Hach-Lange SC 200 Profibus network card User Manual - Manual (Page 9)

Option Description
Simulation Simulation— Simulates two floating point values and error/
status to substitute a real instrument. Select the following
options and use the arrows to enter the values or use the default
setting:
• Simulation: Turns the simulation on or off.
Yes: Starts a simulation
No: Stops a simulation (Default setting)
• Period: Sets the time the first floating point value needs to
run through the whole range between MINIMUM and
MAXIMUM—2 min (Default setting)
• Maximum: Sets the upper limit for the first floating point
value.—20.0 (Default setting)
• Minimum: Sets the lower limit for the first floating point value
—10.0 (Default setting)
• Error: The value entered in this menu will be set in the first
simulated tag—16 (Default setting)
• Status: The value entered in this menu will be set in the
second simulated tag—5 (Default setting)
• Toggle: Changes the direction of the simulated ramp.
• Test/maint:
Enabled: Sets the TEST/MAINT bit (0x0004) of every status
register of every configured slave in the cyclic Profibus
telegram to indicate the “Service” mode.
Disabled: Normal operation mode (Default setting)
Version Software version of the Profibus network card.
Option Description
Location Edits the location name.
Status Status— Indicates the Profibus network card status
• Please wait: is shown until the network card has found all
configured slaves or is displayed when the card is new
configured and is searching for sensor connections
• PLC configure err: is shown when the network card has
received a wrong configuration of a PLC (Programmable
logic controller). Check the GSD file.
• Ready: is shown when the network card is ready to send data
to the Profibus. Check the address and/or the wiring.
• Online: is shown when the network card is in contact with
PLC and cyclic Data is sent
Device order
The device order in the Profibus telegram is fixed. The first and the second
installed sensors are always on position one and two and the controller is
on position three.
When no sensor is installed, the controller will stay in position three. The
position for the uninstalled sensors will be filled with 0xFF.
If two sensors are connected (maximum allowable) and scanned at the
same time, the installation order will be based on the location where the
sensor (or sensor module) is connected. The order is as follows:
• The top analog card connector.
• The bottom analog card connector.
• The left digital sensor connector.
• The right digital sensor connector.
Standard data structure (Auto configuration)
When the auto configuration (default) is selected, the Profibus network
card supplies a pre-defined data telegram for each connected device. The
telegram contains important data about the device.
The data block structure of the Profibus messages is standardized for all
types of probes. For the data block structure, refer to
Profibus data
telegram register .
English 9