Allen Bradley 1756-OF8I Isolated Analog Output Module

FAQ

Q1: What is the main function of the 1756-OF8I module?
The module provides 8 isolated analog output channels for voltage and current control signals in ControlLogix systems.

Q2: What output ranges are supported?
It supports ±10V, 0–10V, 0–5V, and 0–20 mA analog output ranges.

Q3: What does the “I” in 1756-OF8I indicate?
The “I” designates isolated channels, meaning each output is electrically isolated to reduce grounding and noise issues.

Q4: Does the module support both current and voltage outputs simultaneously?
Yes. Each of the 8 isolated channels can be individually configured for voltage or current mode.

Q5: Which removable terminal blocks are compatible?
Compatible RTBs include 1756-TBCH and 1756-TBS6H.

Q6: What diagnostic features are included?
The module supports open-circuit detection, short-circuit detection, module health diagnostics, and communication status monitoring.

Q7: What are the physical dimensions of the module?
The dimensions are approximately 145 mm (H) × 35 mm (W) × 140 mm (D).

Q8: Is the 1756-OF8I still available?
Yes. Rockwell Automation currently lists the 1756-OF8I as an active product.

1756-OF8I Allen Bradley

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