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3-2 Setting the Routing Tables
3-2-3 Setting the Gateway Counter
3-20
3-2-3
Setting the Gateway Counter
Use the following procedure to set the gateway counter in the PLC.
To set the gateway counter, the routing tables must be displayed in the PLC Routing
Table Window. The gateway counter can be set offline or online.
Function of the Gateway Counter
In a FINS network, a GCT value (gateway counter: number of allowed bridge passes)
is set in each FINS command frame's FINS header when a FINS command is sent or
a FINS response is returned. When a FINS response is received, this GCT is
automatically decremented by the number of times that the message passed across
network layers. The following examples illustrate the function of the GCT value.
When GCT = 02 hex, up to 3 network layers can be crossed.
When GCT = 07 hex, up to 8 network layers can be crossed. (The network must be
configured for PLC models with the GCT set to 07 hex.)
Setting the Gateway Counter
Setting the Gateway Counter Value for each PLC Model
The allowed settings for the GCT value depend upon the PLC model.
CS/CJ-series Units Version 3.0 and Later
The GCT value can be set to 02 hex or 07 hex.
Set the GCT value in the Gateway Counter Setting Dialog Box when creating the
routing tables.
Setting the Gateway Counter in a FINS Local Routing Table:
1. Click the
SIOU
Tab at the bottom of the PLC Routing Table Window and right-click
the local PLC's icon.
Содержание CJ Series
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Страница 3: ...CXONE AL C V3 CXONE AL D V3 CX Integrator Ver 2 3 Operation Manual Revised February 2009 ...
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Страница 154: ...Communications Section 3 Routing Tables This section describes how to set the routing tables ...
Страница 189: ...3 3 Maintenance after Network Configuration 3 3 2 Editing the FINS Local Network Tables 3 36 ...
Страница 244: ...Communications Section 5 Ethernet This section describes the operations specific to Ethernet ...
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Страница 353: ...7 8 Other CompoNet Functions 7 8 2 Installing Expansion Modules 7 32 ...
Страница 354: ...Communications Section 8 CompoWay F This section explains the settings and operations specific to the CompoWay F system ...
Страница 368: ...Communications Section 9 NT Links This section explains the settings and operations specific to the NT Link system ...
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Страница 407: ...A 1 CPS File Management A 1 1 Description of CPS Files A 4 ...
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