6ES7321-7BH01-0AB0

Product Overview

6ES7321-7BH01-0AB0 is Spare part SIMATIC S7-300, digital input SM 321, isolated, 16 DI.

Technical Specifications

• Isochronous mode: Yes

• Rated supply voltage (L+): 24 V DC

• Permissible voltage range: 20.4–28.8 V DC

• Reverse polarity protection: Yes

• Input current from L+ (no load): max. 90 mA

• Input current from backplane bus: max. 130 mA

• Encoder outputs: 2, L+ (-2.5 V), short-circuit protected

• Output current: 0–150 mA, rated 120 mA

• Power loss (typical): 4 W

• Number of digital inputs: 16

• Isolation tested: 500 V DC

• Connection: 20-pin front connector

• Dimensions (W×H×D): 40 × 125 × 120 mm