Omron TJ1-DRT Hardware Reference Manual page 142

Hardware reference
Digital inputs
The following table and illustration details the digital input
specifications:
/i
Item Specification
Type PNP
Maximum voltage 24 VDC + 10%
Input current 8 mA at 24 VDC
on voltage 18.5 VDC min
off voltage 5.0 VDC max
Input response time (registration):
• without noise filter: 0.5μs maximum.
• with noise filter 3.5μs maximum.
Note
In the case of an incorrect registration due to slow edges
or noise, a digital noise filter can be enabled with the
REGIST command. Refer to the BASIC Commands in the
Programming Manual.
Note
A maximum of 4 inputs on is allowed simultaneously.
HARDWARE REFERENCE MANUAL
fig. 84
TJ 1-FL02
Reg A0 7
External power
supply 24V
0V I/O 17
0V common for Input circuits
142