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PROFIBUS S7-300/400 CPs -- Product information -- System description
What is the difference between "normal routing" and data record routing?
Which modules can you use when implementing software redundancy?
What are the functional restrictions of old releases and firmware versions for the S7-400 CPUs operating in conjunction with the CP443-5 Extended V6.1?
Which types of connection/protocols do the S7-300/400 CPUs and the CPs support by default?
Which SIMATIC S7 modules support the "Direct Data Exchange" function (internode communication)?
Meaning of the numeric display in the NCM diagnostics buffer
Which protocols does CP 342-5 support?
Different block behavior of the FC5 and FC50 for Ind. Ethernet S7 300 CPs
What are the requirements for using the S7 routing function and which modules can you implement?
What properties, advantages and special features does the DP protocol offer?
What properties, advantages and special features does the FMS protocol offer?
What properties, advantages and special features does the S7 protocol offer?
What properties, advantages and special features does the FDL protocol offer?
Meaning of the numeric display in the NCM diagnostics buffer
Part number:

QUESTION:
How can I recognize the type of job from the numeric display in the diagnostics buffer?

ANSWER:
In the NCM diagnostics buffer of the communications processor, the entries of the FMS services are displayed in numeric form. This display identifies the jobs "READ", "WRITE", "REPORT", "STATUS" and "IDENT". The corresponding assignments are shown in the table below:

Client:

FMS service

#define OPC_OBK_STATUS

0x00

#define OPC_OBK_IDENTIFY

0x01

#define OPC_OBK_READ

0x02

#define OPC_OBK_WRITE

0x03

#define OPC_OBK_REPORT

0x04

 

Server:

FMS service

# define SPEC_STATUS_SRV

0x00u

# define SPEC_IDENTIFY_SRV

0x10u

# define SPEC_READ_SRV

0x20u

# define SPEC_WRITE_SRV

0x30u

# define SPEC_GET_OV_SRV

0x40u

# define SPEC_INFO_REPORT_SRV

0x00u

Keywords:
Job ID, Code key, Coding


 Entry ID:7746513   Date:2001-07-10 
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