L53U MSYSTEM | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 9
Technical content
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 1/9 https://www.m-system.co.jp/ Power Transducer Series MULTI POWER TRANSDUCER Functions & Features
- Measures simultaneously several variables of a heavy- current power system: current, voltage, active, reactive, and apparent power, active and reactive energy, power factor, frequency, etc.
- All measured values, counter values, setting data are stored in the non-volatile memory at the power off.
- Conversion factors, system configuration, interval times are programmable.
- Open collector output for alarm or energy count. Typical Applications
- Multi-functional power measurement in electric device or in switching boards. mm (inch) 60 (2.36) 105 (4.13) 120 (4.72)
ORDERING INFORMATION
- Code number: L53U-1[1][2][3]-[4][5] Specify a code from below for each of [1] through [5]. (e.g. L53U-1211-AD4/H/A/Q)
- Specify the specification for option code /Q (e.g. /C01/SET) CONFIGURATION 1: Single-phase / 2-wire and 3-wire, 3-phase / 3-wire and 4-wire [1] INPUT 1: 480 V / 1 A AC 2: 480 V / 5 A AC [2] DISCRETE INPUT 0: None ( ‘External Interface’ codes 1, 4 and 5 Not selectable.) 1: 24 V DC (‘External Interface’ codes 2, 3, 6 and 7 Not selectable.) 2: 110 V DC (‘External Interface’ codes 2, 3, 6 and 7 Not selectable.) [3] EXTERNAL INTERFACE 1: Modbus, Do × 1, Di × 1 2: 4 – 20 mA DC × 4 3: 1 – 5 V DC × 4 4: 4 – 20 mA DC × 2, Do × 1, Di × 1 5: 1 – 5 V DC × 2, Do × 1, Di × 1 6: 4 – 20 mA DC × 2, Do × 2 7: 1 – 5 V DC × 2, Do × 2 [4] AUXILIARY POWER SUPPLY AD4: universal 100 – 240 V AC (Operational range 85 – 264 V, 47 – 66 Hz) / 110 – 240 V DC (Operational range 99 – 264 V, ripple 10 %p-p max) R: DC Power
24 V DC (Operational range 19 – 29 V, ripple 10 %p-p max)
(‘External interface’ codes 1, 4, 5, 6 and 7 Not selectable.) [5] OPTIONS (multiple selections) Performance blank: Standard /H: High accuracy (voltage/current: ±0.2 %, energy: ±0.5 %) Configurator Software Switch /A: Without switch (must specify) Other Options blank: none /Q: Option other than the above (specify the specification) SPECIFICATIONS OF OPTION: Q (multiple selections) COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating EX-FACTORY SETTING /SET: Preset according to the Ordering Information Sheet (No. ESU-1958)
RELATED PRODUCTS
- PC configurator software (model: PMCFG)
- PC Recorder Light software for the 53U (model: MSR128LUx) Downloadable at M-System’s web site. A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 2/9 https://www.m-system.co.jp/ GENERAL SPECIFICATIONS Connection Voltage input: Connector type terminal block (applicable wire size: ≤ 2.5 dia, 0.5 – 3.5 mm2, stripped length 7 - 8 mm) Current input: Screw terminal block (applicable wire size: ≤ 2.4 dia, 0.5 – 3.5 mm2, stripped length 13 - 15 mm) Discrete input, discrete output, analog output, Modbus, auxiliary power supply: Connector type terminal block (applicable wire size: ≤ 2.4 dia, 0.5 – 2.5 mm2, stripped length 7 - 8 mm) Configuration: Single phase/2-wire and 3-wire, 3-phase/3- wire balanced/unbalanced load, 3-phase/4-wire balanced/unbalanced load Housing material: Flame-resistant resin (gray) Isolation: Voltage input to current input to discrete input to discrete output to Modbus or configurator jack or analog output to auxiliary power ■ Measured variables Voltage: 1 – N, 2 – N, 3 – N, 1 – 2, 2 – 3, 3 – 1 Current: 1, 2, 3, N Active / reactive / apparent power: 1, 2, 3, Σ Power factor: 1, 2, 3, Σ Frequency Voltage phase angle: 1 – 2, 2 – 3, 3 – 1 Active energy: Incoming / outgoing / high tariff (peak) / low tariff (off-peak) Reactive energy: Incoming / outgoing / lag / lead / high tariff (peak) / low tariff (off-peak) Apparent energy Active / reactive / apparent average power (demand) Average current: 1, 2, 3,N Harmonic contents: Σ, 2nd to 31st Count time: High tariff / low tariff Max. and min. values Demand history: 1 to 4 INPUT SPECIFICATIONS Frequency: 50 / 60 Hz (45 – 65 Hz)
- Voltage Input Rated voltage Line-to-line (delta voltage): 480 V Line-neutral (phase voltage): 277 V (single phase / 2-wire and 3-wire) Consumption VA: ≤ ULN2 / 300 kΩ / phase Overload capacity: 200 % of rating for 10 sec., 120 % continuous Selectable primary voltage range: 50 – 400 000 V
- Current Input Rated current: 1 A or 5 A Consumption VA: ≤ I2 · 0.01 Ω / phase Overload capacity: 4000 % of rating for 1 sec., 2000 % for 4 sec., 120 % continuous Selectable primary current range: 1 – 20 000 A Selectable primary power range: ≤ 2 G VA Operational range Voltage, current, apparent power: ≤ 120 % of the rating Active / reactive power: -120 to +120 % of the rating Frequency: 45 – 65 Hz Power factor: -1 to +1 ■ Discrete Input: 24 V DC or 110 V DC (input resistance 6 kΩ) Detecting voltage: External 24 V DC ±10 % or 110 V DC ±10 % ON current: ≥ 1 mA (≤ 24 kΩ @ 24 V, ≤ 110 kΩ @110 V) OFF current: ≤ 0.1 mA (≥ 240 kΩ @ 24 V, ≥ 1.1 MΩ @ 110 Detecting time: 10 – 1000 msec. The status can be monitored on the Modbus; usable to reset energy count or to update average (demand) value. OUTPUT SPECIFICATIONS ■ Modbus Communication: Half-duplex, asynchronous, no procedure Interface: Conforms to TIA/EIA-485-A Max. transmission distance: 500 meters Baud rate: 1.2 – 38.4 kbps Max. number of nodes: 31 (except the master) Protocol: Modbus RTU Node address: 1 – 247 (factory default setting: 1) Parity: none, even or odd (factory default setting: odd) Stop bit: 1 or 2 (factory default setting: 1) Media: Shielded twisted-pair cable (CPEV-S 0.9 dia.) ■ DC Current: 4 – 20 mA DC Load resistance: ≤ 270 Ω Measurands converted into analog output: Voltage, Current, Active / reactive / apparent power, Power factor, Frequency, Harmonic contents ■ DC Voltage: 1 – 5 V DC Load resistance: ≥ 5000 Ω Measurands converted into analog output: Voltage, Current, Active / reactive / apparent power, Power factor, Frequency, Harmonic contents ■ Open Collector Programmable for either alarm or energy count. Max. rated load: 130 V DC @50 mA Continuous rated load: 130 V DC @30 mA Saturation voltage: 1.5 V DC Measurands applicable to alarm: Voltage, current, average current (demand), neutral current, frequency, power, average power (demand) (ON delay, deadband and other parameters are selectable) Measurands applicable to count: Energy;
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 3/9 https://www.m-system.co.jp/ Pulse rate selectable within 0.1 – 10 000.0 kWh/p, kvarh/p, kVAh/p INSTALLATION Power consumption
- AC: < 10 VA
- DC: < 3 W Operating temperature: -10 to +55°C (14 to 131°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: DIN rail Weight: 320 g (0.71 lb) PERFORMANCE Accuracy (at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz) Voltage: ±0.3 % (±0.2 % for Option /H)*1 Current: ±0.3 % (±0.2 % for Option /H)*1 Power: ±0.5 %*1 Power factor: ±0.5 % Frequency: ±0.1 %*1 Energy: ±1 % (±0.5 % for Option /H*2) Harmonic contents: ±1 %*1 Analog output: Accuracy of assigned measurand or ±0.2 %, whichever is greater. *1. Percentage of the spans:
480 V for voltage;
1 A or 5 A for current; and
4155 W (5 A) or 831 W (1 A) for active power
The described accuracy levels are ensured at the input 1 % or more for phase 2 current with 3-phase/3-wire unbalanced load, for neutral current with 3-phase/4-wire unbalanced load, and neutral current with 1-phase/3-wire. *2. Accuracy level: Active energy class 0.5S according to IEC 62053-22 (Reactive energy class 2 according to IEC 62053-23) Sampling rate: 64 samples per cycle Data update period: Harmonic contents and frequency: ≤ 1.1 sec. Other: ≤ 600 msec. Response time: ≤ 2 sec. (0 – 99 %), ≤ 3 sec. for frequency and harmonic contents Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength:
4000 V AC @1 minute
(voltage input or current input or discrete input or discrete output or Modbus or configurator jack or analog output to auxiliary power)
2500 V AC @1 minute
(voltage input to current input to discrete input to discrete output to Modbus or configurator jack or analog output) STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 Low Voltage Directive EN 61010-1 Measurement Category III (input) (Measurement Category II if the auxiliary power supply code is R) Measurement Category II (output) Installation Category II (auxiliary power) Pollution Degree 2 Input to auxiliary power: Reinforced insulation (550 V) Output to auxiliary power: Reinforced insulation (300 V) Input to output: Basic insulation (550 V) RoHS Directive
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 4/9 https://www.m-system.co.jp/ EXTERNAL VIEW on Configurator Jack Auxiliary Power Terminals Ext. Interface Terminals Voltage Input Terminals Current Input Terminals Configurator Software Switch*1 *1 Only for the unit without option /A. Select ON (down) to use configurator software. For the unit with option /A, the switch is not available and this operation is not required. TERMINAL CONNECTIONS ■ EXTERNAL INTERFACE CODE: 1 ■ EXTERNAL INTERFACE CODE: 2, 3 ■ EXTERNAL INTERFACE CODE: 4, 5 ■ EXTERNAL INTERFACE CODE: 6, 7 MULTI POWER TRANSDUCER Config MULTI POWER TRANSDUCER Config MULTI POWER TRANSDUCER Config MULTI POWER TRANSDUCER Config N U (+) (–) V N U (+) (–) V A01 A02 A03 A04 U (+) (–) V D01 P01 D02 P02 A01 A02 U (+) (–) V A01 A02
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 5/9 https://www.m-system.co.jp/ V1 N V2 1S 1L 2S 2L source load N u v v u U V V U k l K L k l K L V1 N V2 1S 1L 2S 2L source load N k l K L k l K L V1 N V2 1S 1L 2S 2L source load N V1 V2 V3 1S 1L source load u v v u U V V U k l K L V1 V2 V3 1S 1L source load V1 V2 V3 1S 1L 3S 3L source load u v v u U V V U k l K L k l K L V1 V2 V3 1S 1L 3S 3L source load k l K L k l K L V1 V2 V3 1S 1L 3S 3L source load k l K L V1 V2 V3 1S 1L source load V1 N 1S 1L source load N k l K L u v U V V1 N 1S 1L source load N k l K L V1 N 1S 1L source load N System / Application Single phase / 2-wire Three phase / 3-wire, balanced load Single phase / 3-wire Terminal 1S 1L 3S 3L source load k l u v U V u v U V u v U V N K L k l K L V1 V2 V3 1S 1L 3S 3L N source load k l K L k l K L 2S 2L k l K L V1 V2 V3 1S 1L 3S 3L N 2S 2L source load N N N 2S 2L k l K L V1 N 1S 1L source load k l K L u v U V V1 N 1S 1L source load N k l K L V1 N 1S 1L source load N N System / Application Three phase / 4-wire, balanced load Three phase / 3-wire, unbalanced load Three phase / 4-wire, unbalanced load Terminal Note: For low voltage circuit, grounding is not required.
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 6/9 https://www.m-system.co.jp/ Term. Resist. Shielded Twisted-pair Cable Jumper *1 V(–) JACK U(+) DO/PO– DO/PO+ DO/PO– DO/PO+ DI – DI + DISCRETE INPUT DISCRETE OUTPUT
- Discrete Input Connection E.g.
- Discrete Output Connection E.g. DI + DI – To other Modbus devices ■ EXTERNAL INTERFACE CODE: 1 When the device is located at the end of a transmission line via twisted-pair cable, (when there is no cross-wiring), close across the terminal T2 – T3 with a leadwire. When the device is not at the end, no shortcircuit wire is required. Analog output may momentarily fluctuate while the configurator cable is left connected. *1. *2. V(–) U(+) AO4 – AO4 + AO3 – AO3 + ANALOG OUTPUT 3 ANALOG OUTPUT 4 AO2 – AO2 + AO1 – AO1 + ANALOG OUTPUT 1 ANALOG OUTPUT 2 ■ EXTERNAL INTERFACE CODE: 2, 3 CONFIGURATOR CONFIGURATOR *2JACK ■ EXTERNAL INTERFACE CODE: 4, 5 ■ EXTERNAL INTERFACE CODE: 6, 7 DISCRETE INPUT DISCRETE OUTPUT ANALOG OUTPUT 1 ANALOG OUTPUT 2 CONFIGURATOR *2 DO/PO– DO/PO+ DI – DI + AO2 – AO2 + AO1 – AO1 + V(–) U(+) JACK DISCRETE OUTPUT 1 DISCRETE OUTPUT 2 ANALOG OUTPUT 1 ANALOG OUTPUT 2 CONFIGURATOR *2 DO/PO– DO/PO+ AO2 – AO2 + AO1 – AO1 + V(–) U(+) JACK DO/PO– DO/PO+ AUXILIARY POWER AUXILIARY POWER AUXILIARY POWER AUXILIARY POWER MODBUS WIRING CONNECTION L53UL53U R2K-1 RS-232-C *1 RS-485 RS-485 *2FG CONNECTOR *1. Internal terminating resistor is used when the device is at the end of a transmission line. *2. Install shield cables to all sections and ground them at single point.
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 7/9 https://www.m-system.co.jp/ EXTERNAL DIMENSIONS unit: mm [inch] 60 (2.36) 105 (4.13) 5 (.20) DIN RAIL 35mm wide
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 8/9 https://www.m-system.co.jp/ SYSTEM CONFIGURATION EXAMPLES RS-485 (Modbus-RTU) Multi Power Transducer (model: L53U) RS-232-C RS-232-C/RS-485 Converter (model: R2K-1 or LK1) Lightning Surge Protector for RS-485/422 (model: MD74R or MDP-4R) *1 ■ RS-485 / RS-232-C ■ RS-485 / ETHERNET Ethernet Communication Adaptor (model: 72EM2-M4) Lightning Surge Protector for RS-485/422 (model: MD74R or MDP-4R) *1 RS-485 (Modbus-RTU) Multi Power Transducer (model: L53U) Lightning Surge Protector for RS-485/422 (model: MD74R or MDP-4R) *1 Lightning Surge Protector for RS-485/422 (model: MD74R or MDP-4R) *1 *1. Insert lightning surge protectors recommended in this example if necessary. &5)&3/&5 36/ 4&/% '*&-% $/'(
MODEL: L53U L53U SPECIFICATIONS ES-1958 Rev.13 Page 9/9 https://www.m-system.co.jp/ Specifications are subject to change without notice.