Huawei 02312PBL Quick Manual

Temperature and Humidity Sensor
Quick Guide (02312PBL)
Issue: 01
Date: 2019-08-23
1
Product Overview
Key Performance Specifications
1.1
 Adopts a dedicated
low-power
temperature and
humidity collection
chip featuring wide
measurement range
and high precision.
 Supports extended
NTC temperature
sensors.
 Provides an RS485
signal port and 6-
digit device address
DIP switch.
Supports the
Modbus-RTU
communications
protocol and baud
rate configuration.
 Displays the
temperature,
humidity, address,
and baud rate using
nixie tubes.
 Supports online
software upgrade.
 Supports wall-
mounted installation
or magnetic
attachment.
Dimensions (Unit: mm)
1.2
Item
Measurement range
Precision
Precision drift
Extended temperature
collection port
Signal port
Power supply
Power consumption
Storage environment
RS485-OUT RS485-IN
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Temperature
– 40°C to +70°C
±1°C (0°C to +60°C)
≤ 0.05°C/year
Provides two RJ45 ports to connect six NTC
temperature sensors, each RJ45 port connecting to
three NTC temperature sensors.
RS485
9 –16 V DC (typical value 12 V DC)
< 280 mW
– 40°C to +70°C
DIP switch
Button
1
Humidity
5%–95% RH
±5% RH (25°C, 20%–80%
RH)
≤ 0.5% RH/year
Display
NTC1-3
NTC4-6
Dimensions with
base