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DIRIS A20 Multifunction meters - PMD multi-measurement meter - dimensions 96 x 96 mm Electrical characteristics Current measurement (TRMS) Via CT primary 9 999 A Via CT secondary 5 A Measurement range 0 … 11 kA Input consumption 0.6 VA Measurement updating period 1 s Accuracy 0.2 % Permanent overload 6 A Intermittent overload 10 I n for 1 s Voltage measurements (TRMS) Direct measurement between phases 50 … 500 VAC Direct measurement between phase and neutral 28 … 289 VAC Input consumption ≤ 0.1 VA Measurement updating period 1 s Accuracy 0.2 % Permanent overload 800 VAC Power measurement Measurement updating period 1 s Accuracy 0.5 % Power factor measurement Measurement updating period 1 s Accuracy 0.5 % Frequency measurement Measurement range 45 … 65 Hz Measurement updating period 1 s Accuracy 0.1 % Terminals Energy accuracy Active (according to IEC 62053-22) Class 0.5 S Reactive (according to IEC 62053-23) Class 2 Auxiliary power supply Alternating voltage 110 … 400 VAC AC tolerance ± 10 % Direct voltage 120 … 350 VDC DC tolerance ± 20 % Frequency 50 / 60 Hz Consumption 10 VA Pulse or alarm output Number 1 Type 100 VDC - 0.5 A - 10 VA Max. number of operations ≤ 10 8 Inputs Number 3 Power supply 10 … 30 VDC Minimum signal width 10 ms Minimum duration between 2 pulses 18 ms Type Phototransistors Communication Link RS485 Type 2 … 3 half duplex wires Protocol MODBUS RTU MODBUS ® speed 1400 … 38400 bauds Operating conditions Operating temperature - 10 … + 55 °C Storage temperature - 20 … + 85 °C Relative humidity 95 % DIRIS_578_a_1_x_cat V1 DIRIS A20 V2 V3 VN A U X S1 S2 S1 S2 S1 S2 I1 I2 I3 S1 - S2: current inputs. AUX: auxiliary power supply U s . V1, V2, V3 & VN: voltage inputs. Communication module Output or alarm module 3 inputs, 1 output module DIRIS_579_a_1_x_cat 0V - + RS485 DIRIS A20 Connection 1 0n R = 120 RS485 link. R = 120 Ω: selectable internal resistance for RS485 end of line termination. Recommendation: - For IT earthing systems, it is recommended that the CT secondary is not connected to earth. - When disconnecting the DIRIS, the secondary of each current transformer must be short-circuited. This operation can be carried out automatically by a SOCOMEC PTI, an accessory which is included in this catalogue. Please consult us. Low voltage balanced network 3/4 wires with 1 CT P1 S1 S2 DIRIS_580_b_1_x_cat N L1 L2 L3 DIRIS A20 18 19 OUT 1 18 - 19 : output n°1 Single-phase P1 S1 S2 L1 N + - + - + - 12 13 14 15 16 17 IN 3 DIRIS A20 Two-phase IN 2 IN 1 P1 S1 S2 19 18 OUT 1 L1 L2 1 1 1 1 1 1 diris_392_d_1_x_cat V1 V2 V3 VN S1 S2 I1 S1 S2 S1 S2 I2 I3 Use of 1 CT reduces by 0.5% the accuracy of the phases, the current of which is worked out by vector calculation. 1. Fuses 0.5 A gG / 0.5 A class CC. diris_393_d_1_x_cat V1 V2 V3 VN S1 S2 S1 S2 S1 S2 I1 I2 I3 1. Fuses 0.5 A gG / 0.5 A class CC. diris_394_d_1_x_cat V1 V2 V3 VN S1 S2 S1 S2 S1 S2 I1 I2 I3 1. Fuses 0.5 A gG / 0.5 A class CC. 84 Catalogue 2017
DIRIS A20 Multifunction meters - PMD multi-measurement meter - dimensions 96 x 96 mm Low voltage unbalanced network 3/4 wires with 3 CTs 3 wires with 2 CTs 3 wires with 2 CTs diris_395_d_1_fr_cat 1 1 1 V1 V2 V3 VN P1 S1 S2 P1 S1 S1 S2 S1 S2 S1 S2 I1 I2 I3 N L1 L2 L3 S2 diris_396_d_1_gb_cat 1 1 1 V1 V2 V3 VN P1 S1 I1 S2 I2 P1 S1 S1 S2 S1 S2 S1 S2 I3 L1 L2 L3 S2 1 1 1 V1 V2 V3 VN P1 S1 S1 I1 S2 P1 S1 S1 I2 S2 S2 S1 I3 S2 L1 L2 L3 diris_397_d_1_x_cat 1. Fuses 0.5 A gG / 0.5 A class CC. Use of 2 CTs reduces by 0.5% the accuracy of the phases, the current of which is worked out by vector calculation. Use of 2 CTs reduces by 0.5% the accuracy of the phases, the current of which is worked out by vector calculation. 1. Fuses 0.5 A gG / 0.5 A class CC. 1. Fuses 0.5 A gG / 0.5 A class CC. Additional information Communication via RS485 link AC & DC auxiliary power supply 110 / 400 VAC 120 / 350 VDC diris_398_c_1_x_cat 0V - + RS485 LIYCY-CY ON diris_400_i_1_fr_cat 1 1 A U X 1. Fuses 0.5 A gG / 0.5 A class CC. References Basic device DIRIS A20 Auxiliary power supply U s Reference 110 … 400 VAC / 120 … 350 VDC 4825 0200 Optional plug-in modules Reference 1 output 4825 0080 RS485 MODBUS ® communication 4825 0082 3 inputs, 1 output 4825 0083 Accessories Description of accessories To be ordered in multiples of Reference IP65 protection 1 4825 0089 Panel mounting kit for a 144 x 96 mm cut-out 1 4825 0088 Fuse disconnect switches for the protection of voltage inputs (type RM) 3 poles 4 5601 0018 Fuse disconnect switches for the protection of the auxiliary supply (type RM) 1 pole + neutral 6 5601 0017 Fuse type gG 10x38 0.5 A 10 6012 0000 Ferrite to be associated with communication modules 1 4899 0011 Current transformer range 1 See page 106 Management software for DIRIS See page 140 Expert Services > Study, definition, advice, implementation, maintenance and training… Our experts “Expert Services” offer complete support for the success of your project. Catalogue 2017 85
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CATALOGUE A complete range for mete
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An independent manufacturer The ben
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Adapted solutions to meet your ener
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Expert Services your partner enabli
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a high-quality power supply innovat
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Alphabetical index A Analogue meter
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Why choose SOCOMEC? Metering, monit
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Multi-circuit metering & measuremen
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Selection guide Measurement and mon
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Single-circuit metering, measuremen
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Selection guide Multifunction meter
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Selection guide Current transformer
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DIRIS Digiware Measurement and moni
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DIRIS Digiware D and C Control and
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DIRIS Digiware D and C Control and
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DIRIS Digiware U Voltage measuremen
Page 34 and 35: DIRIS Digiware I Current measuremen
Page 36 and 37: DIRIS Digiware I Current measuremen
Page 38 and 39: DIRIS B-30 Wireless power monitorin
Page 44 and 45: TE sensors Solid current sensors us
Page 46 and 47: TE sensors Solid current sensors us
Page 48 and 49: TR sensors Split-core current senso
Page 50 and 51: TF sensors Flexible current sensors
Page 52 and 53: Single-circuit metering, measuremen
Page 64 and 65: COUNTIS ECix Multi-utility pulse co
Page 66 and 67: RETROFIT Line MID active energy met
Page 68 and 69: RETROFIT Line MID active energy met
Page 72 and 73: MULTIS L50 Digital panel meter thre
Page 74 and 75: DIRIS A10 Multifunction meters - PM
Page 78 and 79: DIRIS A14 Multifunction measuring u
Page 80 and 81: DIRIS A14 Multifunction measuring u
Page 86 and 87: DIRIS A40/A41 Multifunction meters
Page 104 and 105: DIRIS Q800 Network quality analysis
Page 106 and 107: Current transformers Measurement de
Page 120 and 121: Measurement shunts Measurement devi
Page 122 and 123: I Other products Measurement device
Page 124 and 125: Other electrical measurement device
Page 126 and 127: DIRIS G Wireless and cabled RS485 t
Page 128 and 129: DIRIS G Wireless and cabled RS485 t
Page 130 and 131: Datalogger Communication interfaces
Page 132 and 133: Wireless communication interfaces C
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X1 RUN STOP RES DIAG MC APL SYS X2
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COUNTIS E Ci3 Selection guide Energ
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HYPERVIEW Energy management softwar
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COUNTIS and DIRIS management softwa
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COUNTIS and DIRIS management softwa
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References list References Pages Re
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Note 146 Catalogue 2017
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Socomec worldwide IN EURoPE IN ASIA
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