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MIW-RDCV-EN-002 - 27 / 04 / 2017
6 - 17
WIRING AND CONNECTIONS
L
Line, power supply (110—230 VAC ± 10 % / 50—60 Hz)
N
Neutral, power supply (110—230 VAC ± 10 % / 50—60 Hz)
Ao
Analogue / digital output (0—10 VDC / 0—20 mA / PWM)
GND
Ground
A
Modbus RTU (RS485), signal A
/B
Modbus RTU (RS485), signal /B
Connections
Cable cross section: max. 2,5 mm
2
MOUNTING INSTRUCTIONS IN STEPS
Before you start mounting the RDCV controller, read carefully
“Safety and
Precautions”
. Then proceed with the following steps:
For inset mounting
1.
Disconnect the power supply.
2.
Remove the frame cover of the enclosure and take the RDCV controller out, so
that it can be easily connected.
3.
Do the wiring according to the wiring diagram (see
Fig. 1
).
Fig. 1 Wiring and connections
Power supply
110—230 VAC ±10 % /
50—60 Hz
Analogue output
0—10 / 0—20 mA / PWM
Modbus
RTU
/B
A
ATTENTION
If an AC power supply is used with any of the units in a Modbus network, the
GND terminal should NOT BE CONNECTED to other units on the network or
via the CNVT‑USB‑RS485 converter. This may cause permanent damage to the
communication semiconductors and / or the computer!
RDCV
RESIDENTIAL HVAC
CONTROLLER
