Chapter 6: Connectivity
Digital Input Specifications
Table 6-3. Digital Input Specifications
Parameter Value
Operational voltage range 0 to 30 VDC
OFF state voltage range 0 to 1.3 VDC
ON state voltage range 4 to 30 VDC
Operational current range 0 to 7.5 mA
OFF state current range 0 to 0.5 mA
ON state current range 1.0 to 7.5 mA
Impedance (V
in
/I
in
) 3.9 kΩ minimum
Current at V
in
= +24 VDC I
in
≤ 6 mA
NOTE: The input current specifications are provided for reference. Voltage
sources are typically used to drive the inputs.
Figure 6-3. Typical Digital Input Wiring Example
11970-000 Rev M LD-60/90 Platform User's Manual 83