SCYLAR INT 8
CALCULATOR
Energy calculator for universal use in systems for heating and cooling measuring. Highly accurate recording of all billing data in local and district heating / cooling systems.
- Can be used for heating, cooling or combined heating / cooling
- Measurement accuracy fulfills the requirements according to EN 1434
- Suitable for 2 and 4 wire temperature sensor connection
- Improved power consumption --> longer battery lifetime
- Approved according to MID and PTB K 7.2 (cooling)
- Programmable history memory (daily, weekly, monthly)
- IZAR@MOBILE2 parameterization software on Windows basis guarantees optimum adaption to the user specific needs
- Individual remote reading (AMR) with add on modules Plug & Play
- Optional with integrated radio acc. Open Metering Standard (868 or 434 MHz) profile A and B
- 3 communication interfaces (e. g. M-Bus + M-Bus + Radio)
- 2 passive analogue outputs for 4 ... 20 mA
- Significantly improved radio performance
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General
Application Heating - cooling - heating with cooling tariff Approval MID (DE-10-MI004-PTB004) and PTB K7.2 for cooling (22.75/11.02) Protection class IP 54 Battery supply 3.6 VDC A-cell 11 years lifetime; 3.6 VDC D-cell 16 years lifetime Mains supply 24 VAC; 230 VAC / ≤ 0.15 W Volume pulse input frequency Max. 200 Hz; pulse durance > 3 ms Pulse value l/pulse 0.01 ... 10,0001 Temperature sensor type Pt 100 or Pt 500 with 2- or 4- wire leads; Ø 5.2 / 6 mm Cable length of temperature sensor Pt 100; Pt 500: 1.9 / 4.9 / 9.9 m Calculation cycle s 2 1 Depending on size of flow sensor -
Basic features
Ambient class Class E2 + M2 Ambient temperature °C 0 ... 55 Ambient storage temperature °C -25 ... +60 (>35 °C max. 4 weeks) Communication 3 communication interfaces (e. g. M-Bus + M-Bus + Int. Radio; 2 primary adresses, 1 secondary adress) Integrated Radio Optional Interfaces standard Optical ZVEI interface Interfaces optional 2 slots for modules with M-Bus, L-Bus, RS232, RS485, pulse output, pulse input, combined pulse in-/output or analogue output Temperature range heating °C Θ: 0 ... 180 | ΔΘ: 3 ... 177 Temperature range cooling °C Θ: 0 ... 90 | ΔΘ: 3 ... 87 Temperature range heating with cooling tariff °C Θ: 0 ... 105 | ΔΘ: 3 ... 102 -
Integrated Radio
Frequency band 868 or 434 MHz Type of radio telegram Open Metering Standard (OMS) profile A and B Transmission data updating Online - no time delay between value measurement and data transmission Data transmission Unidirectional T1 mode Sending interval With A-cell: 180 s (11 years lifetime); with D-cell: 12 s (16 years lifetime); with mains unit: 12 s; depending on length of telegram (duty cycle) -
Display
Display indication LCD, 8-digit Units MWh - kWh - GJ - Gcal - MBtu - gal - GPM - °C - °F - m³ - m³/h Total values 99,999,999 - 9,999,999.9 - 999,999.99 - 99,999.999 Values displayed Energy - Power - Volume - Flow rate - Temperature and more -
Interfaces
Optical ZVEI interface, for communication and testing, M-Bus protocol, 2400 baud M-Bus Configurable telegram, according to EN1434-3, data reading and parametrization are via two wires with polarity reversal protection, auto baud detect (300 and 2400 baud), 2 M-Bus with 2 primary adresses L-Bus Adapter for external radio module, configurable telegram, according to EN13757-3, data reading and parametrization are via two wires with polarity reversal protection. RS232 Serial interface for communication with external devices, a special data cable is required, M-Bus protocol, 300 and 2400 baud RS485 Serial interface for communication with external devices, power supply with 12 V ± 5 V, M-Bus protocol, 2400 baud Pulse output Module with 2 Open Collector pulse outputs (potential-free), output 1: 4 Hz (pulse width 125 ms), pulse or static conditions (e.g. errors), output 2: 200 Hz (pulse width ≥ 5 ms), ratio: pulse duration / pulse break ~ 1:1, configurable via IZAR@MOBILE 2 software. Pulse input Module with 2 pulse inputs, max. 20 Hz, configurable via IZAR@MOBILE 2 software, data can be transferred remotely. Combined pulse in-/output Module with 2 pulse inputs and 1 pulse output, configurable via IZAR@MOBILE 2 software, needed for leak detection. Analogue output Module for 4 ... 20 mA with 2 programmable passive outputs, programmable value in case of error. -
Temperature input
Sensor current mA Pt 100 peak < 8; rms < 0.015, Pt 500 peak < 2; rms < 0.012 Measuring cycle T s With mains unit: 2 s; with A-cell battery: 16 s; with D-cell battery: 4 s Starting temperature difference ΔΘ K 0.125 Min. temperature difference ΔΘmin K 3 Max. temperature difference ΔΘmax K 177 Absolute temperature measuring range Θ °C -20 ... 190 -
Dimensions
Overall length L mm 150 Width of calculator B mm 100 Height H mm 54
