IMO Precision Controls K7 Series, User Manual

Page: 55 / 235

Chapter 6 Input and Output Modules
6- ２
6.2 Digital Input Specification
6.2.1 Base unit
1) Specification
Base unit Model
Specification K7M-DR20S K7M-DR30S K7M-DR40S K7M-DR60S
Number of input points 12 points 18 points 24 points 36 points
Insulation method Photo coupler
Rated input voltage DC24V
Rated input current 7 mA
Operating voltage range DC20.4 ~ 28.8V (ripple: less than 5%)
Max. simultaneous input points 100% simultaneously On
On voltage / On current DC15V or higher/ 4.3 mA or higher
Off voltage / Off current DC5V or lower / 1.5 mA or lower
Input impedance Approx. 3.3 k
Ω
(I00~I02: approx. 1.5 k
Ω
)
Off
→
On 15ms or less * ሀ
Response time
On
→
Off 15ms or less * ሀ
Common terminal 12 points / COM 18 points / COM 12 points / COM 18 points / COM
Operating indicator LED turns on at ON state of input
*
ሀ
:
It is possible to select from 1ms to 15ms by 1ms at KGLWIN.
2) Circuit diagram
Input no. P000 ~ P002
Input no. P003 ~P03F
R
R
Internal
circuit
COM
R
R
Internal
circuit
COM
C