Atlas Copco SMARTROC D65 TIER 4 FINAL - Page 201

SmartROC D65 Tier 4 Final 14 Options
201
2.
Connect the multimeter in series with the +A or +B output that is of interest.
3.
Activate the function. Normally, the multimeter is to read ~1A.
Fault indication
n If the multimeter reads 0.00A and the solenoid coil diode is lit, there is an open circuit
in the coil in the valve.
Checking the analogue inputs
Pin Function
1 +24V DC
2 0-5V
3 GND
4 4-20mA
5 +5V DC
Table23: Pin configuration
Measuring voltage/power
1.
Connect the 5-position connector on the I/O tester between the input of interest on the
I/O model and the sensor as illustrated.
Connecting the I/O tester
2.
Measure currents according to the table.
Checking the PWM outputs
There are two PWM outputs designated A and B in each contact.