Cpc Window; Ak Host Operation; Ak Software Integration; Ak Interfaces Specifications - TESTO CU-2 User Manual

The testo NanoMet control panel will be deactivated and its background color will change from
black to grey, if software control is disabled i.e. the system runs in manual or AK host control
mode. It gets active when software control is enabled.
6.6.2.

CPC Window

If a 3010 or 37xx condensation particle counter CPC from TSI or GRIMM 5.431 is used as
particle number counter PNC, the actually measured value of this sensor is displayed in the CPC
window shown in Fig. 6.11 as well as the CPC status and a short description of automatically
detected CPC errors.
Fig. 6.11: CPC status window
7

AK Host Operation

7.1.

AK Software Integration

The testo NanoMet operation modes are described in chapter 5.3 and 5.4 and illustrated in Fig.
5.5. An AK host computer can simply take control over the system by sending the 'SREM'
command after the software start up if testo NanoMet software control has not been activated
before.
The testo NanoMet software is started and therewith the system including AK module is ready
appr. 100 seconds after the testo CU-2 is switched on.
7.2.

AK Interfaces Specifications

7.2.1.

Serial Interface

The RS232 V24 9-pin male connector at the back of the unit is used to connect a master
computer with the following pin assignment:
Pin 3 = Txd (transmit)
Pin 2 = Rxd (receive)
Pin 5 = Gnd (ground)
All serial parameters fo the AK communication can be configured in the testo NanoMet software:
parameter
baud rate
start bit
data bits
stop bits
parity
handshake
selectable values
1200, 2400, 4800, 9600, 19'200, 38'400
1
7 or 8
1 or 2
even, odd, none
Xon/Xoff
7 AK Host Operation
default settings
9600
1
8
1
none
Xon/Xoff
25