Contents

 

Section 4: Accessing the Station Manager

3-32

 

Access Station Manager Screen

3-32

 

Section 5: Using the GSM Support Functions

3-33

 

List All Stations Screen

3-33

 

Setup GSM Menu

3-35

 

Changing the GSM Password Screen

3-35

 

Set Download Mode Screen

3-36

 

Set Station Manager Mode Screen

3-36

 

Exit to DOS

3-36

Chapter

4 Programming Communications Requests

4-1

 

Section 1: The Communications Request

4-2

 

Structure of the Communications Request

4-2

 

COMMREQ Function Block

4-3

 

COMMREQ Command Block

4-3

 

Channel Commands

4-3

 

Status Data

4-4

 

The Logic Program Controlling Execution of the

 

 

COMMREQ Function Block

4-4

 

Operation of the Communications Request

4-5

 

Section 2: The COMMREQ Function Block and Command Block

4-6

 

The COMMREQ Function Block

4-6

 

The COMMREQ Command Block

4-7

 

Section 3: Channel Commands

4-9

 

Establishing a Channel

4-9

 

Aborting and Re-tasking a Channel

4-9

 

Retrieving Detailed Status on the Channel

4-10

 

Specifying the Location of the Channel Status

4-10

 

Establish Read Channel (2003)

4-11

 

Establish Write Channel (2004)

4-15

 

Send Information Report (2010)

4-18

 

Abort Channel (2001)

4-21

 

Retrieve Detailed Channel Status (2002)

4-22

 

Assign Channel Status Vector (2000)

4-24

 

Section 4: Status Data

4-25

 

Types of Status Data

4-25

 

Description of the Status Data

4-26

 

OK Output of the COMMREQ Function Block

4-26

 

FT Output of the COMMREQ Function Block

4-26

 

Status Bits

4-26

 

Communications Status Words

4-29

 

Minor Error Codes

4-31

GFK-1004B

TCP/IP Ethernet Communications User's Manual ± January 1996

vii

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Image 7
GE GFK-1004B user manual Accessing the Station Manager