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IKA LR 1000 basic Mode D'emploi page 24

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Commands:
NAMUR Commands
Function
IN_NAME
Input description name
IN_PV_X
Reading the real value
X=1;2;3;4;
IN_SOFTWARE
Input software ID number date, version
IN_SP_X
Reading the set rated value
X=1;2;3;4;6;
IN_TYPE
Input laboratory unit ID
OUT_NAME
Output description name. (Max. 10 characters, default: LR 1000)
OUT_SP_12@n
Setting the WD safety temperature with the echo of the set value
OUT_SP_42@n
Setting the WD safety speed with the echo of the set value
OUT_SP_X n
Setting the rated value to n
X=1;2;4;6
OUT_WD1@m
Watchdog mode 1: When a WD1 event occurs, the heating and Stirring functions are shut
down and message PC 1 is displayed. Set the watchdog time to m (20...1500) seconds, with
echo of the watchdog time. This instruction starts the watchdog function and must be sent
within the set watchdog time.
OUT_WD2@m
Watchdog mode 2: When a WD2 event occurs, the speed setpoint will be set to the WD safety
setpoint speed and the temperature setpoint will be set to the WD safety setpoint temperature.
The PC 2 warning is displayed. The WD2 event can be reset with OUT_WD2@0-resetting also
blocks the watchdog function. Set the watchdog time to m (20...1500) seconds, with echo of
the watchdog time. This command starts the watchdog function and must be sent within the
set watchdog time.
RESET
Switching off the instrument function.
START_X
Starting the instrument's (remote) function
X=1;2;4
STATUS
Display of status
1S: mode of operation A
2S: mode of operation B
3S: mode of operation C
S0: manual operation without fault
S1: Automatic operation Start (without fault)
S2: Automatic operation Start (without fault)
<0: error code: (-1)
- 1: error 1
- ... (see table)
-31: error 31
-83:wrong parity
-84: unknown instruction
-85:wrong instruction sequence
-86: invalid rated value
-87: not sufficient storage space
STOP_X
Switching off the instrument - (remote) function
X=1;2;4
Variables set with OUT_SP_X are maintained.
46
"Watchdog" function, monitoring the serial data
flow
The following applies to situations where the watchdog
function is enabled (see Namur instructions). If no new
transmissions of these commands from the PC take place
within the preset watchdog time, the heating and shak-
ing functions will be shutdown according to the watchdog
mode selected or will be controlled using the preset set-
points. An operating system crash, a PC power failure or a
fault in the connecting cable to the instrument can cause an
interruption in data transmission.
PC 1.1 Cable:
Required for connecting the RS 232 port to a PC.
1
6
2
7
3
8
4
9
5
1
RxD 2
TxD 3
4
GND 5
6
RTS 7
CTS 8
9
USB cable A - Micro B 2.0:
This cable is required to connect USB port (9, see Fig. 2) to a PC.
USB micro B
"Watchdog"– Mode 1
If an interruption in data transmission occurs which is lon-
ger than the preset watchdog time, the heating and shak-
ing functions will be shut down and the error message PC
1 will be displayed.
"Watchdog"– Mode 2
If an interruption in data transmission occurs which is lon-
ger than the preset watchdog time, the speed setpoint
value will be set to the WD safety speed setpoint and the
temperature setpoint will be set to the WD safety tempera-
ture setpoint. The PC 2 warning message will be displayed.
9
8
7
6
1
2 RxD
3 TxD
PC
4
5 GND
6
7 RTS
8 CTS
9
Fig. 19
USB A
Fig. 20
5
4
3
2
1
47

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Lr 1000 control