1 . M P U U n i ts
MN05003006E For more informat ion visit :
w w w. e a t o n . c o m
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Preparation
1. Prior to applying power, please verify that the power connections and the input/output
wiring are correct.
2. After downloading the program to the ELC controller, check that the ERROR LED on the
controller is not on. If it is not on, this means that the program is legitimate, and is now
waiting for the user to give the RUN command.
Operation & Test
1. If the “ERROR” LED on the ELC is not blinking, use the RUN/STOP switch or the
programming software to provide the RUN command, and the RUN indicator will then turn
on. If the “RUN” LED is not on, it indicates that there is no program in the ELC.
2. The ELC programming software can be utilized to monitor the program during operation..
Low Battery Voltage Indication (ELC-PC/PA/PH)
There is also a “BAT.LOW” LED at the front of the ELC. When the LED is on, it indicates that the
battery voltage is insufficient. Please change the battery (within 1 minute of removing power) as
soon as possible; otherwise the user programs and the data in latched areas may be lost.
Low Battery Voltage Indication (ELC-PV)
The rechargeable lithium-ion battery in ELC-PV is mainly used on the latched procedure and
data storage. The lithium-ion battery has been fully charged in the factory and is able to retain
the latched memory and data storage for 12 months. If ELC-PV has not been powered or used
for more than 12 months, the battery will be out of power and the memory and data will be lost.
Input/Output Throughput (ELC-PB/PC/PA/PV)
The throughput time from the input signal to the output operation is calculated as follows:
Throughput Time = input delay time + program scan time + output delay time
Input delay time
Factory setting is 10ms. Please refer to special registers
D1020~1021.
Program scan time
Refer to special register D1010.
Input/Output Throughput (ELC-PH)
The total throughput from the input signal to the output operation is calculated as follows:
Throughput Time = input delay time + program scan time + output delay time
Input delay time
X0~X5: 10ms (factory default), 0~20ms adjustable. Refer to special
registers D1020. X10, X11: 0ms (factory default), 0~1,000ms
adjustable. Refer to special registers D1021.
Program scan time Refer to the usage of special register D1010.
1.2.6.2 Troubleshooting
The LEDs on the front of each controller can indicate the cause of a fault, per the following:
ELC-PB/PC/PA/PH/PV
