SCYLAR INT 8

CALCULATOR

Application

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.

Features

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

SCYLAR INT 8

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

Reach

Information pursuant to Article 33 (1) of Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006:
This product series contains components with the following substances in a concentration of more than 0.1% weight by weight (w/w):
- Lead (CAS no.: 7439-92-1)
- 1,2-dimethoxyethane (CAS no.: 110-71-4)

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

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	ΔΘ_min	K	3
Max. temperature difference	ΔΘ_max	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

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

Overall length	L	mm	150
Width of calculator	B	mm	100
Height	H	mm	54