SchV02.1, SchV72.1, SchV96.1, SchV120.1
Specifications
Documentation
Overall drawings
|
Type |
Overall dimensions, mm |
Panel cutout, mm |
Sign height, mm |
Weight, kg, max. |
|
SchV02.1 |
96 х 48 х148 (w/ protective cover) 96 х 48 х 121,5 (w/o cover) |
92х45 |
20 |
0.4 |
|
SchV72.1 |
72 х 72 х 103 (w/ protective cover) 72 х72 х 75,6 (w/o cover) |
68х68 |
14 |
0.4 |
|
SchV96.1 |
96 х 96 х 103 (w/ protective cover) 96 х 96 х 75,6 (w/o cover) |
92х92 |
20 |
0.4 |
|
SchV120.1 |
120 х 120 х 103 (w/ protective cover) 120 х 120 х 75,6 (w/o cover) |
112х112 |
20 |
0.5 |
|
Accuracy class |
0.5 |
|
Temperature range (operating) |
UKhL3.1 (-40... +50 °С) |
|
Maximum indication range |
-9999...+9999 |
|
Rated frequency range measured signals |
50 Hz |
|
Number of measuring channels |
1 current input; 1 voltage input |
|
Front frame protection level |
IP50 |
|
Rated power factor |
For wattmeter cosφ=1, for wattmeter sinφ=1 |
|
Interface RS485 (protocol Modbus RTU) |
Interface RS485 (protocol Modbus RTU) – basic for data transmission; – additional for data transmission or connection of the display and Display panel (MI120, MI80) (for SchV96.1, SchV12.1 only) |
|
Interface exchange rate |
4800, 9600, 19200, 38400 baud. |
|
Analogue output (accuracy class 0.5) |
Quantity: 0, 1, 2 Range: 0...5 mA, 0...2.5...5 mA, 0…20 mA, 4...12...20 mA, 4...20 mA, 0…10…20 mA |
|
Digital output |
Quantity: 0, 1, 2 DC voltage 300 V, 100 mA or AC voltage 200 V, 100 mA |
|
Maximum permissible input signal overload |
150% (2 hours) |
|
Measurement time, max. |
0.1 s |
|
Time of setting output analogue signal, max |
0.5 s |
|
Voltage drop when measuring current |
30 mV |
|
Power supply |
– 5 VN (5+4/-0.5) VDC, – 12 VN (12+6/-3) VDC, – 24 VN (24+12/-6) VDC, – 220 VU (85...253 VAC, – (50 ± 0.5) Hz or 120 ... 265 VDC) |
|
Power consumption, max |
6 V•А |
|
Guarantee period |
2 years |
|
Mean life |
25 years |
|
Mean time between failures |
200,000 |
|
Note: outer connections are carried out with screw terminals ensuring connection of copper or aluminium wires of up to 2.5 mm2 in cross-section (diameter of 1.8 mm max.). |
|
Order form
SchVa – b – c – d – e – f – g – h – i
а – meter type (by dimensions):
02.1 – 96×48; 72.1– 72×72; 96.1– 96×96; 120.1 – 120×120
b – rated voltage, or Kvt:
100 V, 380 V, 400 V – rated voltage;
U/100 – U rated voltage of the voltage transformer primary winding, secondary winding rated voltage of 100 V
c – rated current, or Kct:
0.5А, 1А, 2.5А, 5А – rated current;
I/1, I/5 – I rated current of the current transformer primary winding, secondary winding rated current of 1А or 5А
d – unit of measurement:
W, kW, MW, ±VAr, ±kVAr, ±MVAr, W/±VAr, kW/±kVAr, MW/±MVAr
e – power:
220 VU – universal power: supply voltage of 85 ...253 VAC, 50 Hz or 120...265 VDC;
5 VN – (5+4/-0.5) VDC;
12 VN – (12+6/-3) VDC;
24 VN – (24+12/-6) VDC
f – interface:
1 RS – one RS485 (main)
2 RS – two RS485 (main and additional) Note: meters SchV02.1, SchV72.1 are manufactured with one interface only (f = 1RS).
g – reference designations of measurement range output analogue signal
х – no parameter;
Х – one output analogue signal
(Example: А, В, С, ВР)
Х/Y – two output analogue signals
(Example: А/А; А/В; С/ВР) (А = 0…5 mA; В = 4…20 mA; С = 0…20 mA; АР = 0…2.5…5 mA; ВР = 4…12…20 mA; СР = 0…10…20 mA);
h – availability of analogue and digital outputs (designation depends on a number of output signals):
х – no parameter (with the absence of output analogue and digital signals);
20, 02, 11 – SchV72.1
12, 20, 22 – SchV96.1, 02.1, SchV120.1, where
11 – 1 analogue output, 1 digital output;
12 – 1 analogue output, 2 digital outputs;
02 – with no analogue output, 2 digital outputs;
20 – 2 analogue outputs with no digital output (the parameter is specified for a meter with the unit of displayed value х W/х VAr);
22 – 2 analogue outputs, 2 digital outputs (the parameter is specified for SchV120.1, SchV96.1, SchV02.1 design only with the unit of displayed value х W/х VAr);
I – Indication colour:
R – red; Y – yellow; G – green.
|
SchVa meter type |
Full reference designation code parameter |
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|
Rated value or factor of transformation |
Displayed parameter |
Supply voltage |
Number of interfaces |
Number of analogue and digital outputs |
Indication colour |
||
|
b |
с |
d |
e |
f |
g |
h |
|
|
SchV02.1 |
U |
I |
W, VAr, ±VAr |
+ |
1RS |
×, 12, 20, 22 |
+ |
|
SchV72.1 |
U |
I |
W, VAr, ±VAr |
+ |
1RS |
×, 02, 11, 20 |
+ |
|
W/VAR, W/±VAr |
×, 02, 20 |
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|
SchV96.1 |
U |
I |
W, VAr, ±VAr |
+ |
1RS, 2RS |
×, 12, 20, 22 |
+ |
|
W/VAR, W/±VAr |
×, 20, 22 |
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|
SchV120.1 |
U |
I |
W, VAr, ±VAr |
+ |
1RS, 2RS |
×, 12, 20, 22 |
+ |
|
W/VAR, W/±VAr |
×, 20, 22 |
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|
Notes Sign “+” means that availability of all possible versions of a parameter in the order formula. Sign “–” means that no parameter is available in the order formula. Analogue output ranges are specified in brackets after a number of outputs. |
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Ordering example
SchV02.1 – 100V – 5А – MW – х – 220VU – 1RS – CP – 12 – З TU 25-7504.217-2015
For the meter with the following characteristics: type of SchV02.1 meter, rated voltage of 100 V, rated current of 5 A, power measurement unit is MW, no additional indication parameter, supply voltage of 85...253 VAC, 50 Hz or 120...265 VDC, one interface RS485, range change in output analogue signal of 0…10…20 mA, two digital outputs, green indication colour.
