Test Equipment - Siemens 7MF4033 series User Manual

Pre-Installation Test
Vdc
6
1 Transmitter field terminals
2 Analog output terminals
3 Digital milliammeter
4 HART Communicator

3.1.1 Test Equipment

TEST EQUIPMENT
Power Supply
Multimeter:
Current
Voltage
Current Sense Resistor
Configuration Device
Pressure Source
Test equipment should be 2 to 10 times more accurate than the transmitter
accuracy.
3-2
5
+
250
_
_
+
4
5 Controller, recorder, indicator, or other 1-5 Vdc device
6 DC power supply
Note: Loop current can also be shown on the optional transmitter
display in 0-100%.
FIGURE 3-2 Field Test Connections
DESCRIPTION (see Specifications, Section 9.3)
10.5 to 45 Vdc, see Power Supply Requirements, Section 4.3.5
Range: 4 to 20 mA to measure loop current
Range: 0-50 Vdc to measure power supply and loop voltage
250 to 1100Ω to support HART digital communications
Model 275 HART Communicator or Model 375 Field Communicator
Dead Weight Tester or similar device.
1
mA
I
O
Note
UMSITRAPDS3-1
_
2
+
- +
4-20 mA
+
3
November 2005