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Part Nr: 1791-OB16 Block I/O Remote I/O Module

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Item Specification
Part Number 1791-OB16
Brand & Series Allen‑Bradley / Rockwell Automation Bulletin 1791 Block I/O Remote I/O Module
Module Type 16-point DC Sourcing Digital Output Block
Communication Interface Remote I/O (RIO) link for PLC‑5, SLC 500 controllers
Number of Outputs 16 discrete outputs, arranged in two groups of 8
Output Type Sourcing (PNP) DC output
Rated Output Voltage 10…30 VDC (nominal 24 VDC)
Per-point Continuous Current 0.5 A maximum per channel
Surge Current Capacity 3 A for 10 ms maximum per output
Minimum Load Current 15 mA per output
Maximum On-state Voltage Drop 1.5 V @25 °C
Off-state Leakage Current ≤0.5 mA per point
Signal Delay Turn-on ≤0.5 ms; Turn-off ≤1.0 ms
Isolation I/O circuit isolated from RIO communication circuit
Mounting DIN rail or panel mounting
Operating Temperature 0 °C ~ +55 °C
Storage Temperature -40 °C ~ +85 °C
Relative Humidity 5–95 % RH, non‑condensing
Dimensions (H × W × D) 176.5 × 68.8 × 98 mm
Approximate Weight 1.0 kg
Product Status Discontinued legacy remote block I/O

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1791-OB16 Block I/O Remote I/O Module

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1791-OB16 Block I/O Remote I/O Module

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