Product Core Brief
- Model: SA168 3BSE003389R1
- Brand: ABB
- Series: AC 800M / S800 I/O analog output module
- Core Function: Provides four isolated analog output channels for process control signals from an ABB AC 800M controller.
- Product Type: 4-Channel Analog Output Module
- Key Specs: 4 analog outputs | typical 0/4–20 mA or 0–10 V class signals | S800 I/O platform
- Condition: New Original / New Surplus (verify per lot)
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product ID | |
| Order Code | 3BSE003389R1 |
| Product Type | Analog Output Module |
| Platform | ABB S800 I/O for AC 800M |
| Channels | 4 analog outputs |
| Typical Signal Range | 0/4–20 mA or 0–10 V class (confirm per nameplate) |
| Channel Isolation | Channel-to-channel / field isolation typical for S800 AO modules |
| Mounting | DIN-rail / S800 I/O segment |
| Wiring | Removable terminal block |
| Documentation | ABB S800 I/O / AC 800M hardware manuals |
| Availability | Surplus / OEM replacement stock |
Note: Exact output range, resolution, load limits, and isolation rating should be confirmed against the module nameplate and the current ABB S800 I/O hardware manual before substitution.
Product Introduction (No Fluff)
The SA168 3BSE003389R1 is an ABB analog output module used in AC 800M distributed control systems. It converts controller output values into field-standard analog signals, typically for control valves, VFD speed references, positioners, and process actuators.
Its main advantage is straightforward replacement within an existing S800 I/O segment. When the original unit fails or drifts, a verified OEM replacement can restore loop output without rewiring the entire segment. Always match the order code, firmware/hardware revision, and signal configuration before commissioning.
QA & Testing SOP (Dynamic & Transparent)
For surplus analog output modules, don’t just trust the label. Run a bench check before it touches the rack.
- Visual & counterfeit check: Inspect the housing, connector pins, terminal block, and nameplate. Verify the order code reads 3BSE003389R1 and the label matches ABB formatting. Reject units with cracked terminals, corrosion, or mismatched labels.
- ESD-safe handling: Store and test in an ESD bag and grounded workspace. Analog output circuitry is sensitive to static and transient voltage.
- Bench power-up: Install the module on a known-good S800 I/O segment or OEM test rack. Power up and confirm normal LED/status indicators per the ABB hardware manual.
- Channel injection test: Force output values from the controller or test software. Measure each channel with a calibrated Fluke multimeter or mA loop calibrator. Check 0%, 50%, and 100% points.
- Load and stability check: Verify output stability under typical loop load. Watch for drift, noise, or channel-to-channel interference. Log results before shipping.
Installation Pitfalls & Guide (Engineer to Engineer)
❗ Confirm the signal type first. Some AO modules are current-output, voltage-output, or configurable. Putting a voltage-configured module into a 4–20 mA loop will not work correctly.
❗ Check the order code suffix. 3BSE003389R1 must match exactly. A different R-number can change channel behavior, isolation, or firmware support.
❗ Don’t ignore loop wiring polarity. Reversed polarity on current loops can cause zero output, erratic readings, or valve hunting.
❗ Verify power and segment health. A failing S800 power unit, bad baseplate contact, or noisy ground can make a good AO module look faulty.
Replacement steps:
- Pre-install: Back up controller configuration, confirm loop tags, and verify the replacement order code.
- Removal: De-energize the I/O segment if required, label wires, remove the terminal block, and extract the module.
- Install: Seat the new module firmly, reconnect the terminal block, and verify wiring polarity.
- Power-on test: Restore power, download/verify configuration, force each output, and measure at the field terminals.
Technical FAQ
1. Is SA168 3BSE003389R1 still available?
New factory availability depends on ABB’s current product status. Surplus and OEM replacement stock are commonly available through independent industrial suppliers.
2. Can I replace 3BSE003389R1 with a different SA module?
Not automatically. The order code, channel count, signal type, and hardware revision must match. Substituting a different AO module can change scaling, isolation, or controller compatibility.
3. Does this module support 4–20 mA outputs?
Modules in this family typically support standard process signals such as 4–20 mA or 0–10 V, but the exact range must be confirmed from the nameplate and ABB documentation.
4. Can it be hot-swapped?
S800 I/O modules are designed for modular replacement, but hot-swap safety depends on the system configuration, power segment, and field wiring. If the loop controls a valve or drive, put the loop in manual and verify safe state before removal.
5. What warranty should I expect on surplus stock?
Warranty varies by supplier. For critical process loops, ask for a minimum 30–90 day functional warranty, test records, and the option to return if the module fails bench verification.
