Atec Vaisala-hmp230 Series - Manual

ELECTRICAL CONNECTIONS
2001-06-05
Vaisala HMP230 series humidity transmitters
Wiring diagram
Output quantities: Relative humidity (%), temperature ( C °/F° ) dewpoint temperature
( °C/°F ), mixing ratio (g/kg) / (gr/lb), absolute humidity (g/m³) / (gr/ft³),
wet bulb temperature ( °C/°F ), enthalpy (kJ/kg) / (Btu/lb)
Operating voltage: 24 VDC/VAC, with optional power supply module 230/115 VAC
Two analog outputs: 0...20 mA / 4...20 mA / 0....1 V / 0...5 V / 0...10 V
(channels 1 & 2)
Serial connections:
RS232C interface, RS485/422 module, current loop module
Screw terminals: 0.5 mm
2
...1.5 mm
2
wires ( AWG 20...16 )
X1
X2
N
L
+
-
X2
1 2 3 4
4
3
2
1
2 1
X1
X6
Location of main board terminals
X15
HMP230PW
spare
jumpers D igital cur-
rent loo p
In automation system
the galvanically isolated inputs
are recommended for current signals
Main board HMP230 and HMP260
To control system
Supply voltage 24 VDC
max. HMP230 series 100 mA
(with re-gaining 170 mA)
HMP260 series 120 mA
Note ! The cable shield has to be connected to the cable bushing for full EMC protection.
(To control system)
X2
1
2
3
4
1
2
3
1
2
4
Channel1+
Channel1-
Channel2+
Channel2-
RX
GND
TX
NC
-
+
Serial
connections
See manual for
details!
Humidity and
temperature outputs
current/voltage
Max. load for
mA outputs 500 ohm
X6
X1
+RX
-RX
+TX
-TX
TX
RX
RS 232C RS 485/422
HI
LO
LO
HI
(HMP230: for 24 VAC,
see the Operating Manual)
/ ~
MAIN BOARD
POWER SUPPLY MODULE
(optional)
Analog outputs
Serial connections
Supply voltage
Mains supply voltage (115 / 230 VAC )