Sentera Controls DSTH 2 Series, Mounting And Operating Instructions

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MIW-DSTHX-2-EN-000 - 23 / 07 / 2019 5 - 10
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OPERATIONAL DIAGRAMS
Analogue
output 1 [%]
100
-30
Min
range
Max
range
70 T [°C]
Analogue
output 2 [%]
100
0 Min
range
Max
range
100 rH [%]
WIRING AND CONNECTIONS
Article type DSTHF-2 DSTHG-2
VIN 18—34 VDC 18—34 VDC 15—24 VAC ±10%
GND
Ground Common ground AC ~
A Modbus RTU (RS485), signal A Modbus RTU (RS485), signal A
/B Modbus RTU (RS485), signal /B Modbus RTU (RS485), signal /B
AO1
Analogue / modulating output 1 for
temperature measurement (0—10 VDC /
0—20 mA / PWM)
Analogue / modulating output 1 for temperature
measurement (0—10 VDC / 0—20 mA / PWM)
GND Ground AO1 Common ground
AO2
Analogue / modulating output 2 for relative
humidity measurement (0—10 VDC /
0—20 mA / PWM)
Analogue / modulating output 2 for relative humidity
measurement (0—10 VDC / 0—20 mA / PWM)
GND
Ground AO2 Common ground
Connections Spring contact terminal blocks, cable cross section: 1,5 mm 2
CAUTION
The -F version of the product is not suited for 3-wire connection. It has separate
grounds for power supply and analogue output. Connecting both grounds
together might result in incorrect measurements. Minimum 4 wires are required
to connect -F type sensors.
The -G version is intended for 3-wire connection and features a ‘common ground’.
This means that the ground of the analogue output is internally connected with
the ground of the power supply. For this reason, -G and -F types cannot be
used together on the same network. Never connect the common ground of -G
type articles to other devices powered by a DC voltage. Doing so might cause
permanent damage to the connected devices.
DSTHX-2
COMBINED T AND rH DUCT
TRANSMITTER