Mitsubishi MELSEC-A A64RD3C User Manual page 37

3. LINKING TO THE A2CCPU
MELSEC-A
(6) Disconnection Detection (A64RD3C: X(n+l9) to X(n+l C), A64RD4C:
X(n+l9))
Goes ON
if a disconnection is detected.
Goes OFF if no disconnection is detected.
[REMARK/
(1)*1
...
Normal mode is established when test mode terminals on an A64RDC are not con-
nected.
(2)*2
...
Test mode is established when test mode terminals on an A64RDC are connected
(shorted). Error compensation can be done.
(3) See Section 2.3.5 for disconnection detection.
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