Chapter 4 S−Link Control Unit; Names And Functions - Panasonic FP0 User Manual

FP0
4.1

Names and Functions

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Status indicator LED
1
The LED display the operation mode and error statuses.
ERROR ADDRESS display (2−digit hexadecimal display)
2
The address at which the S−LINK system error occurred is displayed.
Mode switch
3
The mode switch changes the operation mode.
Transmission indicator (SEND)
4
This flashes when input or output data is transmitted between the various units of
the S−LINK system.
ERROR indicators
5
These light if an error occurs in the S−LINK system.
ERR1 (Error 1): Short circuit between D − G line.
ERR2: Unused
ERR3 (Error 3): Abnormal voltage level between D − G line.
ERR4 (Error 4): Broken wire or S−LINK I/O device error
System SET button
6
Pressing the system SET button reads the connection status for the S−LINK
system and stores it in the memory. In subsequent operation, the S−LINK unit
checks for errors using the connection status registered at this time.
The output unit data effective at the time that the system SET button was pressed
is retained.
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S−LINK Control Unit
4.1 Names and Functions
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