FS-8700-48 Fike Cheetah Manual

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4.5.5.Map Descriptor Example 5 (Specific Device)

This example shows how you can define a Map Descriptor for the storage of the state of one specific device. (Device 20 in this example)

//Server side Map Descriptors

Map Descriptors

 

 

 

 

 

 

 

 

Map_Descriptor_Name,

Data_Array_Name,

Data_Array_Offset,

Function,

Node_name,

Cheet_Zone,

Cheet_DT,

Cheet_Device,

Cheet_Loop

Device20_L1_Alm,

DA_DI1,

20,

Passive,

Node_A,

None,

Alarm,

20,

1

 

 

 

 

 

 

 

 

 

You can give each Map Descriptor a unique name or as in this example, leave them with a generic name describing the action they perform.

They are passive because this driver is a data consumer.

The alarm state is being stored.

We are storing device data so the Cheet_Zone must be set to None.

The device belongs to loop1

The Device number is 20.

Each Map Descriptor in this example reads data for one device only. Thus each Map Descriptor must point to a different Data Array or as is the case in this example, to a different location in the same Data Array.

Even though the driver is node independent, Node_A ties this Map Descriptor to a Node Descriptor which thus connects the Map Descriptor to a protocol and to a port.

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Accton Technology FS-8700-48 instruction manual Map Descriptor Example 5 Specific Device

FS-8700-48 specifications

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