Textron Greenlee IPM-100 Manual De Instrucciones página 11

Operation (cont'd)
Power Transmitter
The Power Transmitter Function
relies on the internal battery to
power the circuit (12 volts DC
nominal at 24 mA) while simulta-
neously reading the current.
1. Disconnect one or both of the
input wires to the 2-wire
transmitter to be calibrated.
2. Select POWER TRANSMITTER
and press the MODE button until PWR XMTR appears on the display.
3. Press the mA / % button to select current or percent.
4. Connect the red lead to the positive (+) side of the circuit; connect the black lead to the
negative (–) side of the circuit.
5. Connect an appropriate sensor or calibrator to the input of the 2-wire transmitter.
6. Calibrate the transmitter in the usual manner.
Valve Setup
Proper valve setup requires setting the end stops. Select either SOURCE or 2-WIRE
SIMULATOR to control the valve. Refer to the corresponding illustration.
1. Disconnect the control loop's 4 mA to 20 mA control wires from the current-to-pressure
(I/P) converter or actuator.
2. Connect the IPM-100 to the device.
3. Press the 0% / 4 mA button and adjust the fully closed stop on the actuator.
4. Slowly turn the control knob counterclockwise and verify that the actuator and valve do
not move. Repeat Steps 3 and 4 until the stop is set correctly.
5. Press the 0% / 4 mA button again and turn the control knob clockwise. The actuator and
valve should move.
6. Press the 100% / 20 mA button and adjust the fully open stop on the actuator.
7. Slowly turn the control knob clockwise and verify that the actuator and valve do not move.
Repeat Steps 6 and 7 until the stop is set correctly.
8. Press the 100% / 20 mA button again and turn the control knob counterclockwise. The
actuator and valve should move.
Transmitter Input
Sensor
Process Signal
Simulated Input
Typical
2-Wire
Transmitter
IPM-100
11