Vaisala HMP230 - Manual (Page 162)

APPENDIX 11
WIRING DIAGRAM
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
X1
X2
N
L
+
-
X2
1 2 3 4
4
3
2
1
2 1
X1
X6
Location of main board terminals
X15
Output voltage 24 VDC
- + L N
Supply voltage 115/230 VAC
HMP230PW
optional power supply
module (230/115 VAC)
HMP230PW
Fuse T160 mA
Jumper selections in
connector X15
Current 0...20 mA/4...20 mA
Ch
1
Ch2 Ch1 Ch
2
Ch
1
Ch2 Ch1 Ch
2
Ch
1
Ch2 Ch1 Ch
2
Voltage 0...1 V
See manual for details!
X1 X2
Voltage 0...5 V/0...10 V
+RX
-RX
+TX
-TX
TX
RX
RS 232C RS 485/422
HI
LO
LO
HI
Note.
the output settings must
be also programmed
Security lock jumper
spare
jumpers
Note. HMP230PW module cannot be
used with HMP260 transmitters.
(HMP230: for 24 VAC,
see the Operating Manual)
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