Elcor ELGAS Daniel communication protocol

Supported device types and versions  
Communication line configuration
Communication station configuration
I/O tag configuration
Literature
Changes and modifications
Document revisions

Supported device types and versions

The Protocol supports communication with gas-volume conversion devices ELCOR-94 (produced by ELGAS company) directly or through the DATCOM concentrator (tested with DATCOM-K1).

Communication line configuration

• Communication line category: Serial, SerialOverUDP Device Redundant.

The asynchronous transfer parameters according to the specific device setting.

Communication station configuration

• Communication protocol: Elcor ELGAS Daniel.
• Station address: value from 0 to 255. If the address is 0, the device must reply obligatorily.

Station protocol parameters

A station configuration dialog - tab "Protocol parameters".
The protocols affected some of the protocol optional parameters. The following station protocol parameters can be entered:

Table No. 1

I/O tag configuration

Possible I/O tag types: Di, Ai, Ci, TxtI, Ao, Co.

The address of the I/O tag is entered in the form of text as follows:

        [S]Group[B][Type][.Offset][.Bit]

where:

         S - Static value - it is read with the timeout which is defined by value of station protocol parameter Static Data Read Timeout.
           Group - number of GROUP, only one obligatory direct parameter
                 B - BCD coded number
                    Type - value type: 'F'-Float[4], 'c'-Char[1], 'L'-Long[4], 'U'-Ulong[4], 'i'-Int[2], 'u'-Uint[2]
                          .Offset - position in packet, implicitly at the beginning (0)
                                  .Bit - bit number 1..8

The following special addresses can be entered as a text:

A typical addresses configuration of the ELCOR-94 device is shown in table No. 2:

Table No. 2

The protocol supports reading from the ELCOR-94 data archive. It is possible to obtain the hourly records of the following values:

• The current temperature (I/O with "OT" address),
• The current pressure (I/O with "OP" address),
• Operating volume (I/O with group "62" address),
• Standardized volume (I/O with "NO" address).

Tell command GETOLDVAL starts the data archive reading.

Literature

• ELCOR-94, Daniel - Protocol physical layer description 29.8.1996, ELGAS s.r.o.
• Reference manuals of producer ELGAS s.r.o. http://www.elgas.cz

Changes and modifications

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Document revisions

• Ver. 1.0 - November 8th, 2007 - Document creation.