Connecting
4.3 Control/status interface - X8
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
123
You can assign a maximum of 28 internal digital input signals to the SINAMICS V90 servo
drive. For detailed information about these signals, see the table below:
1 SON Edge
0→1
1→0
Servo-on
• 0→1: powers on power circuit and makes
servo drive ready to operate.
• 1→0: motor ramps down (OFF1) in PTI,
Fast PTI, IPos, and S modes; motor coasts
down (OFF2) in T mode.
✓ ✓ ✓ ✓ ✓
2 RESET Edge
0→1
Reset alarms
• 0→1: Reset alarms
✓ ✓ ✓ ✓ ✓
3 CWL Edge
1→0
Clockwise over-travel limit (positive limit)
• 1 = condition for operation
• 1→0: quick stop (OFF3)
✓ ✓ ✓ ✓ X
4 CCWL Edge
1→0
Counter-clockwise over-travel limit (negative
limit)
• 1 = condition for operation
• 1→0: quick stop (OFF3)
✓ ✓ ✓ ✓ X
5 G-
CHANGE
Level Gain change between the first and the second
gain parameter set.
• 0: the first gain parameter set
• 1: the second gain parameter set
✓ ✓ ✓ X ✓
6 P-TRG Level
Edge
0→1
In PTI/Fast PTI mode: pulse allowable/inhibit.
• 0: operation with pulse train setpoint is
possible
• 1: inhibit the pulse train setpoint
In IPos mode: position trigger
• 0→1: starts positioning of selected fixed
position setpoint
P-TRG in PTI/Fast PTI mode is reserved
✓ ✓ X X ✓
7 CLR Level Clear position control droop pulses.
• 0: not clear
• 1: clear the droop pulses based on the
selected clear mode by p29242
✓ X X X ✓