Safety engineering
Safety functions
Safe direction
1
76
EDS94AYAE EN 6.0
Codes
Parameter: Name: Data type: Index:
C15340 SDI: Monitoring − normal operation
UNSIGNED_8 9235
d
= 2413
h
Setting of the monitoring of the direction of movement of the motor during normal operation
Selection list
(read only) Information
0 Both directions enabled
(From SM301 V1.3)
1 Positive direction enabled
2 Negative direction enabled
þ Read access o Write access o Controller inhibit o PLC-STOP o No transfer
C15341 SDI: Deceleration time
UNSIGNED_16 9234
d
= 2412
h
Safely monitored time from activation to switching on the monitoring SDIpos/SDIneg
Display area
(min. value | unit | max. value) Information
0 ms 30000 (From SM301 V1.3)
þ Read access Write access o Controller inhibit o PLC-STOP o No transfer
C15342 SDI: Tolerance threshold
UNSIGNED_32 9233
d
= 2411
h
Setting of the tolerance threshold by how many increments the motor may move towards the direction
inhibited through SDI
Display area
(min. value | unit | max. value) Information
0 Incr. 327680 (From SM301 V1.3)
þ Read access Write access o Controller inhibit o PLC-STOP o No transfer
C15343 SDI: Error response
UNSIGNED_8 9232
d
= 2410
h
Response to a violation of the permitted direction of movement of the motor
Selection list
(read only) Information
0 STO
(From SM301 V1.3)
1 SS1
2 SS2
þ Read access Write access o Controller inhibit o PLC-STOP o No transfer
C15344 SDI: Maximum change in position
UNSIGNED_32 9231
d
= 240F
h
Maximum change in position in inhibited direction if SDI is active
Display area
(min. value | unit | max. value) Information
0 Incr. 2147483647
Subcodes Information
C15344/1 SDIpos: Maximum change in position (from SM301 V1.3)
C15344/2 SDIneg: Maximum change in position (from SM301 V1.3)
þ Read access o Write access o Controller inhibit o PLC-STOP o No transfer
1.3.10.2 Activation
How to activate the "Safe direction" function:
ƒ Permanent monitoring of the direction of movement during normal operation
(C15340).
ƒ "OFF state" at a safe input, the function of which has been assigned by parameter
setting.
ƒ In conjunction with safely limited speed SLSx (C15333).
ƒ Via a safety bus data telegram with corresponding content.
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