Siemens SINAMICS V90 Operating Instructions Manual page 223

Bit
Signals
6 Reserved -
7 RESET Reset faults
8 Reserved -
9 Reserved -
10 PLC Enable master control from the PLC
11 Rev Direction of rotation reversal
12 Reserved -
13 Reserved -
14 Reserved -
15 Reserved -
Note
The following signals are occupied by Modbus control word when you use the setpoint and
control word from Modbus as the Modbus control source (p29008 = 1). They can only be
enabled by Modbus control word while cannot be enabled by external DI terminals.
• PTI control mode: SON
• IPos control mode: SON, SREF (REF for reference mode 0)
• S control mode: SON, CWE/CCWE
• T control mode: SON
Note
In IPos control mode, when the relative positioning mode is selected, the method for
accepting MDI setpoint must be a rising edge (bit 5 = 0); otherwise, fault F7488 occurs.
Note
In IPos control mode, when you implement the absolute positioning for the modular axis with
Modbus, you can select the MDI direction with parameter p29230.
Note
All the reserved bits in register 40100 must be set to 0.
Definition of register 40110
Bit
Signals
0 RDY
1 FAULT
2 INP
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884
S control mode
Description
PTI, IPos, S and T control modes
Servo ready
Fault status
In-position signal
7.7 Communicating with the PLC
T control mode
Signals
Reserved -
RESET Reset faults
Reserved -
Reserved -
PLC Enable master control from the PLC
Reserved -
Reserved -
Reserved -
Reserved -
Reserved -
Description
Control functions
Description
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