Owner's manual

VO page 8
4.1 Standard equipment of VO ovens (basic variation)
Electronic fuzzy-supported PID process controller with permanent power matching and time-saving
auto-diagnostic system for rapid fault finding (see section: “Error messages”)
• Language selection
Alphanumeric text display
Internal log memory with 1024 kB for storing actual temperature, temperature setpoint, vacuum and
error states with time stamp
Control of oven and logging of actual temperature values on MEMoryCard XL
Programme sequence control for up to 40 ramp segments
Vacuum pressure control for digital operation of the built-in solenoid valves
Programmable inlet valves for fresh air and inert gas
Integrated weekly programmer with group function (e.g. all workdays)
Recessing push/turn control for simple operation of the oven
Visual alarm indication
Built-in sounder as alarm if limit values are crossed, as acoustic signal at programme end and to
acknowledge input (key click)
Digital monitor controller for overtemperature, undertemperature and automatic setpoint-following
monitor (ASF)
Mechanical temperature limiter (TB protection class 1)
Monitor relay to switch off heating in case of fault
Each thermoshelf has a separate Pt100 DIN class A temperature sensor for temperature measurement
and can be removed individually
Convenient integral 3-point temperature and vacuum calibration
Temperature-dependent control unit ventilation
USB interface for computer-based temperature control programmes and to read out the controller’s
internal log memory
MEMMERT software “Celsius” for remote operation of the oven via computer and for reading the
controller’s internal log memory
A pre-formatted blank MEMoryCard XL with 32 kByte storage capacity, reprogrammable for up to 40
ramp segments and additionally 270 hours log memory with a scanning interval of one minute
Optionally available additional fittings:
24 volt control output for purging and switching off external vacuum pump
Number of flange sockets (inserts) for thermoshelves: 3 instead of 2 (VO 200) or 4 instead of 2
(VO 400-500)
Number of thermoshelves: 2 instead of 1 (VO 400-500)
Connection of inert gas switchover via solenoid valve
Interface for control of optional pump module
• Drip tray
USB printer port
• Base
• Pump module
• USB cable
External card reader for MEMoryCard XL for connection to USB interface
Printer cable (parallel, shielded) 25-pin.
Descriptions in this manual referring to these optional additional fittings are only relevant for ovens of the
corresponding version.