CN8240 & CN8260 Series Communications & Options
Digital
Communications Option
The Auxiliary Command Response:
The Auxiliary Command Response will be sent in response to an Auxiliary Command Request. Some examples are:
Request Message | Description | ||||||||||||||||||
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%Ø1Ø1AØ1ØXXXXXXXXXXØ4<CR> | Default load all parameters | ||||||||||||||||||
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| has started. |
%Ø2Ø1AØ2ØØ.ØØØØØØØØB6<CR> | RTD low calibration on controller | ||||||||||||||||||
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| #2 has started. |
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| END CHAR |
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| CHKSUM |
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| DATA |
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| STATUS |
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| PARAM |
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| TYPE |
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| ZONE |
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| ID |
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| START CHAR |
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Table 1. Communications Parameter List (Omega+ Protocol)
Number Name | Read Write Data Field Value |
1 | Controller Type | X | 0 |
2 | Software Version | X | 0 |
3 | Communications Version | X | 0 |
4 | Status Byte | X | 0 |
CN8240/CN8260 Parameter Codes
“X”s mark parameters that are supported by the CN8240 and CN8260 and “O”s indicate parameters that are not supported.
3
This field contains the ASCII representation of an
in which the bit assignments are as follows (starting from the least significant bit):
X | Process Input Error |
X | RAS Error |
0 | Always Zero |
X | Loop Break |
X | Alarm 1 Active |
X | Alarm 2 Active |
0 | Always Zero |
0 | Always Zero |
If a bit at a location marked as “X” is set, then the condition is TRUE.
For example, a “48.000” in the data field means that both alarm 1 and alarm 2 are active and everything else is FALSE.
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