Incon 1250-LTC - Page 22

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Table 2.8 RS-485 MODBUS Register Definitions
Register
Address:
Decimal
[hex]
Class & Type Function: Binary Format:
40001
[0000]
Class:
Configuration
Type:
Read\write
Setup / run
mode select
000000000000000s
LSB (s)
0 – run mode
1 – setup mode
This bit must be 1 before any
program parameter can be changed
40002
[0001]
Class:
AlarmClearing,
AlarmStatus
Type:
Read\write,
Write 0 to clear
Synchro input
signal status
000000000000000s
LSB (s)
0 – OK input signal is present
1 – ALARM input signal is lost
40257,
40258
[0100,
0101]
Class: State
Type: Read-only
Angle
(cumulative)
[The value can
exceed +\- 360.0
degrees]
seeeeeeeemmmmmmm MSW
mmmmmmmmmmmm LSW
IEEE 754-1985 single precision float
MSW = [0100] LSW = [0101]
40264
[0107]
Class: State
Type: Read-only
Tap, neutral tttttttt0000nnnn
[“0000” are unused bits]
“t”= 8-bit tap number
“n”= 4-bit neutral number
(both in binary)
40513
[0200]
Class:
Configuration
Type: Write-only,
Write one to clear
Draghand reset
control
00000000000000HL
“H”= high draghand
“L”= low draghand
0 ignored
1 = reset
40516
[0203]
Class: State
Type: Read-only
High tap
draghand
tttttttt0000nnnn
[“0000” are unused bits]
“t
”= 8-bit tap number
“n
”= 4-bit neutral number
(both in binary)