Thermo Fisher Scientific ThermoChill Serie Bedienungsanleitung Seite 115

Thermo Scientific
RS-232 NC Serial
Appendix B
Communications Protocol
A female 9-pin D-connector, J1, is located on the rear of the chiller. The
connector is used for RS-232 serial communication.
Never apply line voltage to the J1 connection.
When the chiller is configured for serial communication the
is illuminated. If the chiller is shut off while still configured for serial
communication, the temperature display will go blank, but the
still be illuminated.
When the chiller is configured for serial communication it can be stopped
using the keypad. To restart, send another start command.
If the chiller is running and serial communications is enabled (
and you need to operate the chiller using the keypad – the procedure is to
press and hold for approximately two seconds until the low temperature
alarm icon illuminates. Press
the down arrow, , and then press
The LED will extinguish and the chiller can now be operated from the
keypad.
Note If serial communications is enabled, and the chiller is not running,
ensure the circuit protector is on and then simultaneously depress and hold
both the up and down arrow keys for approximately 10 seconds. The display
will show the temperature and the alarm, if enabled, will sound. Then use the
above procedure.

The pin out information is:
Pin
RS-232 COMM
1 No connection
2 TX
3 RX
4 No connection
5 GND = Signal ground
6 - 9 No connection
TX = Transmitted data from controller
RX = Received data to controller.
Hardware Mating Connector AMP Part# 745492-2 or equivalent

, to scroll to the
again to turn communications off.
LED
LED will
LED on),
LED, press
ThermoChill B-1