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ADLINK ACL-8454/12 User Manual

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18

Installation & Configurations

(3) Use cascaded clock source from the last channel.

CLOCK1
CLOCK2

EXTERNAL

LAST CHANNEL

CLK n

CK n

I

IV

III

II

I:

II:

III:
IV:

(4) Use external clock source ECLK n.

CLOCK1
CLOCK2

EXTERNAL

LAST CHANNEL

CLK n

CK n

I

IV

III

II

I:

II:

III:
IV:

The Table 2.4 shows the reference number of the clock source jumpers and
its corresponding counter/timer channels number. The default setting of
every jumper is also shown. The clock sources of CLK1~4 come from
internal source ‘CLOCK1’ and the clock sources of CLK7~10 come from
external sources.

Clock source of
counter/timer

Reference number
of jumper

Default clock source

CLK1

CK1

CLOCK1

CLK2

CK2

CLOCK1

CLK3

CK3

CLOCK1

CLK4

CK4

CLOCK1

CLK7

CK7

ECLK7

CLK8

CK8

ECLK8

CLK9

CK9

ECLK9

CLK10

CK10

ECLK10

Table 2.4 Reference Numbers of Clock Setting Jumpers