Digital input modules for the 300 series
General information
Order number700-321-1BL00
Dimensions (DxWxH)116 x 40 x 125 mm
WeightApprox. 250g
Number of inputs32
Power dissipation (nominal operation)typ. 6.8 W
Front connectors40-pin
Electrical isolation
from the backplane busYes (optocoupler)
in groups to16
Input voltage
For signal "0”-3 … +5 V
For signal "1”+13 … +30 V
Rated value24 V DC
Input current for signal “1”typ. 7 mA
Delay timetyp. 1.2 … 4.8 ms
Can accommodate 2-wire initiatorYes
Permitted bias current for signal "0”Max. 1.5 mA
Cable length
Unshieldedmax. 600 m
Shieldedmax. 1000 m
Current draw
Internal (backplane bus)typ. 30 mA
External (from +24 V/L+)Max. 290 mA
Ambient conditions
Ambient temperature0 °C … +60 °C
Transport and storage temperature-25 °C … +75 °C
Pollution degree2
Protection ratingIP20
ApprovalsCE