Panasonic FP0 - Chapter 4 SLINK Control Unit; Names and Functions

S−LINK Control UnitFP0
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4.1 Names and Functions
4.1 Names and Functions
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1
Status indicator LED
The LED display the operation mode and error statuses.
2
ERROR ADDRESS display (2−digit hexadecimal display)
The address at which the S−LINK system error occurred is displayed.
3
Mode switch
The mode switch changes the operation mode.
4
Transmission indicator (SEND)
This flashes when input or output data is transmitted between the various units of
the S−LINK system.
5
ERROR indicators
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
6
System SET button
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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