ESU 101 is s cost-effective environmental sensor which is also equipped with Infra Red (IR) controller for split-type Air Conditioners. Thanks to its flexible design, ESU 101 has a learning mode which enables the device to be used with almost all split-type ACs. It has an RS-485 interface supporting Modbus/RTU protocol for SCADA applications.
Supply Voltage Range
9-18/18-36 VDC or 85 ~ 264 VAC
Nominal Supply Voltage
12 / 24 VDC or 230 VAC
CPU
ARM Cortex-M4 32 Bit 180 Mhz
Flash
256 kB
Ram
128 kB
Watchdog Timer
System Reset / 5 sec
Power Consumption
0.46W 230VAC
Internal Temperature Sensor
Temperature Range: -20 to 120 °C
Internal Humidity Sensor
Humidity Range: 0 to 100% RH
Infrared Transmitter Output Power
160mW
Infrared Transmitter Output Wavelength
940nm
Infrared Transmitter Carrier Frequency
38kHz
Relay Output Contact Current Rating
10A
Relay Output Maximum Switching Voltage
250VAC
Relay Contact Form
SPDT (1 Form C)
Wi-Fi Protocols
802.11 b/g/n
Frequency Range
2.4 GHz ~ 2.5 GHz (2400M ~ 2483.5M)
RF Certification
SRRC, FCC, CE (RED), IC, NCC, KCC, TELEC (MIC)
Wi-Fi Certification
Wi-Fi Alliance
Wi-Fi Mode
Station / SoftAP / SoftAP + Station
Security
WPA / WPA2
Network Protocols
IPv4, TCP / UDP / HTTP / FTP
Communication Protocols
Modbus-RTU (Slave)
Serial Interfaces
1 x RS-485, Micro USB C Type 2.0
RS-485 BaudRate
1200bps – 115200bps
USB Data Transfer Speed
480 Mbit/s
Standards
IEC 61326-1, EN 301489-1, IEC 61010-1, EN 60950-1
Operating Temperature
-25°C / +70°C
Storage Temperature
-40°C / +70°C
Operating Humidty
25% – 95% RH
Protection Class
IP20
Device Dimensions (W x H x D)
115mm x 83mm x 32 mm
Weight
100gr
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