BES MDU12i, Modular Unit

Page: 15 / 41

DOC32 Page 15 of 41 Issue 2 30 NOV 17
6.0 Characteristics
AC Characteristics
Mains input 115/230VAC 50-60Hz
Mains input protection Transient suppression (LIVE - NEUTRAL)
Mains power consumption 15W
Maximum load 16A
DC Characteristics
USB Supply output 5VDC @ 1A max.
USB Supply protection 1A Current limit
Ethernet port
Compatibility IEEE 802.3 10/100/1000Base-T (Auto-negotiated to
10 or 100Mb)
Protocols TCP/IP, HTTP, SNMP, XML, DHCP, SMTP, Telnet
MODBUS port
Compatibility RS485 115.2kbps, 8 data bits, no parity, 1 stop bit
Protocol MODBUS RTU
Digital temperature sensor [x8]
Temperature range 0 to +125 °C
Accuracy (Temperature Error) 0°C to +85°C = ±0.5 °C nominal
85°C to +125°C = ±1.0 °C nominal
Reso0.0625 °C
Sensor supply voltage 3.3VDC
Sensor interface I2C 3.3V [TTL/CMOS] logic
Humidity sensor [x1]
Humidity range 0-100% Relative humidity
Response Time 8 Seconds in slow moving air @ 25ºC
Stability < 0.5% RH per year
Accuracy ± 2.0% RH, 0-100% RH non-condensing @ 25ºC
Non-linearity < 1% RH Typical
Repeatability ± 0.1% RH
Resolution 0.04 %RH
Temperature range 0 to +125ºC (32 to +254.9°F)
Response Time 5 to 30 seconds
Accuracy ±0.4 °C nominal
Repeatability ± 0.1 °C
Resolution 0.01 °C
Sensor supply voltage 3.3VDC
Sensor interface I2C 3.3V [TTL/CMOS] logic