Heidolph MR Hei-End - Manual (Page 40)

38
E
MR Hei-End connection PC (COMx) connection
SUB-HDD 15 plug SUB-HDD 9 socket
e.g. McMurdo HDE15PTD e.g. McMurdo SDE9ST
1 TXD 2 RXD
2 RXD 3 TXD
5 GND 5 GND
Accessory article number: 14-007-045-17-0 RS232- St15/Bu9 interface cable
“*REMOTE*” flashes in the display when the interface is active.
Caution!
Use only the conductors shown here to ensure the correct function of
the interface.
12.1.1 Interface parameters
9600 baud; parity: 1 even, 7 bits, 1 stop bit
12.1.2 RS232 interface commands
Command string Description Output
Read commands
IN_PV_1 Query actual temperature, medium
temperature in °C
IN_PV_2 Query actual temperature, medium safety
sensor in °C
IN_PV_3 Query actual temperature, hotplate
temperature in °C
IN_PV_4 Query actual temperature, hotplate safety
sensor in °C
IN_PV_5 Query actual motor speed in rpm
IN_SP_1 Query set temperature, medium/hotplate in
°C
IN_SP_2 Query se
t safety temperature “deltaT” in °C
IN_SP_3 Query set motor speed in rpm
IN_MODE_2 Behaviour after power cut