ABB TCC300, User Manual, Page: 589 / 716

9.8 Testing control inputs
1. Press the ENT (UTIL Hot Button) pushbutton to awaken the unit. The menu will
advance to "UTILITIES".
2. Press the Down Arrow pushbutton once. The unit will display the following:
Calibration/Test
3. Press the Down arrow pushbutton, as necessary, to navigate to the Input Test menu
item.
4. Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code. The
following will be displayed:
Input Test ← →
vr1 vr2 ns c n l r t
5. Determine the inputs to be tested and the corresponding position (from left to right)
in the input test screen.
•
vr1, Voltage Reduction #1
• vr2, Voltage Reduction #2
• ns, Non-Sequential Input
• c, Operations Counter Contact
• n, Neutral Light Switch
• l, Lower Status
• r, Raise Status
• t, Current Loop Input
• a1, Aux Input 1
• a2, Aux Input 2
• a3, Aux Input 3
• ms, Motor Sealin
As each input is activ ated the corresponding indicator will change from lower case
to upper case to indicate that the control has read the input.
6. Verify that the control is in a configuration that supports input testing, then proceed
as follows based on control status:
•
If the control is not connected to field connections, then utilize Figure 448 to
connect test equipment and test the desired inputs.
• If the control is connected to field connections, then determine the necessary
test method(s) for testing the desired input.
Draghands, Lower and Raise status can be tested by utilizing the corresponding front
panel switches.
7. When all input testing has been completed, restore the control back to pre-test
conditions.
1VAC388793-MB A
Section 9
Testing
TCC300 583
User Manual