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Siemens Simatic S7 Series System Manual

Siemens Simatic S7 Series
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Installation
3.3 Installation and removal procedures
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
45
3.3.3
Installing and removing an expansion module
Table 3- 3 Installing an expansion module
Task
Procedure
Follow the steps below to install an expansion module:
1. Ensure that the CPU and all S7-200 SMART equipment are disconnected from
electrical power.
2. Remove the cover for the I/O bus connector from the right side of the CPU.
3. Insert a screwdriver into the slot above the cover.
4. Gently pry the cover out at its top and remove the cover. Retain the cover for
reuse.
Connect the expansion module to the CPU.
1. Pull out the bottom DIN rail clip to allow the expansion module to fit over the
rail.
2. Position the expansion module to the right of the CPU.
3. Hook the expansion module over the top of the DIN rail.
4. Slide the expansion module to the left until the I/O connector fully engages the
connector on the right of the CPU and push the bottom clip in to latch the ex-
pansion module onto the rail.

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Siemens Simatic S7 Series Specifications

General IconGeneral
CPUVaries by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication InterfacesPROFIBUS, PROFINET, Ethernet, MPI
ProgrammingTIA Portal, STEP 7
Programming LanguagesLAD, FBD, STL, SCL, GRAPH
I/O ModulesDigital, Analog, Specialty modules available
Operating Temperature0°C to 60°C (standard models)
MountingDIN rail mounting
Operating Voltage24V DC or 120/230V AC (varies by model)
Protection ClassIP20 (standard models)
MemoryVaries 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.

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