Siemens SINUMERIK 840D sl Function Manual

Detailed description
2.12 Block descriptions
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
209
Description of formal parameters
The table below lists all formal parameters of the POS_AX function:
Signal I/O Type Value range Remark
Start I BOOL
AxisNo I BYTE 1 - 31 No. of axis to be traversed
IC I BOOL 0 = Absolute
1 = Incremental
Inch I BOOL 0 = mm
1 = Inch
HWheelOv I BOOL 1 = Handwheel override
Pos I REAL ∓ 0,1469368 I -38 to
∓ 0,1701412 I +39
Position of linear axis: mm
Rotary axis: Degr.
FRate I REAL ∓ 0,1469368 I -38 to
∓ 0,1701412 I +39
Feedrate of linear axis: mm/Min
Rotary axis: deg/min
InPos A BOOL 1 = In position
Active A BOOL 1 = Active
StartErr A BOOL Axis cannot be started.
Error A BOOL Error during traversing
1)
1)
Error evaluation by user in the PLC
Timing diagram
6WDUW
$FWLY
,Q3RV
(UURU
6WDUW(UU

 


 


(1) Activation of function
(2) Positioning axes active
(3) Positive acknowledgment: Position reached
(4) Reset function activation after receipt of acknowledgment
(5) Signal change using FC
(6) Reset function activation after receipt of active signal

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based