Spectrum Controls 140 EHC 204 00sc - Manual (Page 61)

Quantum Series 140 EHC 204 00sc 140 EHC 208 00sc
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Startup Testing
This section presents testing procedures recommended for use at module startup to verify correct installation and
configuration.
Physical Inspection
1. Inspect the module to ensure that all wire connections are correct and secure and that no wires are
missing or broken.
2. Ensure that the shield for the cable used to wire your module is properly grounded. Refer to Chapter 2,
“Installation and Wiring” for more information.
3. Ensure that the removable terminal block on your module is secure.
4. Before enabling a channel (through your ladder program), ensure that you have chosen a proper input
range for the input signal. Failure to observe this precaution can cause improper module operation or
equipment damage.
5. Verify that the rack power supply is properly connected to the PLC.
6. Turn on the PLC and ensure that it powers up properly. See the Quantum Automation Series Hardware
Reference Guide for more information.
7. Verify that the module ready LED (green) turns on to indicate power to the module and completion of
the self-test. If the LED does not turn on, note the blink code as this indicates the fault condition.
8. Ensure that the active LED is illuminated to indicate that the module is communicating with the rack.
If not, bus communication has not been established. Be sure the module is properly installed.
9. Check the channel LEDs for any errors.
10. If the module fault LED is red, it indicates a self-test error or fatal hardware error. Refer to the blink
code tables for specific fault conditions.
Health Status Test (ModSoft)
1. In ModSoft, access the I/O map screen and ensure that the module description, slot location, and
register assignments are correct.
2. Use the I/O map screen to verify that the module is recognized and reported as healthy. If you find an
asterisk in front of the module name, the rack does not recognize the module.