Keyence IV Series User Manual download pdf (Page 38)

3-16

- IV Series User’s Manual (Field Network) -

Data allocation in the cyclic communication

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Input Assembly Address 8 to 23: Error/status/status result information

The Bits at Address 8 to 23 of the Input Assembly have the following functions:

Address

Data

type*

Item Content Data content

8 to 9 UINT Error code

Displays the currently occurring

error code.

0 to 128

10 to 11 UINT Warning code

Displays the currently occurring

warning code.

0 to 128

12 to 13 UINT

Number of remaining

buffers

Displays the number of status

results that can be buffered, if

handshake control is [Enabled].

0 to 10

14 to 15 UINT Checksum

Displays the current sensor

setting status using an arbitrary

5-digit integer.

0 to 65535

16 to 17 UINT Current program No.

Displays the current program

No.

0 to 31

18 to 19 UINT

Program No. during

judgment

Displays the program No. of the

latest judgment process.

0 to 31

20 to 21 UINT Result No.

Displays the judgment process

counts.

0 to 32767

22 to 23 UINT Processing time

Displays the processing time of

the latest judgment process.

0 to 10000

* UINT : Unsigned 16-bit integer

UDINT : Unsigned 32-bit integer

The unit of processing time is msec.

If two or more errors are occurring at the same time, the error code of the highest priority error will be

displayed.

“Error code list” (Page 3-22)

The rst occurred warning code will be displayed.

“Warning code list” (Page 3-23)

A checksum can be used to monitor whether the sensor settings have been modied by a third party.

The checksum will remain unchanged even if you switch programs.

The checksum will remain unchanged even if you change the IP address, subnet mask, default gateway

or port number of the IV series.

For the number of remaining buffers, refer to “Reading out the overall status result of the IV series

(Handshake control [Enabled])” (Page 3-28).

The upper limit value of the result No. is 32767. If the maximum value is exceeded, it will go back to 0

and start counting up again.

The result No. will also count the judgment process counts that were skipped due to the cyclic

frequency setting.

Cyclic communication

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 109 110

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Keyence IV Series User Manual Page 38

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