User manual

LT Series User Manual 2–11
Chapter 2 – Specifications
Rated Voltage
DC 24V
Maximum Allowable Voltage
DC 26.4V
Input Method
Source/Sink Input
Rated Current
5 mA (24V)
Input Resistance
4.7 k
Ω
Operation Range
ON Voltage: 21V or more
OFF Voltage: 7V or less
Input Delay Time
OFF to ON: 10 ms or less
ON to OFF: 10 ms or less
Common Lines
1
Common Lines Allocation
16 points/1 common line
External Connection
40-pin connector (used with Output section)
Input Points
16
Input Signal Display
LED lights when each point turns ON (logical side)
Status Display
None
Isolation Method
Photocoupler Isolation
External Power Supply
For Signal: DC 24V
♦ Input Specifications (Type A1)
B2
A20
A5
- +
A1
+24V
OUT
COM
OUT
A2
3.5 A
Quick
Break Fuse
DC 24V
External
Power Supply
♦ Output Circuit (Type A1)
Internal Circuit
Internal Circuit