Specifications

RailCorp Engineering Manual — Signals — Equipment Manual
Cerberus Level Crossing Monitor Field Equipment Manual TMG E1261
© RailCorp Page 63 of 89
Issued August 2012 UNCONTROLLED WHEN PRINTED Version 2.1
One week after commissioning a copy of the log from the monitor. Examine the log to
confirm that it contains an accurate record of the events on the crossing during the
commissioning period with no anomalies or spurious events. Unexplained event or
problems must be investigated and corrected.
6 Data Configuration
6.1 Configuration Data Description
6.1.1 Scope of data
Configurable items that need to be defined are:
• Name and date of the permanent configuration data.
• For each digital input, its name.
• For each digital output, and intermediate state, their name and controlling Boolean
expression.
• For each Timer its name, controlling Boolean expression, and duration in hours,
minutes, and seconds.
• For the battery analogue input, its name, fail voltage, and bus voltage correction.
• For each lamp analogue input, its name, analogue channel number, number of
lamps expected on flasher up, number of lamps expected on flasher down, flasher
input, and a intermediate state that identifies when the lamps should be on.
• For the battery test current analogue input, its name, analogue channel number, on
current in amperes, off current in amperes.
• Crossing Identification number
• Input/Output configuration. Note that this is not normally changed.
6.1.2 Permanent Configuration data syntax
The configuration data is detailed in three separate text files which have a common file
name and one of the following extensions.
The I/O listing file has the extension ".io". The Configuration file has the extension ".cfg".
The expression file has the extension ".exp".
6.1.2.1 Comments
Anything following a ";" character on a line of text is treated as a comment and is ignored.
Note that a line of text is terminated by a return.
6.1.2.2 Variable names
Valid characters for variable names are:
• upper and lower case letters,
• numbers,
• and the following characters ( ) . _ - / *
• Variable names can not include white space characters like tabs and spaces. If a
space is desired in a name then it is recommended to use the underscore
character "_" instead.
Variable names can be up to 20 characters long and are case sensitive.