How To Pull Out The Sto Cable - Mitsubishi Electric MELSERVO-J5 User Manual

Signals and STO status
The following table shows the status of TOFB and STO for when STO1 and STO2 are ON (closed) or OFF (open) while the
power is turned on in an operation with no alarms or warnings.
Input signal Status
STO1 STO2 Between TOFB1 and
TOFCOM
(STO1 state)
OFF OFF ON: STO state
OFF ON ON: STO state
ON OFF OFF: STO release state
ON ON OFF: STO release state
*1 Between TOFB1 and TOFB2 is off, but the servo amplifier is in the STO state.
Test pulse of STO input signal
Set the test pulse off time inputted from outside to 1 ms or less.

How to pull out the STO cable

The following shows how to pull out the STO cable from the CN8 connector of the servo amplifier.
With the clip (1) of the STO cable plug pressed in the direction of the arrow, hold the plug (2) and pull out.
Between TOFB2 and
TOFCOM
(STO2 state)
ON: STO state
OFF: STO release state
ON: STO state
OFF: STO release state
(2)
(1)
8.2 Functional safety I/O signal connector (CN8) and pin assignments
Between TOFB1 and TOFB2
(STO state)
ON
*1
OFF
*1
OFF
OFF
8 USING STO FUNCTION
STO
STO state
STO state
STO state
STO release state
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