Ashcroft km46 Instruções de instalação - Página 2

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KM46 PRESSURE
TRANSMITTER INSTALLATION
INSTRUCTIONS
KM46 ELECTRICAL INSTALLATION
Wiring Diagrams
KM46 TERMINATIONS AND WIRING
Connections *
Plug M12x1
Cable port
4
3
2
1
Power
Power
1: UB+
red : UB+
2: nc
black: out
3: out
white: nc
4: nc
Voltage
Voltage
1: UB+
red: UB+
2: nc
black: UB-
3: UB-
white: out
4: out
nc = not connected
The electrical connection must be made in accordance with the respective
connectiondiagram unless otherwise agreed upon.
* Custom-made adjustments are possible.
©Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA, Tel: 203-378-8281, Fax 203-385-0402 www.ashcroft.com
All sales subject to standard terms and conditions of sale. All rights reserved. km46_transducer_im_RevA_Ltr_10-03-18
Power Supply Requirements:
Output Signal
0-10V
0-5V, 1-5V, 1-6V
4-20mA*
* For transmitters with 4-20mA output signal,
the minimum voltage at the terminals is
10Vdc. However, the minimum supply volt-
age should be calculated using the adja-
cent graph and formula.
DIN EN
DIN EN
175301-803-A
175301-803-C
1
1
3
3
2
2
Power
Power
1: UB+
1: UB+
2: out
2: out
3: nc
3: nc
Voltage
Voltage
1: UB+
1: UB+
2: UB-
2: UB-
3: out
3: out
Power Supply Voltage vs Loop Resistance
Min Supply Max Supply
12Vdc
32Vdc
8Vdc
32Vdc
10Vdc
32Vdc
To determine minimum loop supply voltage:
Power Supply Voltage vs. Loop Resistance
(4-20mA ONLY)
1400
1200
10
(min)
Loop Supply Voltage (Vdc) [LSV]
LSV(min)=9(V)+[.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)
40
32 (max)