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CPU status indicator
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Topic: CPU status indicator (Read 10160 times)
dan
Newbie
Posts: 47
CPU status indicator
«
on:
September 27, 2004, 11:45:02 AM »
HI,
I just power up a TM2424.
The CPU status indicators LEDs are off all the time.
From what I know they are suppose to go on during the power up and during the transfer of the program
I'm missing something or there is a problem with this unit ?
Dan
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support
Global Moderator
Hero Member
Posts: 3174
Re:CPU status indicator
«
Reply #1 on:
September 27, 2004, 12:42:40 PM »
T100MD2424+ requires a special "MCR" power input to function properly.
You have to connect +24V to the "Vp" connector which is the center terminal between the "0V" terminal and "PW1" terminal. Pls read the installation guide which explains the function of Vp terminal. It is used as a "Master Control Relay" (MCR) input for controlling power to the PLC outputs.
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