Siemens Simatic S7 Series System Manual

Open loop motion control
12.10 Advanced topics
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
553
Note
You can have between 1 and 16 steps in the Configuration/Profile table, Profile block 0.
Table 12- 41 Configuration/Profile table: Profile block 1
Configuration/Profile table
Byte offset
Name
Function description
Type
Profile block 1
X
1
STEPS Number of steps in this move sequence (1 byte)
Note: There can be up to 16 steps.
--
(X + 1) MODE Selects the mode of operation for this profile block (1
byte)
--
(X + 2)
Step 0: POS
Position to go to in move step 0 (4 bytes)
DInt/Real
(X + 4)
Step 0: SPEED
The target speed for move step 0 (4 bytes)
DInt/Real
...
...
...
...
1
The offset of Profile block 1 and subsequent blocks is variable and dependent upon the number of
steps configured in the largest profile. The offset is determined by the following formula:
Offset of Profile block x = CB_LEN + IB_LEN + (x * PF_LEN)
Table 12- 42 Profile detail for Mode 0 (Absolute position)
Byte offset
from start of
profile
Step
number
Name
Field size
Value
+0 STEPS byte n = Number of steps configured in this
profile
+1
MODE
byte
0 = Absolute position
+2
0
POS
dint/fp
Destination position in step 0
+6 SPEED dint/fp Target speed for step 0
●
●
●
(4 * n) + 2
n
POS
dint/fp
Destination position in step n
($ * N) + 6
SPEED
dint/fp
Target speed for step n

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.