Technical specifications
A.2 S7-200 SMART CPUs
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
695
CPU ST30, CPU SR30, and CPU CR30s
A.2.2.1
General specifications and features
General specifications and features of the CPU ST30, CPU SR30 and CPU CR30s
Table A- 23 General specifications
Dimensions W x H x D
110 x 100 x 81 110 x 100 x 81 110 x 100 x 81
Power dissipation 12 W 14 W 7 w
Current available (EM
1400 mA max. (5 V DC) 1400 mA max. (5 V DC) Not available
Current available (24 V
300 mA max. (sensor power) 300 mA max. (sensor power) Not available
Digital input current
4 mA/ input used 4 mA/ input used 4 mA/ input used
Table A- 24 CPU features
User
memory
1
1
1
1
Process image 256 bits of inputs (I) / 256 bits
256 bits of inputs (I) / 256 bits
256 bits of inputs (I) / 256 bits
Analog image 56 words of inputs (AI) / 56
56 words of inputs (AI) / 56
Not available
Temporary (local) memory
(L)
64 bytes in the main program
and 64 bytes in each
subroutine and interrupt rou-
tine
60 bytes when programming
in LAD or FBD (STEP 7-
Micro/WIN reserves 4 bytes)
64 bytes in the main program
and 64 bytes in each
subroutine and interrupt rou-
tine
60 bytes when programming
in LAD or FBD (STEP 7-
Micro/WIN reserves 4 bytes)
64 bytes in the main program
and 64 bytes in
each subroutine and interrupt
routine
60 bytes when programming
in LAD or FBD (STEP 7-
Micro/WIN reserves 4 bytes)
Sequential control relays
256 bits 256 bits 256 bits
Expansion modules
6 6 Not available