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Modbus Register Definition for iDRX-FP, iDRX-PR, and iDRX-ST
1
Reg. #
2
3
4
5
6
7
8
9
A
B
C
D
E
F
10
11
12
13
14
15
16
Note:
1)
Main, Peak, Valley value: 4 bytes will send from the unit
a.
Highest byte always 00h.
b.
2nd Highest byte: (MSB is sign (1= negative, 0= positive), next 3 bits are number of
decimal points).
c.
Low nibble of second byte, and lowest 2 bytes are the value.
d.
The decimal point register has to set to: 1, 2, 3, or 4.
2)
Bus Format:
Bit 5 1/0 = Modbus/Newport
3)
Output Scale/Offset Write:
Due to write single only, two write operation is needed to write scale/offset, and to
make it effective it needs to follow with Hard Reset command.
4)
To configure to Newport protocol, set bit 5 of Bus Format to low and follow with Hard
Reset command.
Input Range
Read Function
Input/Output Config.
Decimal Point
Filter Time Constant
Reading/Output Scale
Reading/Output Offset
Comm. Parameters
Comm. Bus Format
Comm. Data Format
Comm. Device Addr.
Comm. Recog. Char.
Unit of measure
Gate Time
Debounce Time
Transmit Time
Main Value
Peak Value
Valley Value
Not Supported
Not Supported
Not Supported
Not Supported
Input Range
Write Function
Input/Output Conf.
Decimal Point
Filter Time Constant
Not supported
Not supported
Comm. Parameters
Comm. Bus Format
Comm. Data Format
Comm. Device Addr.
Comm. Recog. Addr.
Not supported
Gate Time
Debounce Time
Transmit Time
Hard Reset
Reset Peak
Reset Valley
M.S. bytes Output Scale
L.S. byte Output Scale
M.S. bytes Output Offset
L.S. byte Output Offset
Page 20
1
# of byte
1
1
1
3
3
1
1
1
1
1
3
1
1
2
3
1
1
2
1
1
2
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