Specifications

CHAPTER 6 CONNECTION OF REMOTE I/O UNIT
6.4 Outline of Digital Signal Input Circuit
77
Input conditions
The input signals must be used within the following condition ranges.
Sink type
Input voltage at external contact ON 6V or less
Input current at external contact ON 9mA or more
Input voltage at external contact OFF 20V or more
Input current at external contact OFF 2mA or less
Tolerable chattering time 3mSec or less (Refer to T1 below)
Input signal hold time 40mSec or more (Refer to T2 below)
Input circuit operation delay time
3mSec ≤ T3
=
.
.
T4 ≤ 20mSec
Machine side contact capacity 30V or more, 16mA or more
Sink type
Input voltage at external contact ON 6V or more
Input current at external contact ON 9mA or more
Input voltage at external contact OFF 20V or more
Input current at external contact OFF 2mA or less
Tolerable chattering time 3mSec or less (Refer to T1 below)
Input signal hold time 40mSec or more (Refer to T2 below)
Input circuit operation delay time
3mSec ≤ T3
=
.
.
T4 ≤ 20mSec
Machine side contact capacity 30V or more, 16mA or more
T2
T1
T1
T1
T1
T2
T4
T3 T4
T3