Scilogex MS7-H550-Pro - Manual (Page 13)

11
Digital 7” Square(Hotplate)Magnetic Stirrer
The unit can be controlled from an external PC (using the
dedicated software) via the RS232 C serial interface fitted to
the unit. Data communication from laboratory instrument to
computer is only possible on demand of the computer.
• The functions of the interface lines between laboratory
instrument and automation system are selected from
the specified signals of the EIA-standard RS232C,
corresponding with DIN66020 Part 1. The allotment of
the bushing can be taken from Figure 7.
• Transmission method: Asynchronous signal transmission
in start-stop-operation.
• Mode of transmission:Fully Duplex.1start bit; 7 character
bits; 1stop bit.
• Transmission speed: 9600 bit/s.
• Start remote control knob LED display “Remote”.
Note:
Forbid to insert or remove the RS232C
communication line when switch on!
10.Faults
• Instruments can not be power ON
- Check whether the power cable is plugged in
- Check whether the fuse is broken or loose
• Fault in power on self test
- Switch OFF the unit, then switch ON and reset the
instruments to factory default setting.
• Temperature can switched on not reach set point
- Check whether the safety temperature value is set too
low.
• Stir speed can not reach set point
- Check whether the stirring bar breakaway monitoring
is ON.
- Excessive medium viscosity may cause abnormal
speed reduction of the motor.
• Heating or stirring function do not start when knob is
pressed.
- Check whether the unit is in the mode setting program,
- Exit from the mode setting and restart the heating/
stirring functions.
• Unit do not power down when switched off.
- Check if the residual heat warning function is still ON
and hotplate temperature is above 50℃(the LCD still
works and“Hot”flashes).
If these faults are not resolved,please set the instruments
to factory default setting or take the unit to technical service
center.