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Installing the Roller Interface Module
Hardware prescaler SW1
19
• Edition 01/2
009
Hardware prescaler SW1
The Roller Interface Module can work with a pulse count of between 0.2 and
5 cm/imp. Higher resolution roller sensor signals can be adjusted by means of
a hardware prescaler.
ON
¼ ½ 1
SW1
OFF
ON
Fig. 7: Hardware prescaler SW1
Switch
Prescaler setting
1
Position
ON
: 1 x sensor signal (frequency)
Position
OFF
: no sensor pulses
2
Position
ON
: 1/2 x sensor signal (frequency)
Position
OFF
: no sensor pulses
3
Position
ON
: 1/4 x sensor signal (frequency)
Position
OFF
: no sensor pulses
4
Position
ON
: The split sensor signal will be forwarded to the CPU
(normal operation).
Position
OFF
: Firmware Update Mode
Only one
of the switches numbered 1 to 3 must be set to the
ON
position –
this will ensure correct measurement results.
In normal operation, switch 4 must
always
be in the
ON
position.
◄
Important