40185

40186

40187

40301

40302 – 40303

40304 – 40305

40306

168

(00A8)

169

(00A9)

170 – 171

(00AA-00AB)

172 – 173

(00AC-00AD)

174 – 175

(00AE-00AF)

176 – 177

(00B0 – 00B1)

178 – 179

(00B2 – 00B3)

180

(00B4)

181

(00B5)

182 – 183

(00B6 – 00B7)

184

(00B8)

185

(00B9)

186

(00BA)

300

(012C)

301 – 302

(012D – 012E)

303 – 304

(012F – 0130)

305

(0131)

Programmable

User Digital

Output 7 Setting

Programmable

User Digital

Output 8 Setting

Password 1 Read Write 000000 to 999999 None Floating point

Password 2 Read Write 000000 to 999999 None Floating point

Password 3 Read Write 000000 to 999999 None Floating point

Total Password Read Write 000000 to 999999 None Floating point

Grand Total

Password

PV2 Decimal

Point

PV2 Number of

Points

PV2 Display

Value

PV2 Display

value

PV2 Display

value

PV1% Display

value

Relay 1 Mode Read Write Not applicable None Word; bits

Relay 1

Set Point

Relay 1

Reset Point

Relay 1

On Delay

Read Write 0 to 20 User defined Integer

Read Write 000000 to 999999 None Floating point

Read Write 0 to 5 None Integer

Read Write 2 to 8 None Integer

Read Only -99999 to 999999 User defined Floating point 03, 04

Read Only -99999 to 999999 User defined Long Hi 03, 04

Read Only User defined Long Lo 03, 04

Read Only -100 to 100 User defined Integer 03, 04

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

See Table 3.

See Note 4.

Selects based on number of digits to the right of the decimal point (e.g. 0 = no decimal point and 5 = d.ddddd).

This register is only used when register 40137 is set to Linear.

Represents the PV2 display value including the decimal point. Under Range = -99999, Over Range = 999999, and Open = -99999

Represents the display value excluding the decimal point. Decimal point setting in 40181.

Must be read with 40185.

Represents the PV1% display value.

See Table 4 for operating modes and bit assignments.

Page 14

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40307

40308 – 40309

40310

40311 – 40312

40313 – 40314

40315

40316

40317 – 40318

40319

40320 – 40321

40322 – 40323

40324

40325

40326 – 40327

40328

40329 – 40330

40331 – 40332

40333

40334

306

(0132)

307 – 308

(0133 – 0134)

309

(0135)

310 – 311

(0136 – 0137)

312 – 313

(0138 – 0139)

314

(013A)

315

(013B)

316 – 317

(013C – 013D)

318

(013E)

319 – 320

(013F – 0140)

321 – 322

(0141 – 0142)

323

(0143)

324

(0144)

325 – 326

(0145 – 0146)

327

(0147)

328 – 329

(0148 – 0149)

330 – 331

(014A – 014B)

332

(014C)

333

(014D)

Relay 1

Off Delay

Relay 1 Sample

Time

Relay 2 Mode Read Write Not applicable None Word; bits

Relay 2

Set Point

Relay 2

Reset Point

Relay 2

On Delay

Relay 2

Off Delay

Relay 2 Sample

Time

Relay 3 Mode Read Write Not applicable None Word; bits

Relay 3

Set Point

Relay 3

Reset Point

Relay 3

On Delay

Relay 3

Off Delay

Relay 3 Sample

Time

Relay 4 Mode Read Write Not applicable None Word; bits

Relay 4

Set Point

Relay 4

Reset Point

Relay 4

On Delay

Relay 4

Off Delay

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

See Table 4 for operating modes and bit assignments.

Page 15

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40335 – 40336

40337

40338 – 40339

40340 – 40341

40342

40343

40344 – 40345

40346

40347 – 40348

40349 – 40350

40351

40352

40353 – 40354

40355

40356 – 40357

40358 – 40359

40360

40361

40362 – 40363

334 – 335

(014E – 014F)

336

(0150)

337 – 338

(0151 – 0152)

339 – 340

(153 – 0154)

341

(0155)

342

(0156)

343 – 344

(0157 – 0158)

345

(0159)

346 – 347

(015A – 015B)

348 – 349

(015C – 015D)

350

(015E)

351

(015F)

352 – 353

(0160 – 0161)

354

(0162)

355 – 356

(0163 – 0164)

357 – 358

(0165 – 0166)

359

(0167)

360

(0168)

361 – 362

(0169 – 016A)

Relay 4 Sample

Time

Relay 5 Mode Read Write Not applicable None Word; bits

Relay 5

Set Point

Relay 5

Reset Point

Relay 5

On Delay

Relay 5

Off Delay

Relay 5 Sample

Time

Relay 6 Mode Read Write Not applicable None Word; bits

Relay 6

Set Point

Relay 6

Reset Point

Relay 6

On Delay

Relay 6

Off Delay

Relay 6 Sample

Time

Relay 7 Mode Read Write Not applicable None Word; bits

Relay 7

Set Point

Relay 7

Reset Point

Relay 7

On Delay

Relay 7

Off Delay

Relay 7 Sample

Time

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

See Table 4 for operating modes and bit assignments.

Page 16

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

40364

40365 – 40366

40367 – 40368

40369

40370

40371 – 40372

40401

40402

40403

40404

40405

40406

40407

40408 – 40409

40410 – 40411

40412

40413

363

(016B)

364 – 365

(016C – 016D)

366 – 367

(016E – 016F)

368

(0170)

369

(0171)

370 – 371

(0172 – 0173)

400

(0190)

401

(0191)

402

(0192)

403

(0193)

404

(0194)

405

(0195)

406

(0196)

407 – 408

(0197 – 0198)

409 – 410

(0199 – 019A)

411

(019B)

412

(019C)

Relay 8 Mode Read Write Not applicable None Word; bits

Relay 8

Set Point

Relay 8

Reset Point

Relay 8

On Delay

Relay 8

Off Delay

Relay 8 Sample

Time

Analog Output

Value

Analog Output

Mode

Analog Output

Overrange value

Analog Output

Underrange value

Analog Output

Sensor Break

value

Analog Output

Maximum value

allowed

Analog Output

Minimum value

allowed

Analog Output

Display Value 1

Analog Output

Display Value 2

Analog Output

Output 1

Analog Output

Output 2

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 1999 1/10 of Seconds Integer

Read Write 0 to 59999 1/10 of Seconds Floating point

Read Only 0 to 23999 μA Integer 03, 04

Read Write 0 to 15 None Integer

Read Write 0 to 23999 μA Integer

Read Write 0 to 23999, 32000 μA Integer

Read Write 0 to 23999 μA Integer

Read Write -99999 to 999999 User defined Floating point

Read Write 0 to 23999 μA Integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

See Table 4 for operating modes and bit assignments.

See Table 5 for selection of the 4-20mA output source.

Analog Output scaling is only saved to memory after receiving the Output 2 – register 40413.

Page 17

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

41001 – 41002

41003 – 41004

41005 – 41006

41007 – 41008

41009 – 41010

41011 – 41012

41013 – 41014

41015 – 41016

41017 – 41018

41019 – 41020

41021 – 41022

41023 – 41024

41025 – 41026

41027 – 41028

41029 – 41030

41031 – 41032

41033 – 41034

41035 – 41036

41037 – 41038

1000 – 1001

(3E8 – 3E9)

1002 – 1003 (3EA – 3EB)

1004 – 1005 (3EC – 3ED)

1006 – 1007 (3EE – 3EF)

1008 – 1009

(3F0 – 3F1)

1010 – 1011

(3F2 – 3F3)

1012 – 1013

(3F4 – 3F5)

1014 – 1015

(3F6 – 3F7)

1016 – 1017

(3F8 – 3F9)

1018 – 1019

(3FA – 3FB)

1020 – 1021 (3FC – 3FD)

1022 – 1023

(3FE – 3FF)

1024 – 1025

(400 – 401)

1026 – 1027

(402 – 403)

1028 – 1029

(404 – 405)

1030 – 1031

(406 – 407)

1032 – 1033

(408 – 409)

1034 – 1035

(40A – 40B)

1036 – 1037

(40C – 40D)

Scale mA Display 1

Scale mA Display 2

Scale mA Display 3

Scale mA Display 4

Scale mA Display 5

Scale mA Display 6

Scale mA Display 7

Scale mA Display 8

Scale mA Display 9

Scale mA

Display 10

Scale mA

Display 11

Scale mA

Display 12

Scale mA

Display 13

Scale mA

Display 14

Scale mA

Display 15

Scale mA

Display 16

Scale mA

Display 17

Scale mA

Display 18

Scale mA

Display 19

Read Write -99999 to 999999 User defined Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

After all the Display and Input values have been sent, write 0xFF00 to register 41129.

Page 18

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

41039 – 41040

41041 – 41042

41043 – 41044

41045 – 41046

41047 – 41048

41049 – 41050

41051 – 41052

41053 – 41054

41055 – 41056

41057 – 41058

41059 – 41060

41061 – 41062

41063 – 41064

41065 – 41066

41067 – 41068

41069 – 41070

41071 – 41072

41073 – 41074

41075 – 41076

1038 – 1039

(40E – 40F)

1040 – 1041

(410 – 411)

1042 – 1043

(412 – 413)

1044 – 1045

(414 – 415)

1046 – 1047

(416 – 417)

1048 – 1049

(418 – 419)

1050 – 1051

(41A – 41B)

1052 – 1053

(41C – 41D)

1054 – 1055

(41E – 41F)

1056 – 1057

(420 – 421)

1058 – 1059

(422 – 423)

1060 – 1061

(424 – 425)

1062 – 1063

(426 – 427)

1064 – 1065

(428 – 429)

1066 – 1067

(42A – 42B)

1068 – 1069

(42C – 42D)

1070 – 1071

(42E – 42F)

1072 – 1073

(430 – 431)

1074 – 1075

(432 – 433)

Scale mA

Display 20

Scale mA

Display 21

Scale mA

Display 22

Scale mA

Display 23

Scale mA

Display 24

Scale mA

Display 25

Scale mA

Display 26

Scale mA

Display 27

Scale mA

Display 28

Scale mA

Display 29

Scale mA

Display 30

Scale mA

Display 31

Scale mA

Display 32

Scale mA

Input 1

Scale mA

Input 2

Scale mA

Input 3

Scale mA

Input 4

Scale mA

Input 5

Scale mA

Input 6

Read Write -99999 to 999999 User defined Floating point

Read Write -99.999 to 99.999 mA Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 19

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

41077 – 41078

41079 – 41080

41081 – 41082

41083 – 41084

41085 – 41086

41087 – 41088

41089 – 41090

41091 – 41092

41093 – 41094

41095 – 41096

41097 – 41098

41099 – 41100

41101 – 41102

41103 – 41104

41105 – 41106

41107 – 41108

41109 – 41110

41111 – 41112

41113 – 41114

1076 – 1077

(434 – 435)

1078 – 1079

(436 – 437)

1080 – 1081

(438 – 439)

1082 – 1083

(43A – 43B)

1084 – 1085

(43C – 43D)

1086 – 1087

(43E – 43F)

1088 – 1089

(440 – 441)

1090 – 1091

(442 – 443)

1092 – 1093

(444 – 445)

1094 – 1095

(446 – 447)

1096 – 1097

(448 – 449)

1098 – 1099

(44A – 44B)

1100 – 1101

(44C – 44D)

1102 – 1103

(44E – 44F)

1104 – 1105

(450 – 451)

1106 – 1107

(452 – 453)

1108 – 1109

(454 – 455)

1110 – 1111

(456 – 457)

1112 – 1113

(458 – 459)

Scale mA

Input 7

Scale mA

Input 8

Scale mA

Input 9

Scale mA

Input 10

Scale mA

Input 11

Scale mA

Input 12

Scale mA

Input 13

Scale mA

Input 14

Scale mA

Input 15

Scale mA

Input 16

Scale mA

Input 17

Scale mA

Input 18

Scale mA

Input 19

Scale mA

Input 20

Scale mA

Input 21

Scale mA

Input 22

Scale mA

Input 23

Scale mA

Input 24

Scale mA

Input 25

Read Write -99.999 to 99.999 mA Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 20

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

41115 – 41116

41117 – 41118

41119 – 41120

41121 – 41122

41123 – 41124

41125 – 41126

41127 – 41128

41129

42001 – 42002

42003 – 42004

42005 – 42006

42007 – 42008

42009 – 42010

42011 – 42012

42013 – 42014

42015 – 42016

42017 – 42018

42019 – 42020

1114 – 1115

(45A – 45B)

1116 – 1117

(45C – 45D)

1118 – 1119

(45E – 45F)

1120 – 1121

(460 – 461)

1122 – 1123

(462 – 463)

1124 – 1125

(464 – 465)

1126 – 1127

(466 – 467)

1128 (468)

2000 – 2001

(7D0 – 7D1)

2002 – 2003

(7D2 – 7D3)

2004 – 2005

(7D4 – 7D5)

2006 – 2007

(7D6 – 7D7)

2008 – 2009

(7D8 – 7D9)

2010 – 2011 (7DA – 7DB)

2012 – 2013

(7DC – 7DD)

2014 – 2015 (7DE – 7DF)

2016 – 2017

(7E0 – 7E1)

2018 – 2019

(7E2 – 7E3)

Scale mA

Input 26

Scale mA

Input 27

Scale mA

Input 28

Scale mA

Input 29

Scale mA

Input 30

Scale mA

Input 31

Scale mA

Input 32

Remote Scale mA

Flag

Scale Volts

Display 1

Scale Volts

Display 2

Scale Volts

Display 3

Scale Volts

Display 4

Scale Volts

Display 5

Scale Volts

Display 6

Scale Volts

Display 7

Scale Volts

Display 8

Scale Volts

Display 9

Scale Volts

Display 10

Read Write -99.999 to 99.999 mA Floating point

Write Only

Read Write -99999 to 999999 User defined Floating point

0xFF00 to

execute remote

scaling.

None

Unsigned

integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Used to remote scale the mA input. Caution! See Note 5.

After all the Display and Input values have been sent, write 0xFF00 to register 42129.

Page 21

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

42021 – 42022

42023 – 42024

42025 – 42026

42027 – 42028

42029 – 42030

42031 – 42032

42033 – 42034

42035 – 42036

42037 – 42038

42039 – 42040

42041 – 42042

42043 – 42044

42045 – 42046

42047 – 42048

42049 – 42050

42051 – 42052

42053 – 42054

42055 – 42056

42057 – 42058

2020 – 2021

(7E4 – 7E5)

2022 – 2023

(7E6 – 7E7)

2024 – 2025

(7E8 – 7E9)

2026 – 2027 (7EA – 7EB)

2028 – 2029 (7EC – 7ED)

2030 – 2031 (7EE – 7EF)

2032 – 2033

(7F0 – 7F1)

2034 – 2035

(7F2 – 7F3)

2036 – 2037

(7F4 – 7F5)

2038 – 2039

(7F6 – 7F7)

2040 – 2041

(7F8 – 7F9)

2042 – 2043

(7FA – 7FB)

2044 – 2045 (7FC – 7FD)

2046 – 2047

(7FE – 7FF)

2048 – 2049

(800 – 801)

2050 – 2051

(802 – 803)

2052 – 2053

(804 – 805)

2054 – 2055

(806 – 807)

2056 – 2057

(808 – 809)

Scale Volts

Display 11

Scale Volts

Display 12

Scale Volts

Display 13

Scale Volts

Display 14

Scale Volts

Display 15

Scale Volts

Display 16

Scale Volts

Display 17

Scale Volts

Display 18

Scale Volts

Display 19

Scale Volts

Display 20

Scale Volts

Display 21

Scale Volts

Display 22

Scale Volts

Display 23

Scale Volts

Display 24

Scale Volts

Display 25

Scale Volts

Display 26

Scale Volts

Display 27

Scale Volts

Display 28

Scale Volts

Display 29

Read Write -99999 to 999999 User defined Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 22

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

42059 – 42060

42061 – 42062

42063 – 42064

42065 – 42066

42067 – 42068

42069 – 42070

42071 – 42072

42073 – 42074

42075 – 42076

42077 – 42078

42079 – 42080

42081 – 42082

42083 – 42084

42085 – 42086

42087 – 42088

42089 – 42090

42091 – 42092

42093 – 42094

42095 – 42096

2058 – 2059

(80A – 80B)

2060 – 2061

(80C – 80D)

2062 – 2063

(80E – 80F)

2064 – 2065

(810 – 811)

2066 – 2067

(812 – 813)

2068 – 2069

(814 – 815)

2070 – 2071

(816 – 817)

2072 – 2073

(818 – 819)

2074 – 2075

(81A – 81B)

2076 – 2077

(81C – 81D)

2078 – 2079

(81E – 81F)

2080 – 2081

(820 – 821)

2082 – 2083

(822 – 823)

2084 – 2085

(824 – 825)

2086 – 2087

(826 – 827)

2088 – 2089

(828 – 829)

2090 – 2091

(82A – 82B)

2092 – 2093

(82C – 82D)

2094 – 2095

(82E – 82F)

Scale Volts

Display 30

Scale Volts

Display 31

Scale Volts

Display 32

Scale Volts

Input 1

Scale Volts

Input 2

Scale Volts

Input 3

Scale Volts

Input 4

Scale Volts

Input 5

Scale Volts

Input 6

Scale Volts

Input 7

Scale Volts

Input 8

Scale Volts

Input 9

Scale Volts

Input 10

Scale Volts

Input 11

Scale Volts

Input 12

Scale Volts

Input 13

Scale Volts

Input 14

Scale Volts

Input 15

Scale Volts

Input 16

Read Write -99999 to 999999 User defined Floating point

Read Write -99.999 to 99.999 Volt Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 23

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

42097 – 42098

42099 – 42100

42101 – 42102

42103 – 42104

42105 – 42106

42107 – 42108

42109 – 42110

42111 – 42112

42113 – 42114

42115 – 42116

42117 – 42118

42119 – 42120

42121 – 42122

42123 – 42124

42125 – 42126

42127 – 42128

42129

43001 – 43002

2096 – 2097

(830 – 831)

2098 – 2099

(832 – 833)

2100 – 2101

(834 – 835)

2102 – 2103

(836 – 837)

2104 – 2105

(838 – 839)

2106 – 2107

(83A – 83B)

2108 – 2109

(83C – 83D)

2110 – 2111

(83E – 83F)

2112 – 2113

(840 – 841)

2114 – 2115

(842 – 843)

2116 – 2117

(844 – 845)

2118 – 2119

(846 – 847)

2120 – 2121

(848 – 849)

2122 – 2123

(84A – 84B)

2124 – 2125

(84C – 84D)

2126 – 2127

(84E – 84F)

2128 (850)

3000 – 3001 (BB8 – BB9)

Scale Volts

Input 17

Scale Volts

Input 18

Scale Volts

Input 19

Scale Volts

Input 20

Scale Volts

Input 21

Scale Volts

Input 22

Scale Volts

Input 23

Scale Volts

Input 24

Scale Volts

Input 25

Scale Volts

Input 26

Scale Volts

Input 27

Scale Volts

Input 28

Scale Volts

Input 29

Scale Volts

Input 30

Scale Volts

Input 31

Scale Volts

Input 32

Remote Scale

Volts Flag

Scale Pulse

Display 1

Read Write -99.999 to 99.999 Volt Floating point

Write Only

Read Write -99999 to 999999 User defined Floating point

0xFF00 to

execute remote

scaling.

None

Unsigned

integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Used to remote scale the Volt input. Caution! See Note 5.

After all the Display and Input values have been sent, write 0xFF00 to register 43129.

Page 24

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

43003 – 43004

43005 – 43006

43007 – 43008

43009 – 43010

43011 – 43012

43013 – 43014

43015 – 43016

43017 – 43018

43019 – 43020

43021 – 43022

43023 – 43024

43025 – 43026

43027 – 43028

43029 – 43030

43031 – 43032

43033 – 43034

43035 – 43036

43037 – 43038

43039 – 43040

3002 – 3003

(BBA – BBB)

3004 – 3005

(BBC – BBD)

3006 – 3007

(BBE – BBF)

3008 – 3009 (BC0 – BC1)

3010 – 3011 (BC2 – BC3)

3012 – 3013 (BC4 – BC5)

3014 – 3015 (BC6 – BC7)

3016 – 3017 (BC8 – BC9)

3018 – 3019

(BCA – BCB)

3020 – 3021

(BCC – BCD)

3022 – 3023

(BCE – BCF)

3024 – 3025 (BD0 – BD1)

3026 – 3027 (BD2 – BD3)

3028 – 3029 (BD4 – BD5)

3030 – 3031 (BD6 – BD7)

3032 – 3033 (BD8 – BD9)

3034 – 3035

(BDA – BDB)

3036 – 3037

(BDC – BDD)

3038 – 3039

(BDE – BDF)

Scale Pulse

Display 2

Scale Pulse

Display 3

Scale Pulse

Display 4

Scale Pulse

Display 5

Scale Pulse

Display 6

Scale Pulse

Display 7

Scale Pulse

Display 8

Scale Pulse

Display 9

Scale Pulse

Display 10

Scale Pulse

Display 11

Scale Pulse

Display 12

Scale Pulse

Display 13

Scale Pulse

Display 14

Scale Pulse

Display 15

Scale Pulse

Display 16

Scale Pulse

Display 17

Scale Pulse

Display 18

Scale Pulse

Display 19

Scale Pulse

Display 20

Read Write -99999 to 999999 User defined Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 25

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

43041 – 43042

43043 – 43044

43045 – 43046

43047 – 43048

43049 – 43050

43051 – 43052

43053 – 43054

43055 – 43056

43057 – 43058

43059 – 43060

43061 – 43062

43063 – 43064

43065 – 43066

43067 – 43068

43069 – 43070

43071 – 43072

43073 – 43074

43075 – 43076

43077 – 43078

3040 – 3041 (BE0 – BE1)

3042 – 3043 (BE2 – BE3)

3044 – 3045 (BE4 – BE5)

3046 – 3047 (BE6 – BE7)

3048 – 3049 (BE8 – BE9)

3050 – 3051

(BEA – BEB)

3052 – 3053

(BEC – BED)

3054 – 3055

(BEE – BEF)

3056 – 3057

(BF0 – BF1)

3058 – 3059

(BF2 – BF3)

3060 – 3061

(BF4 – BF5)

3062 – 3063

(BF6 – BF7)

3064 – 3065

(BF8 – BF9)

3066 – 3067 (BFA – BFB)

3068 – 3069

(BFC – BFD)

3070 – 3071 (BFE – BFF)

3072 – 3073

(C00 – C01)

3074 – 3075

(C02 – C03)

3076 – 3077

(C04 – C05)

Scale Pulse

Display 21

Scale Pulse

Display 22

Scale Pulse

Display 23

Scale Pulse

Display 24

Scale Pulse

Display 25

Scale Pulse

Display 26

Scale Pulse

Display 27

Scale Pulse

Display 28

Scale Pulse

Display 29

Scale Pulse

Display 30

Scale Pulse

Display 31

Scale Pulse

Display 32

Scale Pulse

Input 1

Scale Pulse

Input 2

Scale Pulse

Input 3

Scale Pulse

Input 4

Scale Pulse

Input 5

Scale Pulse

Input 6

Scale Pulse

Input 7

Read Write -99999 to 999999 User defined Floating point

Read Write 0.0 to 99999.9 Hz Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 26

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

43079 – 43080

43081 – 43082

43083 – 43084

43085 – 43086

43087 – 43088

43089 – 43090

43091 – 43092

43093 – 43094

43095 – 43096

43097 – 43098

43099 – 43100

43101 – 43102

43103 – 43104

43105 – 43106

43107 – 43108

43109 – 43110

43111 – 43112

43113 – 43114

43115 – 43116

3078 – 3079

(C06 – C07)

3080 – 3081

(C08 – C09)

3082 – 3083 (C0A – C0B)

3084 – 3085

(C0C – C0D)

3086 – 3087 (C0E – C0F)

3088 – 3089

(C10 – C11)

3090 – 3091

(C12 – C13)

3092 – 3093

(C14 – C15)

3094 – 3095

(C16 – C17)

3096 – 3097

(C18 – C19)

3098 – 3099 (C1A – C1B)

3100 – 3101

(C1C – C1D)

3102 – 3103 (C1E – C1F)

3104 – 3105

(C20 – C21)

3106 – 3107

(C22 – C23)

3108 – 3109

(C24 – C25)

3110 – 3111

(C26 – C27)

3112 – 3113

(C28 – C29)

3114 – 3115 (C2A – C2B)

Scale Pulse

Input 8

Scale Pulse

Input 9

Scale Pulse

Input 10

Scale Pulse

Input 11

Scale Pulse

Input 12

Scale Pulse

Input 13

Scale Pulse

Input 14

Scale Pulse

Input 15

Scale Pulse

Input 16

Scale Pulse

Input 17

Scale Pulse

Input 18

Scale Pulse

Input 19

Scale Pulse

Input 20

Scale Pulse

Input 21

Scale Pulse

Input 22

Scale Pulse

Input 23

Scale Pulse

Input 24

Scale Pulse

Input 25

Scale Pulse

Input 26

Read Write 0.0 to 99999.9 Hz Floating point

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Page 27

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

43117 – 43118

43119 – 43120

43121 – 43122

43123 – 43124

43125 – 43126

43127 – 43128

43129

44001 – 44002

44003 – 44004

44005 – 44006

44007 – 44008

44009 – 44010

44011 – 44012

44013 – 44014

44015 – 44016

44017 – 44018

44019 – 44020

44021 – 44022

3116 – 3117

(C2C – C2D)

3118 – 3119 (C2E – C2F)

3120 – 3121

(C30 – C31)

3122 – 3123

(C32 – C33)

3124 – 3125

(C34 – C35)

3126 – 3127

(C36 – C37)

3128

(C38)

4000 – 4001

(FA0 – FA1)

4002 – 4003

(FA2 – FA3)

4004 – 4005

(FA4 – FA5)

4006 – 4007

(FA6 – FA7)

4008 – 4009

(FA8 – FA9)

4010 – 4011 (FAA – FAB)

4012 – 4013

(FAC – FAD)

4014 – 4015 (FAE – FAF)

4016 – 4017

(FB0 – FB1)

4018 – 4019

(FB2 – FB3)

4020 – 4021

(FB4 – FB5)

Scale Pulse

Input 27

Scale Pulse

Input 28

Scale Pulse

Input 29

Scale Pulse

Input 30

Scale Pulse

Input 31

Scale Pulse

Input 32

Remote Scale

Pulse Flag

Scale PV2 mA

Display 1

Scale PV2 mA

Display 2

Scale PV2 mA

Display 3

Scale PV2 mA

Display 4

Scale PV2 mA

Display 5

Scale PV2 mA

Display 6

Scale PV2 mA

Display 7

Scale PV2 mA

Display 8

Scale PV2 mA

Input 1

Scale PV2 mA

Input 2

Scale PV2 mA

Input 3

Read Write 0.0 to 99999.9 Hz Floating point

Write Only

Read Write -99999 to 999999 User defined Floating point

Read Write -99.999 to 99.999 mA Floating point

0xFF00 to

execute remote

scaling.

None

Unsigned

integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Used to remote scale the Pulse input. Caution! See Note 5.

After all the Display and Input values have been sent, write 0xFF00 to register 44129.

Page 28

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

44023 – 44024

44025 – 44026

44027 – 44028

44029 – 44030

44031 – 44032

44129

45001 – 45002

45003 – 45004

45005 – 45006

45007 – 45008

45009 – 45010

45011 – 45012

45013 – 45014

45015 – 45016

45017 – 45018

45019 – 45020

45021 – 45022

45023 – 45024

4022 – 4023

(FB6 – FB7)

4024 – 4025

(FB8 – FB9)

4026 – 4027 (FBA – FBB)

4028 – 4029

(FBC – FBD)

4030 – 4031 (FBE – FBF)

4128

(1020)

5000 – 5001

(1388 – 1389)

5002 – 5003

(138A – 138B)

5004 – 5005

(138C – 138D)

5006 – 5007

(138E – 138F)

5008 – 5009

(1390 – 1391)

5010 – 5011

(1392 – 1393)

5012 – 5013

(1394 – 1395)

5014 – 5015

(1396 – 1397)

5016 – 5017

(1398 – 1399)

5018 – 5019

(139A – 139B)

5020 – 5021

(139C – 139D)

5022 – 5023

(139E – 139F)

Scale PV2 mA

Input 4

Scale PV2 mA

Input 5

Scale PV2 mA

Input 6

Scale PV2 mA

Input 7

Scale PV2 mA

Input 8

Remote Scale

PV2 mA Flag

Scale PV2 Volts

Display 1

Scale PV2 Volts

Display 2

Scale PV2 Volts

Display 3

Scale PV2 Volts

Display 4

Scale PV2 Volts

Display 5

Scale PV2 Volts

Display 6

Scale PV2 Volts

Display 7

Scale PV2 Volts

Display 8

Scale PV2 Volts

Input 1

Scale PV2 Volts

Input 2

Scale PV2 Volts

Input 3

Scale PV2 Volts

Input 4

Read Write -99.999 to 99.999 mA Floating point

Write Only

Read Write -99999 to 999999 User defined Floating point

Read Write -99.999 to 99.999 Volt Floating point

0xFF00 to

execute remote

scaling.

None

Unsigned

integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

Used to remote scale the PV2 mA input. Caution! See Note 5.

After all the Display and Input values have been sent, write 0xFF00 to register 45129.

Page 29

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

1

Register

Number Address (hex)

Name Access

Limits or

Range

2

Units

Data

Type

3

Function

Code(s)

Comments

45025 – 45026

45027 – 45028

45029 – 45030

45031 – 45032

45129

49901 – 49904

49905 – 49908

49999

5024 – 5025

(13A0 – 13A1)

5026 – 5027

(13A2 – 13A3)

5028 – 5029

(13A4 – 13A5)

5030 – 5031

(13A6 – 13A7)

5128

(1408)

9900-9903

(26AC – 26AF)

9904-9907

(26B0 – 26B3)

9998

(270E)

Scale PV2 Volts

Input 5

Scale PV2 Volts

Input 6

Scale PV2 Volts

Input 7

Scale PV2 Volts

Input 8

Remote Scale

PV2 Volts Flag

Product Identifier Read Only Not applicable None

Firmware Version Read Only Not applicable None

Load Factory

Defaults

Read Write -99.999 to 99.999 Volt Floating point

Write Only

0xFF00 to

execute remote

scaling.

0xFF00 to

initialize

None

Unsigned

integer

ASCII

characters

ASCII

characters

Unsigned

integer

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04,

06, 16

03, 04

06, 16

Used to remote scale the PV2 Volts input. Caution! See Note 5.

8 characters indicating the product digit software release number (for SFT039 this would be 039), three ASCII hex character value of the Main board input, and two ASCII hex characters of the Input card (see Table 6).

8 characters indicating the firmware version number

Write 0xFF00 to load factory defaults to the meter. Writing any other data has no effect.

Page 30

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Notes

Note 1. The Register numbers and addresses follow the Modbus format:

 3xxxx are for Input Registers and are read – only.  4xxxx are for Holding Registers and are read/write.

Although there are no specific 3x Registers, all 4x Registers are mirrored into 3x register space, and are therefore capable of being read by Modbus function 04 (Read Input Registers). All data addresses in Modbus messages are referenced to zero (0), while Register addresses are referenced to one (1). For example, Register 40100 is sent in the Modbus message as 0x0063 (100 - 1 = 99 ≡ 63 hex). If two addresses are shown separated by a “ – ”, they form a register pair to make the parameter into a 4-byte (32 bit) value.

Note 2. Limits or Range: Writing a value that is outside the parameters range will

force it to be limited to the closest value within the range. For example, if the range is -1.99 to +1.99 and the value sent is 3.21, the value used is

1.99. Likewise for the lower side of the range. Exceptions are noted in the comments.

Note 3. Data Types:

Data format is highest byte first. Word = 16 bit Integer = -32768 to 32767 Unsigned integer = 0 to 65535 Long = -2,147,483,648 to 2,147,483,647 Float = IEEE floating point format, 4 bytes

Integers data: The values represent the number without regard to the decimal point. The decimal point setting can be found in Holding Register 40102.

For example, if the number 1234.56 is displayed, a read of both 40021 – 40022 together will return 1 – 23456 (0x0001 – 0xE240). Register 40102 will contain 2 (0x0002) to indicate a decimal point setting of two places to the right of the decimal point. A floating point version of the displayed number, with the decimal point included, is also available by accessing register 40001 – 40002.

Example (register values are shown in hexadecimal):

Process value

displayed

123.456 42F6 – E979 0001 E240 0003

1234.56 449A – 51EC 0001 E240 0002

12345.6 4640 – E666 0001 E240 0001

-1234.5 C49A – 5000 FFFF CFC7 0001

Registers

40001 – 40002

Register

40021

Register

40022

Register

40102

Note 4. A read of the Password register will return 0x000000 if the meter is

unlocked, otherwise it will return 0xFFFFFF to indicate a locked meter. To unlock, the correct lock number must be written, which will then clear the lock number to 0x000000. If the wrong lock number is written, the reply will return 0xFFFFFF. If the correct lock number is written, the reply will be 0x000000. An unlocked meter can be locked by writing any non – zero value up to 0x999999.

Note 5. Remote scaling procedure:

a. Write the desired values for the display, Display 1 & 2, for

the active input type. The active input type is selected using the Input Selection register 40101 and

b. Write the desired values for the input, Input 1 & 2, for the

active input type.

c. Write to the remote scaling register for the active input

type.

Warning!

The scaling process takes the input values and converts them to A/D counts. Therefore, do NOT execute a remote scaling register write without first writing the display and input registers. In a similar vein, don’t write to the mA registers and then execute a remote scale command for the volts input.

Warning!

Always allow the meter and the signal input circuitry to warm – up at least 20 minutes prior to calibrations. The scaling process takes the input values in mA or volts and converts them to A/D counts. Therefore, do NOT execute a remote scaling register write without first writing the display and input registers. In a similar vein, don’t write to the mA (volts) registers and then execute a remote scale command for the volts (mA) input.

Table 1.

Page 31

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Tables

Table 1. Input configuration (40101)

Valid input configuration settings are dependent on the meter type (i.e. temperature type and unit settings are only valid when the meter has a temperature input – otherwise the bits are 0’s for both read and write).

Bit(s) 15, 14, 13, 12, 11, 10, 9, 8 7 6, 5, 4 3, 2, 1, 0

Function Input Setting

00000000 Volts 0 °C 000 dddddd (dddd for temperature) 0000 Type J thermocouple

00010001 Current 1 °F 001 ddddd.d (dddd.d for temperature) 0001 Type K thermocouple

00100010 RTD 010 dddd.dd 0010 Type T thermocouple

00100011 Thermocouple 011 ddd.ddd 0011 Type E thermocouple

10000000 Pulse 100 dd.dddd 0100 Type R thermocouple

101 d.ddddd 0101 Type S thermocouple

1000 Type C thermocouple

Temperature

Unit Setting

Decimal Point Setting Temperature Type Setting

110 dddd°u (° symbol temp unit displayed) 111 dddd.du (temperature unit displayed)

0110 Type B thermocouple

0111 Type N thermocouple

1001 100  Platinum RTD (385)

1010 100  Platinum RTD (392)

1011 1000  Platinum RTD (385)

1100 1000  Platinum RTD (392)

1101 10  Copper RTD

1110 120  Nickel RTD

Page 32

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Table 2. Display Settings

Big Display Settings (40117)

Integer

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

Function

Display Process Value

Display Set Point 1

Display Set Point 2

Display Set Point 3

Display Set Point 4

Display Set Point 5

Display Set Point 6

Display Set Point 7

Display Set Point 8

Display Maximum Display Value

Display Minimum Display Value

Display Maximum / Minimum Display Value

Display Rate

Display Total

Display Grand Total

Display Rate / Total

Display Rate / Grand Total

Display Batch Counter

Modbus Display

Display PV2

Display PCT (PV1 %)

Little Display Settings (40118)

Integer

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Function

Display Process Value

Display Set Point 1

Display Set Point 2

Display Set Point 3

Display Set Point 4

Display Set Point 5

Display Set Point 6

Display Set Point 7

Display Set Point 8

Display Maximum Display Value

Display Minimum Display Value

Display Maximum / Minimum Display Value

Display Rate

Display Total

Display Grand Total

Display Rate / Total

Display Rate / Grand Total

Display Batch Counter

Modbus Display

Display PV2

Display PCT (PV1 %)

Display Engineering Units

Display Set 1 / Rate (Batch only)

Display OFF

Page 33

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

g

y

)

y

(

)

y

(

)

Table 3. User Programmable Settings

Digital Inputs & Function Keys Setting (40152 – 40162)

Integer Function Key, DI Reg. No. Integer Function

0 Disable Function F1 152 0 Disable Function 1 Menu Key F2 153 1 Alarms Acknowledged 2 Right Arrow Key F3 154 2 End of Batch 3 Up Arrow Key DI-1 155 3 Batch Counter Reset 4 Enter Key DI-2 156 4 Total Reset 5 Acknowledge Alarms DI-3 157 5 Grand Total Reset 6 Select Reset Menu DI-4 158 6 Maximum Value Reset 7 Select Reset Batch Counter DI-5 159 7 Minimum Value Reset 8 Select Reset Total DI-6 160 8 Maximum/Minimum Value Reset

9 Select Reset Grand Total DI-7 161 9 Reserved 10 Select Reset Maximum Value DI-8 162 10 Reserved 11 Select Reset Minimum Value 11 Alarm 1 Active 12 Select Reset Max & Min Values 12 Alarm 2 Active 13 Reserved 13 Alarm 3 Active 14 Reserved 14 Alarm 4 Active 15 Select Relay Menu 15 Alarm 5 Active 16 Select Set Point 1 Programmin 17 Select Set Point 2 Programmin 18 Select Set Point 3 Programmin 19 Select Set Point 4 Programmin 20 Select Set Point 5 Programmin 21 Select Set Point 6 Programmin 22 Select Set Point 7 Programmin 23 Select Set Point 8 Programmin 24 Select Start Batch DO-2 164 25 Select Stop Batch DO-3 165 26 Reserved DO-4 166 27 Select Relay Disable DO-5 167 28 Select Relay Enable DO-6 168 29 Select Relay Output Hold DO-7 169 30 Reserved DO-8 170 31 Select Display Menu 32 Select Big Display Menu 33 Select Maximum Value on Big Displa 34 Select Minimum Value on Big Displa 35 Select Maximum/Minimum Value on Big Displa 36 Select Little Display Menu 37 Select Maximum Value on Little Displa 38 Select Minimum Value on Little Displa 39 Select Maximum/Minimum Value on Little Displa 40 Force ON Relay #1 (Relay 1 Action must be set to Off 41 Force ON Relay #2 (Relay 2 Action must be set to Off 42 Force ON Relay #3 (Relay 3 Action must be set to Off 43 Force ON Relay #4 (Relay 4 Action must be set to Off

44 Select Grand Total Value on Little Displa 45 Select Batch Count Value on Little Displa

Batch

Digital Outputs Settings (40163 – 40169)

16 Alarm 6 Active 17 Alarm 7 Active 18 Alarm 8 Active 19 Start Batch Selected 20 Stop Batch Selected

DO Reg. No. DO-1 163

Note: Some of the functions listed are dependent on

model being used. For example: the batch functions are only available with the batch controller model.

Page 34

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Table 4. Relay Configuration Mode (40301, 310, … 364)

Bit(s)

Function Reserved Sensor Break Fail-Safe Preclose Action Assignment

000000 00 Ignore 0 Normal 0 Normal 000 Automatic reset 000 Process Value (Temp/Rate)

01 OFF 1 Failsafe 1 Preclose 001 Auto & Manual reset 001 Total

10 ON 010 Latching 010 Grand Total

011 Latching with Clear 011 Modbus Input (40072 – 73) Big

100 Pump Alternation

101 Sample

110 Unused

111 Off (Disabled)

Table 5. 4-20 mA Output Data Source Modes (40402)

Integer

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

15 – 10 9 – 8 7 6 5 – 3 2 – 0 Relay

Function Process Value (Temp/Rate)

Max Display Value

Min Display Value

Modbus Input (40072 – 73) Big Display

Total

Grand Total

Set Point 1

Set Point 2

Set Point 3

Set Point 4

Set Point 5

Set Point 6

Set Point 7

Set Point 8

Reserved

Factory Use Only

Registers

Rly1: 301

Rly2: 310

Rly3: 319

Rly4: 328

Rly5: 337

Rly6: 346

Rly7: 355

Rly8: 364

Page 35

MPM, APM, PPM, & LTI Series Modbus® Register Tables Serial Communication

Table 6. Input Identification Configuration (49901 – 49904)

Firmware Identifier Main Board Configuration Input Board Configuration

Byte Product

039 MPM, APM, PPM

063 LTI

Table 7. Allowable ASCII Character Set (40076 – 81, 40082 – 87, 40119 – 124)

Display HEX ASCII Display HEX ASCII Display HEX ASCII Display HEX ASCII

0 1 2 3 4 5 6 7 8 9

30 0

31 1

32 2

33 3

34 4

35 5

36 6

37 7

38 8

39 9

A b C c d e f g

9 H

h I

i

Byte

000

100

200

300

400

500

600

700

41 A

62 b

43 C

63 c

64 d

45 E

46 F

47 G

67 g

48 H

68 h

49 I

69 i

Function Process / Temp

Process Totalizer

Pulse Totalizer Note: Each register holds two ASCII

Dual Process

Reserved

Process Batching

Pulse Batching

Reserved

j k l nm n O o p q r s t

u

Byte

00

characters. Example: APM (SFT039) 49901: 0x3033 = 03 49902: 0x3930 = 91 49903: 0x3030 = 00 49904: 0x3030 = 00

4A J

4B K

4C L

6D m

6E n

4F O

6F o 50 P

71 q

72 r

53 S

74 t

75 u

v uw x y z

- / [ ] =

!

Function Reserved

56 V

77 w

58 X

59 Y

5A Z

2D -

2F / 5B ]

5D [

3D =

20 SP

3C <

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