Rockwell-automation 900 Temperature Controller Communications Function Manuel d'utilisateur télécharger pdf (Page 19)

Publication 900-UM004D-EN-E - July 2010

Bulletin 900 Communications Procedures 900-TCx (CompoWay/F) 2-3

Communications Data

Example of End Code

The following examples show an end code when a command did not end

normally.

Example 1: Illegal sub-address, and no SID and command text

Command Format:

Response Format:

End code is "16" (sub-address error).

This is because a sub-address was received and the sub-address error has a

higher error detection priority than the format error.

Example 2: No command text

Command Format:

Response Format:

End code is 14 (format error).

Table 2.3 Communications Data

Communications

Specifications

Set (Monitor)

Value

Minus Value Decimal Point

CompoWay/F

(Bulletin 900-TCx)

8 digits (Hex) 2's complement Decimal point is removed and

the result is converted to

hexadecimal. Example: 105.0

Æ 1050 Æ H’000041A

Node No. Sub-address BCC

STX 0 A ETX

BCC

ETX

End Code

Sub-address

Node No.

STX

Node No. Sub-address SID BCC

0 00ETX

BCC

ETX

End Code

410

Sub-address

Node No.

STX

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 102 103

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Rockwell-automation 900 Temperature Controller Communications Function Manuel d'utilisateur Page 19

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