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Appendix E
Hardware Test
If Peripheral Devices are connected to an E5ZE in a system without a host device connection, the hardware test
function of the E5ZE makes it possible to check whether the Peripheral Devices are connected properly.
The following tests can be performed with the hardware test function.
•
E5ZE self-communications test (loop-back test)
•
Memory bank designation input (MB0 to MB2) test
•
Control output test and alarm output test
•
Temperature sensor input test
•
Current Transformer (CT) input test
Hardware Test Mode
Set the FUNCTION switch pins according to the following diagram, so that the E5ZE will be in hardware test mode.
Turn pins 3 to
5 and 8 ON.
Turn pin 3 OFF.
Turn pin 4 OFF.
Turn pin 5 OFF.
Power is OFF.
Indicators are lit with
power turned ON.
Wait for 1 s min.
Wait for 1 s min.
RDY indicator flashes.
Test mode starts