Reading And Writing Registers (Function Code $03 / $04 / $10) - Algodue ELETTRONICA UPM309 Manual Del Usuario

4.2 READING AND WRITING REGISTERS (FUNCTION CODE $03 / $04 / $10)

WARNING! If CT ratio, PT ratio, wiring mode or current full scale is modified, the instrument will:
• reset all MIN/MAX values, all DMD values, all energy counters
• set to the default settings digital output/s (disabled)
• set the default recording setup (disabled) and delete all recorded data
Re g i ste r d es c ript io n
INSTRUMENT GENERAL SETUP
MODBUS address
Communication speed
MODBUS mode
Phase 1 current full scale, according to the instrument:
• For 1/5A CT: CT primary (CT1
• For Rogowski: Full scale (FSA1)
Phase 1 CT secondary (only for 1/5 CT instrument)
Phase 2 current full scale, according to the instrument:
• For 1/5A CT: CT primary (CT2
• For Rogowski: Full scale (FSA2)
Phase 2 CT secondary (only for 1/5 CT instrument)
Phase 3 current full scale, according to the instrument:
• For 1/5A CT: CT primary (CT3
• For Rogowski: Full scale (FSA3)
Phase 3 CT secondary (only for 1/5 CT instrument)
PT primary
PT secondary
Wiring mode
Mode for DMD value calculation
Integration time for DMD value calculation
Available only for instrument with RS485 port.
Available only for ENH instrument version.
72
)
pri
)
pri
)
pri
INTE G E R
F. code
Register
(Hex)
Words
(Hex)
03 / 04 / 10 2026 2
03 / 04 / 10 2028 2
03 / 04 / 10 202A 2
03 / 04 / 10 202C 2
03 / 04 / 10 202E 2
03 / 04 / 10 2030 2
03 / 04 / 10 2032 2
03 / 04 / 10 2034 2
03 / 04 / 10 2036 2
03 / 04 / 10 2038 2
03 / 04 / 10 203A 2
03 / 04 / 10 203C 2
03 / 04 / 10 203E 2
03 / 04 / 10 2040 2
P ro gr a mmabl e dat a
$01...$F7 (1...247)
$01=300 bps
$02=600 bps
$03=1200 bps
$04=2400 bps
$05=4800 bps
$06=9600 bps
$07=19200 bps
$08=38400 bps
$09=57600 bps
$00=7E2 (ASCII)
$01=8N1 (RTU)
Ph1 CT primary: $01...$C350 (1...50000)
FSA1: $01F4=500 A
$0FA0=4000 A
$4E20=20000 A
$01=1 A
$05=5 A
Ph2 CT primary: $01...$C350 (1...50000)
FSA2: $01F4=500 A
$0FA0=4000 A
$4E20=20000 A
$01=1 A
$05=5 A
Ph3 CT primary: $01...$C350 (1...50000)
FSA3: $01F4=500 A
$0FA0=4000 A
$4E20=20000 A
$01=1 A
$05=5 A
$00001...$F423F (1...999999V)
(for direct insertion, set PT =1.
pri
PT =1 will be set automatically)
sec
$50...$96 (80...150V)
(if PT =1 > PT =1 automatically preset,
pri sec
not programmable)
$01=3 phases, 4 wires, 3 currents
$02=3 phases, 3 wires, 2 currents
$03=1 phase
$00=fixed window
$01=sliding window
$02=fixed window with DI synchro
$05=05 min
$0A=10 min
$0F=15 min
$1E=30 min
$2D=45 min
(not available with Sliding window mode)
$3C=60 min
(not available with Sliding window mode)
MODBUS RTU/ASCII, TCP