Ashcroft km46 Instructions d'installation - Page 2

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KM46 PRESSURE
TRANSMITTER INSTALLATION
INSTRUCTIONS
KM46 ELECTRICAL INSTALLATION
Wiring Diagrams
POWER
SUPPLY
(+ Power)
V+
(Common)
V-
METER OR
OTHER DEVICE
4-20 mA Output
POWER SUPPLY
(+ Power)
V+
(Common)
V-
(+ Output)
METER OR OTHER DEVICE
3-Wire Voltage Output
KM46 TERMINATIONS AND WIRING
2)
Connections
Plug M12x1
4
3
1
2
Power
Power
1:
UB+
red:
2:
nc
black:
3:
out
white:
4:
nc
Voltage
Voltage
1:
UB+
red:
2:
nc
black:
3:
UB-
white:
4:
out
nc = not connected
The electrical connection must be made in accordance with the respective connectiondiagram
unless otherwise agreed upon
2)
Custom-made adjustments are possible.
Ashcroft Instruments GmbH
Deutschland / Germany
Max-Planck-Str. 1
D-52499 Baesweiler
Tel.: +49 (0) 2401 808-0
©2018 Ashcroft Instruments GmbH IM-T5500KF-EN Rev. A 11/18
P/N 095I111-01EN
All specifications are subject to change without notice. All sales subject to standard terms and conditions.
Power Supply Requirements:
Output Signal
0-10 V
0-5 V, 1-5 V, 1-6 V
TRANSDUCER
1)
4-20 mA
1)
For transmitters with 4-20 mA output signal,
the minimum voltage at the terminals is 10
Vdc. However, the minimum supply voltage
should be calculated using the adjacent
graph and formula.
TRANSDUCER
DIN EN
Cable port
175301-803-A
3
Power
UB+
1:
UB+
out
2:
out
nc
3:
nc
Voltage
UB+
1:
UB+
UB-
2:
UB-
out
3:
out
Min.
Max.
Supply
Supply
12 Vdc
32 Vdc
8 Vdc
32 Vdc
10 Vdc
32 Vdc
DIN EN
175301-803-C
1
1
3
2
2
Power
1:
UB+
2:
out
3:
nc
Voltage
1:
UB+
2:
UB-
3:
out
ashcroft.eu
For more information on support and
local partners please visit our web
page at ashcroft.eu or follow the
QR-Code
Power Supply Voltage vs. Loop Resistance
(4-20 mA ONLY)
1400
1200
1000
800
600
400
200
0
0
10
20
(min)
Loop Supply Voltage (Vdc) [LSV]
To determine minimum loop supply voltage:
LSV(min)=9(V)+[0,022(A)*R L ]
Where:
LSV= Loop Supply Voltage (Vdc)
R L = R S + R W (ohms)
R L = Loop Resistance (ohms)
R S = Sense Resistance (ohms) [Measuring Instrument]
R W = Wiring Resistance (ohms)
30
40
32 (max)
Page 2