905U-G Wireless Gateway
User Manual
Page 165
©September 2004
Parameter
Description
Area
Source Fieldbus Interface Area. Possible values are ‘IN’ or ‘OUT’
Offset
Source offset in Fieldbus Area, shall be written in decimal or hexadecimal.
Type
Source data type. Possible values are ‘byte’, ‘word’, and ‘long’
Match Value
Value to compare with the source data. Shall be written in decimal or
hexadecimal.
Mask
The module performs a logical ‘and’ on the source data and this Mask before
the value is compared with the Match Value. The value shall be written in
decimal or hexadecimal.
Match
Operand
Specifies how the data shall be compared with the Match Value. Possible
values: ‘<‘, ‘=’, ‘>’
Recipient(s)
Destination email addresses, semicolon separated
Sender
Sender email address
Subject line
Email subject (One line only)
Extra Headers
Optional. May be useful for advanced users when for example sending HTML
emails etc.
Message Body
The actual email message.
The data is read in the Fieldbus Interface from the area and offset specified by the
parameters Area, and Offset. The data size to read is specified by the Type parameter.
The module performs a logical ‘AND’ between the read data and the parameter Mask.
The result is compared with the parameter Match Value. How the data shall be
compared is specified by the Match Operand.
Example:
[Register]
IN, 0x0003, byte
[Register match]
0x20, 0x7F, >
[To]
support@elprotech.com
[From]
ELPRO@elprotech.com
[Subject]
Status
[Message]
All data correct.
In the above example:
•
A byte is read from the Fieldbus IN area, at byte address 0003h
•
The module performs a logical <data> AND 7Fh.
•
If the result is larger than 20h, the email message is sent to
support@elprotech.com