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Serial CPs -- Product information -- System description (protocols)

	Which hardware and software components do you need to establish communication between SIMATIC S7 stations and third-party devices using the MODBUS RTU protocol?
	Which types of connection/protocols do the S7-300/400 CPUs and the CPs support by default?
	What are the differences between CP441-1 and CP441-2?
	Which Details does Technical Support need regarding Inquiries on SIMATIC for S5 / S7 Point to Point communication
	What properties, advantages and special features does the RK512 protocol offer?
	What properties, advantages and special features does the Data Highway protocol offer?
	What properties, advantages and special features does the ASCII protocol offer?
	What properties, advantages and special features does the procedure 3964 (R) offer?
	What properties, advantages and special features does the Modbus protocol offer?

What are the differences between CP441-1 and CP441-2?

Part number:

PROBLEM:
What are the differences between CP441-1 and CP441-2?

ANSWER:

Function CP 441-1 CP 441-2

Number of interfaces 1 2

Maximum baud rate 38400 bit/sec 76200 bit/sec

RK512 computer connection no yes

Special drivers no yes

Entry ID:42980

Date:1996-03-25

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