CompoBus/D System Startup | Chapter 4 | |
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DVerification Error: Slave I/O Size Differs
A verification error (Slave I/O Size Differs) will occur and it will not be possible to start CompoBus/D communications if a Master Unit is being used with the scan list enabled and the type of I/O (input or output) or the number of I/O points registered for a Slave in the scan list does not match the actual I/O specifications of the Slave that is connected to the Master Unit. This error will occur only when the scan list is enabled.
To eliminate and clear this error, either create the scan list again or replace the Slave with the kind of Slave registered in the scan list.
Note The scan list verification is performed in byte units (8 bits). A verification error will therefore not occur if a
HFixed Allocation Example
Node | Output | Input |
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address points | points |
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0 | 0 | 8 | CIO 1900 |
1 | 8 | 0 | CIO 1901 |
2 | 0 | 16 | CIO 1902 |
3 | 16 | 0 | CIO 1903 |
4 | 8 | 8 | CIO 1904 |
5 | 16 | 16 | CIO 1905 |
6 | 0 . . . | 48 | CIO 1906 |
7 | . . . Master Unit (see note 2) | CIO 1907 | |
8 | 32 . . . | 0 | CIO 1908 |
9 | . . . (see note 3) |
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10 |
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11 | 32 . . . | 32 | CIO 1911 |
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12 | None | None | CIO 1912 |
63 | None | None | CIO 1963 |
Output area
Allocation not possible
Allocation Allocated not possible
Allocation not possible
Allocated
Allocation | Allocated |
not possible
Allocated
Allocation not possible
Allocation possible
Allocated
Allocated
Allocated
Allocated
Not used
Not used
CIO 2000 CIO 2001 CIO 2002 CIO 2003 CIO 2004 CIO 2005 CIO 2006 CIO 2007 CIO 2008 CIO 2009
CIO 2010 CIO 2011 CIO 2012
CIO 2063
Input area
Allocation |
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not possible |
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Allocation not possible | |||||
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Allocation not possible | |||||
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Allocation |
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not possible |
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Allocated
Allocated
Allocated
Allocation possible
Allocated
Allocated
Not used
Not used
Note | 1. | The above example is for allocations in a |
Note | 2. | The Master Unit is not allocated any words, so any available node address can be used as |
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| node address 7. |
Note | 3. | Slaves can be allocated to the words labeled “Allocation possible” as long as the same words |
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| are not allocated to more than one Slave. |
HBasic Application Procedure
1.Set the initial settings for the Master Unit:
Unit number (“UNIT No.” or “MACHINE No.” on front panel switch) Node address (back panel DIP switch)
Baud rate (front panel DIP switch)
Communications continue/stop setting for communications error (front panel switch)
