GE Digital Energy Multilin 239, Instruction Manual, Page: 144 / 160

7–106 239 MOTOR PROTECTION RELAY – INSTRUCTION MANUAL
CHAPTER 7: TESTING
7.8 Analog Output
1. Alter the following setpoints:
S1: 239 SETUP\ANALOG OUTPUT\ANALOG OUTPUT RANGE:
4-20 MA
S5: TESTING\ANALOG OUTPUT SIMULATION\SIMULATION:
ON
2. As shown in FIGURE 7–1: SECONDARY INJECTION TEST SETUP on page 7–98, connect a
DC ammeter between terminals 18 and 19.
3. Using the setpoint
S5: TESTING\ANALOG OUTPUT SIMULATION\ANALOG
OUTPUT FORCED TO
force the output to various levels shown in the table below
and view the results on the DC ammeter. Verify the meter results with expected results
shown in the table below. If the 239 is turned off or 15 minutes have expired since
S5:
TESTING\ANALOG OUTPUT\SIMULATION\SIMULATION
was turned on this
setpoint will automatically turn off to disable analog output simulation. This setpoint
must be turned on to continue further testing if needed.
OUTPUT
FORCED TO
EXPECTED
OUTPUT
ACTUAL OUTPUT
(mA)
OFF 4
0 4
40 10.4
70 15.6
100 20
110 21.6