beautypg.com

7 stirrer, 16 communication – Metrohm 900 Touch Control Manual User Manual

Page 478

background image

29.16 Communication

■■■■■■■■■■■■■■■■■■■■■■

462

■■■■■■■■

900 Touch Control

29.15.5.7

Stirrer

The parameters for the stirrer are edited under [Stirrer].

Stirrer

Selection of the MSB connector the stirrer is connected to. Every MSB
connector will always be displayed.

Selection

1 | 2 | 3 | 4 | off

Default value

1

off
No stirrer will be used.

Stirring rate

Setting the stirring rate. It can be set in steps of –15 to +15. The default
setting 8 corresponds to 1000 rpm. The formula for calculating the rota-
tional speed is specified in chapter 32.3, page 489. The optimum stirring
rate can be tested in the manual control.

The algebraic sign of the stirring rate changes the direction in which the
stirring is done. When the stirrer is viewed from above, this means:

"+": counterclockwise rotation

"–": clockwise rotation

Input range

–15 - 15

Default value

8

Switch off automatically

on | off (Default value: on)

If this parameter is activated, the stirrer will be switched off automatically
at the end of the titration, measurement, etc.

29.16 Communication

The following communications commands are available:

Scanning remote
lines (SCAN)

Defining remote signals which are awaited
before the next method command is started.

Setting remote
lines (CTRL)

Defining remote signals.

Receiving RS-232
commands (SCAN
RS)

Defining RS-232 commands which are awaited
before the next method command is started.