Holding registers – COSA Xentaur Xentaur XDTL-HT User Manual

Page 43

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43

Appendix B: Modbus Registers

Holding Registers

Register
Number

Address

Access

Level

Data
Type

Description

Values

Measurement setting registers

40099

98 (62h)

Admin

32-bit

Critical Alarms

bit 0: Dewpoint
bit 1: Sample Temperature
bit 2: Sample Pressure
bit 3: Enclosure Temperature
bit 4: User Input 1
bit 5: User Input 2
bit 6: User Input 3
bit 7: User input 4
bits 8-31: Unused

40101

100 (64h)

User

16-bit

Dewpoint engineering unit

0=°C
1=°F
2=ppmV
3=lbs H

2

O/mm scf

4=g/m

3

40102

101 (65h)

Read-Only

Float

Dewpoint low limit

Valid values are -100 - 99999.9

40104

103 (67h)

Read-Only

Float

Dewpoint high limit

Valid values are -100 - 99999.9

40106

105 (69h)

Admin

Float

Dewpoint low alarm

Valid values are -100 - 99999.9

40108

107 (6Bh)

Admin

Float

Dewpoint high alarm

Valid values are -100 - 99999.9

40110

109 (6Dh)

User

16-bit

Sample temperature engineering unit

0=°C
1=°F

40111

110 (6Eh)

Read-Only

Float

Sample temperature low limit

Valid values are -100 - 100

40113

112 (70h)

Read-Only

Float

Sample temperature high limit

Valid values are -100 - 100

40115

114 (72h)

Admin

Float

Sample temperature low alarm

Valid values are -100 - 100

40117

116 (74h)

Admin

Float

Sample temperature high alarm

Valid values are -100 - 100

40119

118 (76h)

User

16-bit

Sample pressure engineering unit

0=psiA
1=mbar

40120

119 (77h)

Read-Only

Float

Sample pressure low limit

Valid values are 0 - 100

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