iSMA-B-LP Room Panel/Modbus
version 1.3
www.gc5.pl
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1.3
Technical specifications
Power supply
Voltage
24V AC/DC ± 20%
Power consumption
iSMA-B-LP(-1)
0.5 W (24 V DC), 0.75 VA
(24 VAC)
iSMA-B-LP-H(-1)
0.5 W (24 V DC), 0.75 VA
(24 VAC)
iSMA-B-LP-C(-1)
0.7 W (24 V DC), 1 VA (24 V AC)
iSMA-B-LP-HC(-1)
0.7 W (24 V DC), 1 VA
(24 V AC)
Built-in sensors
Temperature sensor
•
10k NTC type
•
Accuracy: ±
0.5
˚C
•
Range: 0 -
50˚C
•
Resolution: ±
0.1
˚C
Humidity sensor
•
Range: 0
–
100% RH
•
Accuracy: ±2% RH in range 20 –
80% RH
•
Resolution: ±1% RH
CO2 sensor
•
Method Non Dispersive Infrared (NDIR),
gold plated optics, diffusion sampling (with
Telaire’s Patented ABC Logi
c Self Calibrated
Algorithm)
•
Range: 400
–
2000 ppm
•
Accuracy:
±
30 ppm OR
±
3% of
reading
•
Stability: < 2% of FS over life of
sensor (15 years typical)
•
Warm Up Time : < 2 minutes
(operational);
10 minutes (maximum accuracy)
•
Calibration: ABC Logic Algorithm
•
Manual Calibration Interval: Not
required
RS485 Interface
Communication protocols
Modbus RTU, Modbus ASCII, BACnet MS/TP
Baud rate
From 4800 to 115200 bps
USB
USB
Mini USB , Type B
Environment
Ingress Protection IP40
Temperature
Storage
-40
˚C to +85˚C
Operating
0˚C to +50˚C
Humidity
Relative
5% to 95%
Platform
ARM Cortex - M0+
Housing
•
Construction: plastic, self-extinguishing
(PC/ABS)
•
Wall mounting (standard electric box)
•
Cooling: internal air circulation