Connecting
4.3 Control/status interface - X8
SINAMICS V90, SIMOTICS S-1FL6
126 Operating Instructions, 04/2019, A5E36037884-007
24 REF Edge
0→1
Set reference point with digital input or refer-
ence cam input for reference approaching
mode.
• 0→1: reference input
X ✓ X X X
25 SREF Edge
0→1
The reference approach will be started with the
signal SREF.
• 0→1 start reference approach
X ✓ X X X
26 STEPF Edge
0→1
Step forward to the next fixed position setpoint.
• 0→1 start step action
X ✓ X X X
27 STEPB Edge
0→1
Step backward to the previous fixed position
setpoint.
• 0→1 start step action
X ✓ X X X
28 STEPH Edge
0→1
Step to the fixed position setpoint 1.
• 0→1 start step action
X ✓ X X X
Note: "X" means that the DI signal is not effective for this control mode, although the value can be modified.
Note
When working in the torque control mode, the torque setpoint equals to 0 if CWE and CCWE
are at the same status. For more information, please refer to section
Direction and stop
263).
Note
Invalid circumstances for DI signals
When SINAMICS V
-ASSISTANT is communicating with the drive or you are operating the
-ASSISTANT, some DI signals are invalid:
During referencing via SINAMICS V-ASSISTANT, DI signal SREF is invalid.
During a trial run test, DI signal SON is invalid; meanwhile, DI7 and DI8 are occupied by
SINAMICS V-ASSISTANT.
Force the following six signals to logical "1" with parameter p29300 (P_DI_Mat):
● SON
● CWL
● CCWL
● TLIM1
● SPD1