Modbus Registers - Specification
Page 1 of 2
Modbus Registers - Specification
Holding Register (Read Write)
Field
Register
HD
Register
Registers
NON HD
Type
Description
40,002
Sensitivity
0x0001
0x0001
Ultra-Fast
0x0002
0x0002
0-3
u16
0 – Disabled
1 – Enabled
0-1
u16
0 – for 0 sec,
1 – for 5 sec,
2 – for 10
sec, 3 – for
20 sec, 4 –
for 30 sec
0-4
u16
0 – No
1 – Yes
0-1
u16
0 – Disabled
1 – Enabled
(Automatic
mode)
0-1
u16
0 – Disabled
1 – Enabled
Detection sensitivity level.
40,004
Alarm Delay
0x0003
0x0003
Alarm Latch
0x0004
0x0004
40,005
Delay before Alarm
40,006
Window Heater
0x0005
0x0005
Video Enable
0x0006
-
Post Alarm Video Recording Duration
(minutes)
0x0007
-
Video - Analog Output
0x0008
-
Manual BIT - Alarm output test
0x0009
0x0009
Detector Modbus address
0x0020
0x0020
40,033
0x0021
40,034
40,007
40,008
u16
1-3
40,009
Manual BIT
0x0021
RTC
0x0040
0x0040
RTC
0x0041
0x0041
0x0042
RTC
0x0042
40,010
40,065
Range
Low=0,
Medium=1,
High=2,
Extreme=3
u16
40,003
Values
u16
0 – Disabled
2 – NTSC
3 - PAL
0-3
u16
1 - Enabled
0 - Disabled
0-1
u16
Set the Modbus identifier
1-255
Yes=1, No=0
u16
Hour and Minute hh,mm
(MSB, LSB)
40,066
u16
Second and Year ss,yy
40,067
u16
Month and Date MM,dd
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Modbus Registers - Specification
Page 2 of 2
User - Input Registers (Read Only)
Field
Register
HD
Register
NON HD
Alarm Relay
0x0000
0x0000
Fault Relay
0x0001
0x0001
Register
30,001
Type
Description
Boolean
Is the Alarm relay activated
Boolean
Is the Fault relay open
30,002
Values
0 - No Alarm,
1 - Alarm
Range
0-1
0 - Not in fault,
0-1
1 - Fault
30,003
Dirty Window Fault
0x0002
0x0002
Boolean
30,005-30,006
Current Output (0-20mA)
0x0004-0x0005
0x0004-0x0005
Float
Ethernet IP
0x0006-0x0007
0x0006-0x0007
30,007-30,008
u32
Char [2] (ASCII)
u32
FGD detector identifier
0x0010
0x0010
30,017
Serial detector ID
0x0019-0x001A
0x0019-0x001A
30,026-30,027
30,028
Detector Type
0x001B
0x001B
u16
Is the detector in dirty
window fault?
Value outputted through the
0-20mA current output (in
mA)
0 - Not dirty,
0-1
1 - Dirty
See user manual
0-20
ASCII "FG"
"FG" only
Serial number of the detector
101 - IR3-HD
110 - UV-IR
120 - IR3
130 - UV-IR-HD
140 - IR3-H2-HD
150 - IR3-H2
160 - UV-IR-F
170 - UV-IR-F-HD
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