VACC-SAFE CO
2
Incubator
23
7. Safety Switch
It is the safety device to prevent the heater from overheating, when the temperature controller is
malfunctioning. Set the Safety S/W higher than setting point.
The Safety S/W has wide deviation.
Safety S/W is the safety device for preventing the heater to overheat when
TEMPCONTROL is malfunctioning.
8. Interface of RS-232/RS-485
Communication with a PC or a superordinated data system allows the device’s operating status to be
viewed on the screen. The instrument can be connected to a PC through 9-pin port (DB-9), it can be
plug directly to the PC’s available USB connection. The RS-232 and RS-485 interface ports are available
at the same time which provide a connection for the device to a personal computer or terminal.
Pin allocation
Pin
RS-232
：
2:Tx
3:Rx
5:GND
RS-485
：
8:A
9:B
10:GND
