Front Panel - ABB TZA 4 Mode D'emploi

Fig. 8 Expansion module
4.1 Ribbon cable with connector
Fig.

9 Front panel

3.1 Operator status indicator
Green LED^ = Pilot light (power supply)
Yellow LED = Status indicator (software)
Red LED = Fault signalling (hardware)
3.2 Reset button (RES)
3.3 Interface connector
10 TZA 4, Digital computer / Calculateur de mesure numérique
4.2.3 Expansion module
The expansion module (4) is secured with 4 screws onto the
motherboard. Electrical connection to the motherboard is esta-
blished by means of a ribbon cable with connector (4.1
A separate blade connector of design D or F is used to establish
the connection to the appropriate inputs and outputs.
4.2.4 Front panel
On the front panel (3) are located the LED indicators for the
operating status (3.1), the reset button (3.2) a swell as the
connector which is covered by a flap, for the serial interface
(3.3).
42/-18-40 XL