Siemens Simatic S7 Series System Manual

Open loop motion control
12.8 Axis of Motion example programs
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
531
12.8.2
Axis of Motion AXISx_CTRL, AXISx_RUN, AXISx_SEEK, and AXISx_MAN
example
This program provides an example of the AXISx_CTRL, AXISx_RUN, AXISx_RSEEK, and
AXISx_MAN subroutines. You must configure the RP seek mode and a motion profile.
Table 12- 34 Example: Axis of Motion AXISx_CTRL, AXISx_RUN, AXISx_SEEK, and AXISx_MAN subroutines application
LAD/FBD
Description
STL
Network 1
Enable the axis by turning
CPU_Input1 off.
Symbol and Address:
1
• Always_On = SM0.0
• AXIS0_CTRL = SBR1
• CPU_Input1 = I0.1
LD Always_On
= L60.0
LDN CPU_Input1
= L63.7
LD L60.0
CALL AXIS0_CTRL,
L63.7, M1.0,
VB900, VD902,
VD906, V910.0
Network 2
Move the axis to a known
position using the Jog
command. You can now
move the axis manually.
Symbol and Address:
1
• AXIS0_MAN = SBR2
• CPU_Input10 = I1.2
• CPU_Input12 = I1.4
• CPU_Input13 = I1.5
• CPU_Input8 = I1.0
• CPU_Input9 = I1.1
LD CPU_Input8
AN M0.0
= L60.0
LD CPU_Input9
= L63.7
LD CPU_Input10
= L63.6
LD CPU_Input12
= L63.5
LD L60.0
CALL AXIS0_MAN,
L63.7, L63.6,
L63.5, 100000.0,
CPU_Input13,
VB920, VD902,
VD906, V910.0
Network 3 Reset the process. Set the
initial step to "0".
Symbol and Address:
1
• CPU_Input1 = I0.1
• CPU_Output3 = Q0.3
• First_Scan_On = SM0.1
• Homing_Done = M1.1
• State_Machine_Step =
VB1500
LD CPU_Input1
O First_Scan_On
R M0.0, 1
MOVB 0,
State_Machine_
Step
R CPU_Output3, 3
R Homing_Done, 2

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.