2.CONNECTION
12
2-6. Connecting Hold and Digital Zero Signals
・
Equivalent circuit
(
input
)
Vcc
←
Inside
Ic=Approx.8mA
COM
Push
switch
Toggle relay
switch
Relay
Contact
Transistor
+12V
IN
IN
TTL open
7
8
Outside
→
F340A
collect output
[ Hold input ]
Ic=Approx.8mA
COM
Push
switch
9
8
[ DZ input ]
Connect 9 and 8.
(ON when IN is ’H)
CAUTION
・
Avoid applying external voltages to the signal
・
Use external elements which withstands Ic=10mA
・
Leakage current from external element must be 30
μ
A or below
Summary of Contents for F340A
Page 1: ...F340A DIGITAL INDICATOR 14 Feb 2012 Rev 1 38 OPERATION MANUAL...
Page 9: ...CONTENTS 15 7 General Specifications 90 15 8 Accessories 91 16 CONFORMITY TO EC DIRECTIVES 92...
Page 92: ...13 SELF CHECK FUNCTION AND INITIALIZATION 83 Self check Visual Check Sequence...
Page 94: ...13 SELF CHECK FUNCTION AND INITIALIZATION 85 Initialization Sequence...