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８．Setting of input response frequency and input signal
The input response frequency, NPN open collector pulse input and voltage pulse input
is selected by setting the dip switch.
The dip switch is located on the rear of the unit in the square indent.
1 2 3 4 〔Ex.〕The dip switch setting for the HI type
（input response frequency：10kHz or lower）
and the open collector pulse input type unit is
shown in the diagram in the left.
The black square indicates switch position.
ＯＦＦ
Input A 1 2 3 4
Input response frequency 10 kHz or lower（HI）： － － － off
Input response frequency 50 Hz or lower（LOW）： － － － on
Voltage pulse input： － off － －
NPN open collector pulse input： － on － －
Input B 1 2 3 4
Input response frequency 10 kHz or lower（HI）： － － off －
Input response frequency 50 Hz or lower（LOW）： － － on －
Voltage pulse input： off － － －
NPN open collector pulse input： on － － －
on
⇔
off
Summary of Contents for SP-490 Series
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