4.2 READING AND WRITING REGISTERS (FUNCTION CODE $03 / $04 / $10)
WARNING! If 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 (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 (FSA1)
Reserved
Phase 2 current full scale (FSA2)
Reserved
Phase 3 current full scale (FSA3)
Reserved
PT primary
PT secondary
Wiring mode
Mode for DMD value calculation
Integration time for DMD value calculation
MODBUS RTU/ASCII
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)
$01F4=500 A
$0FA0=4000 A
$4E20=20000 A
$01F4=500 A
$0FA0=4000 A
$4E20=20000 A
$01F4=500 A
$0FA0=4000 A
$4E20=20000 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
$04=3 phases, 3 wires, 3 currents
$00=fixed window
$05=05 min
$0A=10 min
$0F=15 min
$1E=30 min
$2D=45 min
$3C=60 min
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