Mitsubishi Electric Melservo-J5 MR-J5 Series - Page 293

8 USING STO FUNCTION
8.2 Functional safety I/O signal connector (CN8) and pin assignments
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8
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.
*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.
Input signal Status
STO1 STO2 Between TOFB1 and
TOFCOM
(STO1 state)
Between TOFB2 and
TOFCOM
(STO2 state)
Between TOFB1 and TOFB2
(STO state)
STO
OFF OFF ON: STO state ON: STO state ON STO state
OFF ON ON: STO state OFF: STO release state OFF
*1
STO state
ON OFF OFF: STO release state ON: STO state OFF
*1
STO state
ON ON OFF: STO release state OFF: STO release state OFF STO release state
(1)
(2)