
Product Description
📘 Product Overview
| Field | Details |
|---|---|
| Manufacturer | Emerson |
| Model Number | SE4035S2B1 |
| Product Type | Redundant Analog Output Card, 8 channels, 4-20 mA, HART |
| Function | Provides redundant analog output for 4-20 mA HART signals in DeltaV systems |
| System Compatibility | Compatible with S-series controllers, 8-wide I/O carriers, and DeltaV SIS |
| Included Components | 2 Analog Output Cards (8 channels each), 1 Redundant AO 8-Channel Terminal Block |
⚙️ Hardware Specifications
| Feature | Specification |
|---|---|
| Number of Channels | 8 per card (16 total across redundant pair) |
| Device Types | 4 to 20 mA |
| Full Signal Range | 1 to 23 mA |
| Resolution | 14-bit D/A converter |
| Calibration | None required |
| Local Bus Current (12V DC Nominal) | Simplex: 120 mA typical, 150 mA maximum Redundant: 175 mA typical, 250 mA maximum (per card) |
| Field Circuit Power | 300 mA maximum @ 24 V DC (±10%) per card |
| Isolation | Each channel optically isolated from the system, factory tested to 1500 V DC |
| Output Compliance Voltage | 20 mA at 21.6 V DC supply into 700 Ω load |
| Open-Loop Detection | <0.70 mA |
| Optional Fuse | 2.0 A (Terminal block option) |
| HART Communications Support | HART pass-through for AMS Device Manager HART variable and status reporting for control functions |
| HART Scan Time | 600–800 ms (typical) per enabled channel |
🔁 Redundancy Features
| Mode | Details |
|---|---|
| Switchover Triggers | Hardware failure, communications failure, field wiring fault, manual switch via diagnostics explorer |
| Switchover Time | Completed within two scans of the I/O bus, with <5 ms overlap for analog outputs |
| Output Behavior on Switchover | Configurable to resend outputs; make-before-break contacts ensure undisturbed process |
| Standby Function | Controller scans both cards, determines active card, and auto-commissions new standby card |
| Replacement Procedure | Failed cards replaceable under power in safe areas; hazardous areas follow certified procedures |
🔌 Communication Specifications
| Feature | Specification |
|---|---|
| HART Protocol | Supports HART pass-through and variable/status reporting |
| Output Signal | 4-20 mA analog output with HART communication |
| Accuracy Over Temperature Range | 0.25% of span (-40 to 60°C) 0.4% of span (60 to 70°C) |
🌡️ Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temp | -40 to +70 °C (-40 to 158 °F) |
| Storage Temp | -40 to +85 °C (-40 to 185 °F) |
| Humidity | 5% to 95% RH, non-condensing |
| Protection | IP20 |
| Contaminant Rating | ISA-S71.04-1985 Airborne Contaminants Class G3, conformal coating |
| Shock | 10 g, ½-sine wave, 11 ms |
| Vibration | 1 mm peak-to-peak (5–13.2 Hz); 0.7 g (13.2–150 Hz) |
✅ Certifications
| Standard | Details |
|---|---|
| CE | EMC - EN 61326-1 |
| FM (USA) | FM 3600, FM 3611; Class I, Division 2, Groups A, B, C, D, T4 |
| cFM (Canada) | CSA C22.2 No. 213, CSA C22.2 No. 1010-1; Class I, Division 2, Groups A, B, C, D, T4 |
| ATEX | II 3G Ex ec IIC T4 Gc, II 3G Ex nA nC IIC T4 Gc |
| IEC-Ex | II 3G Ex ec IIC T4 Gc, II 3G Ex nA nC IIC T4 Gc |
| Marine | IACS E10, ABS Certificate of Design Assessment, DNV Marine Certificate |
| Installation Instructions | Class I Division 2: 12P5402 Zone 2: 12P5404 |
🛠️ Installation & Configuration
| Feature | Details |
|---|---|
| Mounting | Plugs into any slot on 8-wide I/O carrier |
| Auto-Detection | DeltaV system auto-senses cards and redundant pair |
| Configuration Tool | DeltaV Explorer, no special configuration for redundancy |
| Online Expansion | Supported, cards can be added without disrupting existing I/O communication |
| Terminal Block Compatibility | Redundant AO 8-Channel Terminal Block (keying: A4) |
| Mass Terminal Blocks | Not supported for this model |
📦 Ordering Information
| Field | Details |
|---|---|
| Model Number | SE4035S2B1 |
| Includes | 2 AO Cards (8 channels, 4-20 mA, HART), Redundant AO 8-Channel Terminal Block |
| Spare Parts | 250V 2A Fuse for Fused Terminal Block (Model: KJ4010X1-BC1, Box of 20) |