Siemens Simatic S7 Series

Technical specifications
A.2 S7-200 SMART CPUs
S7-200 SMART
594 System Manual, 09/2015, A5E03822230-AC
Technical data
Description
CPU ST60, CPU SR60
CPU CR60 AC/DC/Relay
Signal board expansion
1 max.
--
High-speed counters 4 total
• 4 at 200 KHz single phase
• 2 at 100 KHz A/B phase
4 total
• 4 at 100 KHz single phase
• 2 at 50 KHz A/B phase
Pulse outputs
2
3 at 100 KHz --
Pulse catch inputs
14
14
Cyclic interrupts 2 at 1 ms resolution 2 at 1 ms resolution
Edge interrupts 4 rising and 4 falling (6 and 6 with option-
al signal board)
4 rising and 4 falling
Memory card
microSDHC card (optional)
microSDHC card (optional)
Real time clock accuracy
120 seconds/month
--
Real time clock retention time
7 days typ./6 days min. at 25°C
--
1
You can configure areas of V memory, M memory, C memory (current values) and portions of T memory (current values
on retentive timers) to be retentive, up to the specified maximum amount.
2
The specified maximum pulse frequency is possible only for CPU models with transistor outputs. Pulse output operation
is not recommended for CPU models with relay outputs.
Table A- 51 Performance
Type of instruction
Execution speed
Boolean
150 ns instruction
Move Word
1.2 μs/instruction
Real math
3.6 μs/instruction
Table A- 52 User program elements supported
Element
Description
POUs Type/ quan-
tity
Main program: 1
Subroutines: 128 (0 to 127)
Interrupt routines: 128 (0 to 127)
Nesting
depth
From main program: 8 subroutine levels
From interrupt routine: 4 subroutine levels
Accumulators
Quantity
4
Timers Type/ quan-
tity
Non-retentive (TON, TOF): 192
Retentive (TONR): 64
Counters Quantity 256