Product Overview
AO801 from Oiltech Controls is an 8-channel unipolar analog output module for 0…20 mA and 4…20 mA signals. It performs cyclic self-diagnostics and sets outputs to a safe state upon error detection. The module is short-circuit proof to ZP or +24 V, with detachable connectors for process and power wiring.
Key Features & Benefits
- 8 channels – 0…20 mA or 4…20 mA, unipolar single-ended
- OSP – sets outputs to a predefined safe state on fault
- Short-circuit secured to ZP or +24 V
- Detachable connectors for fast wiring and maintenance
- Groupwise isolated from ground for noise immunity
- 12-bit resolution with 0.1 % accuracy
- Rise time 10 µs, update cycle 1 ms
Technical Specifications
| Brand | Oiltech Controls |
| Model | AO801 |
| Article Number | 3BSE020514R1 |
| Type | Analog Output Module |
| Channels | 8 unipolar single-ended |
| Signal Range | 0…20 mA / 4…20 mA (under/over +15 %) |
| Resolution | 12 bit |
| Accuracy | 0.1 % |
| Temperature Drift | Typ 30 ppm/°C, Max 50 ppm/°C |
| Output Load | Max 850 Ω |
| Rise Time | 10 µs |
| Update Cycle | 1 ms |
| Current Limiting | Short-circuit proof, current limited |
| Max Field Cable Length | 600 m (656 yd) |
| Isolation | Groupwise isolated from ground |
| Rated Insulation Voltage | 50 V |
| Dielectric Test Voltage | 500 V a.c. |
| Power Dissipation | 3.8 W |
| Current Consumption (+5 V) | 70 mA (Modulebus) |
| Current Consumption (+24 V ext) | 200 mA |
| Wire Size (Solid) | 0.05 – 2.5 mm² (30–12 AWG) |
| Wire Size (Stranded) | 0.05 – 1.5 mm² (30–12 AWG) |
| Torque | 0.5 – 0.6 Nm |
| Stripping Length | 6 – 7.5 mm (0.24 – 0.30 in) |
Environmental & Certification
- Operating Temperature – 0 to +55 °C (+32 to +131 °F)
- Storage Temperature – -40 to +70 °C (-40 to +158 °F)
- Humidity – 5 to 95 % non-condensing
- Protection Class – IP20 (IEC 60529)
- Pollution Degree – 2 (IEC 60664-1)
- Corrosion Protection – ISA-S71.04 G3
- EMC – EN 61000-6-4 & EN 61000-6-2
- Electrical Safety – EN 61010-1, UL 61010-1, EN 61010-2-201
- Hazardous Location – C1 Div 2 cULus, C1 Zone 2 ATEX
- Marine – ABS, BV, DNV, LR
- RoHS – DIRECTIVE/2011/65/EU
- WEEE – DIRECTIVE/2012/19/EU
Diagnostics & Status Indication
- Front LEDs – Status (run/fault)
- Module Error – global fault
- Module Warning – non-critical condition
- Channel Error – per-channel fault indication
- Cyclic self-diagnostic ensures high availability
Installation & Maintenance
- Mounting – S800L mechanics, vertical or horizontal
- Connections – detachable spring-clamp terminals
- Wiring – solid or stranded, 0.05–2.5 mm²
- Torque – 0.5–0.6 Nm (recommended)
- Strip length – 6–7.5 mm
- Maintenance – no routine calibration needed
Compatibility & Redundancy
- Redundancy – not supported (single module)
- HART – not available
- SOE – not supported
- High Integrity – no
- Intrinsic Safety – no
- Works with all major PLC/DCS systems (4–20 mA loop)
Typical Applications
- Process control valves positioning
- Actuator control in oil & gas
- Pump speed regulation
- Heater power control
- General analog signal generation for industrial automation
FAQ – Quick Answers
- Can I connect a 24 V supply? Yes, external 24 V required (200 mA).
- Is the output isolated? Groupwise isolated from ground.
- What if a channel shorts? Current-limited and short-circuit proof.
- Max cable length? 600 meters (656 yards).
- How to reset a fault? Cycle power or use OSP reset via system.
Why Buy From Oiltech Controls?
- Over 15 years in industrial automation spares
- Global shipment – FedEx, UPS, DHL
- Tested surplus / refurbished – reliable and cost-effective
- 12-month warranty on all products
- Technical verification before shipment ensures proper operation
- Obsolete system support – we keep your legacy systems running
Contact: info@oiltechcontrols.com | +86 158 8020 0923 (WhatsApp)
Shipping: FedEx, UPS, DHL – worldwide express delivery.
Package includes: AO801 module, detachable connectors, quick-start guide (digital).
Warranty: 12 months from date of shipment. Covers manufacturing defects and performance.
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/










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