Viessmann Vitoflex 300-RF Technical Data Manual page 32

Electrical
Ecocontrol Accessories
External Request ON/OFF
Input for switching the system on and off automatically
by an external potential-free N.O. contact.
Operational Message
Function:
System status "Operating Load" indication; from operation
of the boiler pump to higher-level control.
Supplied with:
- Floating output (operational message)
Output signals 0 - 10V
Function:
The system includes output of the boiler in the form of
a voltage signal and preparation for connection to receive
a maximum limitation of the boiler output.
Supplied with:
- Output of the boiler, 0 - 10V
- Reception and processing of an external output
limitation
0.1 - 3V..... Standby
3.1 - 10V... 30% to 100% output operation
Note: Installation of "Output signals 0 - 10 V" is possible
according to "QM for Wood Heating Systems"
irrespective of any additional control system
components to be used.
Note: Buffer tank management 5 sensors not possible.
Note: The boiler can only be shut down externally via
"external demand ON/OFF" (optional).
32
(continued)
Note: The control system components below are reserved
Export System for Operational Data
Function:
Output of all relevant operational data and error reports for
the Vitoflex 300-RF Boiler Plant via MOD-BUS in the form of
an ASCII-data record via serial interface to higher-level control
equipment of the customer's. All the adjustable parameters
can be changed via the higher-level control equipment as long
as the control equipment provides for this.
Supplied with:
- Interface on the control panel
- Software component
- MOD-BUS protocol (baud rate 9600)
Visualization by web server
Function:
A complete package for transmitting all data to a remote
computer for visualization, remote maintenance and
archiving of operational data for the Vitoflex 300-RF
Boiler Plant. The hardware and software are integrated
in the Vitocontrol control system. All the adjustable
parameters can be changed from the remote computer.
Customer supplied:
- IP address configuration
Vitoflex 300-RF Technical Data
for the Vitoflex 300-RF Single-unit System. With
the Vitoflex 300-RF Double-unit System, these
functions are included in the Vitoflex 300-RF
Mastercontrol.