User manual

MODBUS RTU, ASCII, TCP 23
English
Register description
F. code
(Hex)
Register
(Hex)
Data meaning
COILS
Alarm events 01 0000 40 coils
Byte 1 - voltage out of range
| UV3 | UV2 | UV1 | UV∑ | OV3 | OV2 | OV1 | OV∑ |
Byte 2 - line voltage out of range
| COM | RES | UV23 | UV31 | UV12 | OV23 | OV31 | OV12 |
Byte 3/4 - current out of range
| RES | RES | RES | RES | RES | RES | UIN | UI3 |
| UI2 | UI1 | UI∑ | OIN | OI3 | OI2 | OI1 | OI∑ |
Byte 5 - frequency out of range
| RES | RES | RES | RES | RES | RES | RES | F |
LEGEND
UV=undervoltage
OV=overvoltage
UI=undercurrent
OI=overcurrent
F=frequency out of range
COM=communication in progress
RES=reserved bit to 0
NOTE: the voltage, current and frequency
threshold values can change according to the
combined counter model. Please refer to the
table shown below.
COUNTER
NOMINAL
VOLTAGE
PARAMETER THRESHOLDS
PHASE VOLTAGE
available only for 2-4
wire model counters
LINE VOLTAGE
not available for
2 wire model counter
CURRENT FREqUENCY
A
UV
L-N
: Vnom -20%
OV
L-N
: Vnom +20%
UV
L-L
: Vnom * √3 -20%
OV
L-L
: Vnom * √3 +20%
UI: Start current value (Ist)
OI: Full scale value (FS)
F low: 45Hz
F high: 65Hz
B
C
D
UV
L-N
: 230V -20%
OV
L-N
: 240V +20%
UV
L-L
: 400V -20%
OV
L-L
: 415V +20%