Siemens Simatic S7 Series System Manual

Open loop motion control
12.8 Axis of Motion example programs
S7-200 SMART
534 System Manual, 09/2015, A5E03822230-AC
LAD/FBD
Description
STL
Network 10 Wait for Step 3.
Symbol and Address:
1
• State_Machine_Step =
VB1500
LDB=
State_Machine_
Step, 3
TON T33, 200
Network 11 If the State Machine moves
to Step 3, wait for 2 s. Then,
evaluate the status of the
switches, and restart the
move or stop.
Symbol and Address:
1
• CPU_Input2 = I0.2
• CPU_Output3 = Q0.3
• CPU_Output4 = Q0.4
• State_Machine_Step =
VB1500
LDB=
State_Machine_
Step, 3
A T33
LPS
R CPU_Output3, 1
R CPU_Output4, 1
AN CPU_Input2
MOVB 2,
State_Machine_
Step
LPP
A CPU_Input2
MOVB 4,
State_Machine_
Step
R M0.0, 4
Network 12 If the State Machine moves
to Step 4, clear the outputs.
Symbol and Address:
1
• CPU_Output3 = Q0.3
• State_Machine_Step =
VB1500
LDB=
State_Machine_
Step, 4
R CPU_Output3, 2
Network 13 If the State Machine is in
Step 4, flash output 5 to
indicate an error.
Symbol and Address:
1
• Clock_1s = SM0.5
(Clock pulse that is ON
for 0.5 s and OFF for 0.5
s for a duty cycle time of
1 s.)
• CPU_Output5 = Q0.5
• State_Machine_Step =
VB1500
LDB=
State_Machine_
Step, 4
A Clock_1s
= CPU_Output5

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.