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Sensepoint XCD RFD Technical Manual
A.2 Modbus Registers
ModBus Register
Address
30001
Main SW Version of XCD
30002
EEP Version of XCD
30003
WatchDog s/w Version of XCD
30004
Location string
30010
ModBus slave ID
30011
Monitor Status
30012
Inhibit current(mA)
30013
Reserved
30014
Active Alarm
30016
Latched Alarm
30018
Active Fault
30020
Latched Fault
40001
Systern ID code
40002
Systern ID code
40003
Gas reading
40005
Fault and Warning
40006
Alarm, fault and warning state
40007
Monitor state monitering
40008
Reserved
40009
Ca libration Due
40011
Measuring Unit
40012
Peak Reading
40014
Reserved
40017
Temperature (
40018
Reserved
40046
Measuring Gas name string
40053
Reserved
40054
Temperature (
40055
Reserved
40056
Relay Status
40057
Power Supply
40059
Calibration Interval
40060
Alarm Type
40061
Inhibit timeout
40062
Relay configuration
Information
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
o
C)
R
R
R
R
o
F)
R
R
R
R
R/W
R/W
R/w
R/w
SPXCDHMRFENU Issue 1
Type
Size
u8
1
u8
1
u8
1
string[12]
6
u8
1
Upper byte : Function
u16
1
Lower byte : Instrument Mode
u8
1
20 means 2.0mA
u16
1
bit 0 Alarm 1 is active
u32
2
bit 1 Alarm 2 is active
bit 0 Alarm 1 is active
u32
2
bit 1 Alarm 2 is active
Upper Byte: fault
Lower Byte:warning
u32
2
Bit 0:W1~Bit 6:W6
Bit 7:F1~Bit 11:F5
Upper Byte: fault
Lower Byte:warning
u32
2
Bit 0:W1~Bit 6:W6
Bit 7:F1~Bit 11:F5
Upper Byte : Type Code : 0x25
u16
1
Lower Byte : My Address
Upper Byte : Type Code : 0x25
u16
1
Lower Byte : My Address : Dummy Spacer
f32
2
Fault = 1100 + Number
u8
1
Warning = Number as is
bit 0 Alarm 1 is active
bit 1 Alarm 2 is active
bit 2,3 for future expansion
bit 4 Warning is active
u8
1
bit 5 Fault is active
bit 6,7 for future expansion
Note: Latching relay setting latches Modbus
values in register 40006.
1 : Normal
2 : Warm Up after power on
u8
1
3 : Inhibit
12 : Calibration
u16
1
f32
2
4 : PPM
3 : %Vol
u8
1
5 : %LEL
1 : mg/m3
f32
2
Peak Reading
u16
3
s16
1
u16
28
string[14]
7
s16
1
s16
1
u16
1
u8
1
1 : Energized, 0 : De-energized
f32
2
u16
1
High nibble : Alarm 2 Type
u8
1
Low nibble : Alarm 1 Type
0: Disable, 1: Rising, 2:Falling
u16
1
Bit: 0 ~ 2: Relay Type1 ~ Relay Type3
u8
1
Bit: 3~5 : Relay Sstatus1 ~ Relay Status 3
Bit: 6 : Relay Latch Status
75
Note
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