16 – Point Vdc Source Discrete Input Module

The model 621-4550R 24 Vdc Source Input Module provides 16-point source discrete input capability.

The ‘R’ suffix indicates the module can be removed or inserted into an I/O rack while the rack remains powered. Other I/O modules in the rack continue to control the machine or process.

Specifications:

INPUTS 16

POINTS PER COMMON 16

TYPE OF INPUT Source

NOMINAL VOLTAGE 24 Vdc

VOLTAGE RANGE 20-28 Vdc

CURRENT RANGE 3-9 mA (6 mA at 24 Vdc typical)

SWITCHING LEVEL

Logic 1 0.5 Vdc

Logic 0 18 Vdc

MAX. LEAKAGE CURRENT

UNTIL INPUT TURNS ON 1.3 mA

INPUT DELAY

Off to On 2.4 ms ?20%

On to Off 17 ms ?20%

MODULE OPERATING

CURRENT+5 Vdc 54 mA maximum