17
Commands:
NAMUR Commands Function
IN_PV_2
Read the internal actual temperature
IN_PV_4
Read the pump actual speed
IN_SP_1
Read the internal setting temperature
IN_SP_4
Read the pump setting speed
OUT_SP_1 xxx
Set the internal setting temperature XXX
OUT_SP_12@n
Set the WD safety temperature with echo of the set (defined) value�
OUT_SP_4 xxx
Set the pump speed XXX
OUT_SP_42@n
Set the WD-safety speed with echo of the set (defined) value�
OUT_WD1@n
Start the watchdog mode 1 and set the time for the watchdog to n (20���1500) seconds�
Echo of the Watchdog time�
During a WD1-event, the tempering and pump functions are switched off�
This command needs to be send within the watchdog time�
OUT_WD2@n
Start the watchdog mode 2 and set the watchdog time to n (20���1500) seconds�
Echo of the watchdog time�
During a WD2-event, the set temperature is changed to the WD safety temperature and the
pump set speed is set to the WD safety speed�
This command needs to be send within the watchdog time�
RESET
Reset the PC control and stop the device functions�
START_1
Start the tempering function�
START_4
Start the pump function�
STOP_1
Stop the tempering function�
STOP_4
Stop the pump function�
Fig. 14
1
2 RxD
3 TxD
4
5 GND
6
7 RTS
8 CTS
9
1
RxD 2
TxD 3
4
GND 5
6
RTS 7
CTS 8
9
PC
1
2
3
4
5
6
7
8
9
9
8
7
6
5
4
3
2
1
Fig. 13
USB 2�0 cable (A–micro B):
This cable is required to connect USB port to a PC�
Connections between device and external devices:
PC 1�1 Cable:
This cable is required to connect RS 232 interface to a PC�
A
