CALCULATOR
Thermal Energy
»
Calculator
|
Datasheet
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
- Approved according MID
- Suitable for 2 and 4 wire temperature sensor connection
- Power save mode
- NOWA test capability
- Programmable history memory (daily, weekly, monthly)
- IZAR@SET 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, Real Data or Open Metering Standard (868 or 434 MHz)
- 2 Communication ports (e. g. M-Bus + Radio)
- Significantly improved radio performance
- RS485 Interface
- 2 passive analogue outputs for 4 ... 20mA
1: depending on size of flow sensor
|
|
SCYLAR INT 8 |
| Application |
|
heating - cooling - heating/cooling |
| Approval |
|
MID |
| Protection class |
|
IP 54 |
| Battery supply |
|
3.6 VDC; A cell; 11 years lifetime; 3.6 VDC; D cell; 20 years lifetime |
| Mains supply |
|
24 VAC; 230 VAC / 0.15W |
| Volume pulse input frequency |
|
max. 200 Hz; pulse durance > 3ms |
| 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 / 6mm |
| Cable length of temperature sensor |
|
Pt 100: 2m; Pt 500: 2/5/10m |
| Measuring cycle Volume |
s |
2 |
| Measuring cycle Flow |
s |
8 |
1: depending on size of flow sensor
|
|
SCYLAR INT 8 |
| Ambient class |
|
class E1 + M1 |
| Ambient temperature |
°C |
0 ... 55 |
| Ambient storage temperature |
°C |
-25 ... +70 |
| Communication |
|
2 communication slots (e. g. M-Bus + M-Bus; 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 |
1: depending on size of flow sensor
|
SCYLAR INT 8 |
| Frequency band |
868 or 434 MHz |
| Type of radio telegram |
Real Data or Open Metering Standard (OMS) |
| Transmission data updating |
Online - no time delay between value measurement and data transmission |
| Data transmission |
Unidirectional |
| Sending interval |
12 ... 20 s; depending on length of telegram (duty cycle) |
1: depending on size of flow sensor
|
SCYLAR INT 8 |
| Display indication |
LCD, 8-digit |
| Units |
MWh - kWh - GJ - Gcal - MBtu - gal - GPM - °C - °F - m³ |
| 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 |
1: depending on size of flow sensor
|
SCYLAR INT 8 |
| 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 |
| 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), 4 Hz (pulse width 125 ms), 100 Hz (pulse width ≥ 5 ms), ratio: pulse duration / pulse break ~ 1:1, configurable via IZAR@SET software. |
| Pulse input |
Module with 2 pulse inputs, max. 20 Hz, configurable via IZAR@SET software, data can be transferred remotely. |
| Combined pulse in-/output |
Module with 2 pulse inputs and 1 pulse output, configurable via IZAR@SET software, needed for leak detection. |
| Analogue output |
Module for 4 ... 20 mA with 2 programmable passive outputs, programmable value in case of error. |
1: depending on size of flow sensor
|
|
|
SCYLAR INT 8 |
| 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 |
1: depending on size of flow sensor
|
|
|
SCYLAR INT 8 |
| Overall length |
L |
mm |
150 |
| Width of calculator |
B |
mm |
100 |
| Height |
H |
mm |
54 |
Back to: CALCULATOR
