7ML19981FB05 MultiRanger 100/200 – INSTRUCTION MANUAL Page 49
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mA I/O
Calibrating 4 mA Output
1. Connect the mA receiving device to the MultiRanger.
2. Put the MultiRanger into PROGRAM mode.
3. Set P911–mA Output Value to 4.0.
4. View the mA level on the receiving device.
5. If there is a discrepancy,
a.Attach ammeter to MultiRanger mA output.
b.Access P214, Index 1 (for mA output 1) or 2 (for mA output 2). Press CLEAR and
ENTER . The ammeter should show a value near 4 mA.
c.Enter the exact value displayed on the ammeter into P214 (Index 1 or 2).
d.The ammeter should then read exactly 4.00 mA.
The unit is now calibrated for 4 mA for the receiving device.
Calibrating 20 mA Output
1. Connect the mA receiving device to the MultiRanger.
2. Put the MultiRanger into PROGRAM mode.
3. Set P911–mA Output Value to 20.0.
4. View the mA level on the receiving device.
5. If there is a discrepancy,
a.Attach ammeter to MultiRanger mA output.
b.Access P215, Index 1 (for mA output 1) or 2 (for mA output 2). Press CLEAR and
ENTER . The ammeter should show a value near 20 mA.
c.Enter the exact value displayed on the ammeter into P215 (Index 1 or 2).
d.The ammeter should then read exactly 20.00 mA.
The unit is now calibrated for 20 mA for the receiving device.
Verifying the mA Range
Checks that the external device can track the entire 4 to 20 mA range sent by the
MultiRanger.
1. Use P920 to put the MultiRanger into Simulation mode (see page 85).
2. Run the simulation through one complete fill / empty cycle.
3. View P911–mA Output Value to verify that it tracks to the simulation.
4. View the mA value reported on the external equipment to verify that it also tracks to
the simulation.
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