Siemens SIMATIC Operating Instructions

Fail-Safe Connection Modules
7.2 CM IO 12xM12 Fail-Safe Connection Module for EM 4/8 F-DI/4-DO DC24V/2A PROFIsafe
ET 200pro Distributed I/O System - Fail-Safe Modules
52 Operating Instructions, 05/2007, A5E00394073-02
Terminal assignment
The terminal assignment depends on which electronic module is being used.
View Terminal Designation
X1 1. M12 circular socket
connector
X2 2. M12 circular socket
connector
X3 3. M12 circular socket
connector
X4 4. M12 circular socket
connector
X5 5. M12 circular socket
connector
X6 6. M12 circular socket
connector
X7 7. M12 circular socket
connector
X8 8. M12 circular socket
connector
X9 9. M12 circular socket
connector
X10 10. M12 circular socket
connector
X11 11. M12 circular socket
connector
X12 12. M12 circular socket
connector
Block Diagram
The following figure presents the block diagram of the CM IO 12 x M12 connection module.
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Figure 7-2 Block Diagram of CM IO 12xM12 Connection Module
Technical specifications
Dimensions and Weight
Dimensions W x H x D (mm) 90 x 130 x 39
Weight 18.70 oz

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)