Vaisala HMP260 - Manual (Page 116)

BLU
GRN
YEL
BLK
HMP 265
In automation system
galvanically isolated inputs
are recommended for current signals
Main board HMP230
To control system
Supply voltage 24 VDC
max. 120 mA
Note ! The cable shield has to be connected to the cable bushing for full EMC protection.
Process temperature
Relative humidity
(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 current
outputs 500 ohm
Probe cable length 2, 5 or 10 m
X6
X1
Process
temperature
4-wire connection
Pt 100
RH sensor
HUMICAP
GND
RH2
RH1
Drawn
Review
Appr
Design
Replaces
Scale
id
Title
Arch
no
Serial Sheet
doc no
Cooperator`s
Dwg no Rev
Ltr Qty Change Reason/ ECO no Design Date Review Date Appr
Tool
Qty
pcs
+RX
-RX
+RX
-RX
TX
RX
RS 232
Digital cur-
rent loop
RS 485
HI
LO
HI
LO
94-02-16 KKe
KKe
HMP263, HMP264 AND HMP265
WIRING DIAGRAM
Hazardous area
EEx ia IIC T3/T4 Protection unit HMP260PU
[EEx ia] IIC
Housing of the HMP260
Location of main board terminals
X2
1 2 3 4
4
3
2
1
2 1
X1
X6
X15
Jumper selections in connector X15
Current 0...20 mA/4...20 mA
Ch1 C h 2 C h 1 Ch2
Ch1 C h 2 C h 1 Ch2
Ch1 C h 2 C h 1 Ch2
Voltage 0...1 V
See manual for details!
Voltage 0...5 V/0...10 V
BLU
GRN
YEL
BLK
HMP 263
BLU
GRN
YEL
BLK
HMP 264