Hyundai HI4 - Manual (Page 415)

12. Signal connection (3) BD481 circuit
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12 - 6
Connect Discrete/Binary input signal as followings.
※ It is a binary input in case that this signal is open.
4) Program Strobe Signal
It decides to confirm program selection signal.
It acquire the signal in a stable timing between the input signals to decide the timing
being read for the program selection for external.
(1) Binary program selection in case that program strobe signal is not used.
※ Turn it on always.
+24V
(External power)
signal
PI 1
PI 8
pin no
connector
CNIN2
(31)
+24V GND
(Exteranl power)
contact
contact
COMIN
(38)
8
+24V
(External power)
signal
binary/
discrete
pin no
connector
CNIN2
(27)
+24V GND
(External power)
cont
act
COMIN
7
+24V
(External power)
signal
program
strobe
pin no
connector
CNIN2
(28)
+24V GND
(External power)
cont
cat
COMIN
7
(User setting)
(User setting)