Description
1. At-A-Glance Executive Brief
- Model: X-AO 16 01 (X-AO1601)
- Brand: HIMA
- Part Type: 16-Channel Safety Analog Output Module
- System Compatibility: HIMA HIMax Safety Instrumented Systems
- Lifecycle Status: Active / High-Availability Plant Migration Support
- Weight: 1.25 kg
2. Technical Introduction
3. Core Technical Specifications
| Parameter | Value |
| Manufacturer | HIMA |
| System Series | HIMax |
| Output Channels | 16 Analog Outputs (Galvanically isolated) |
| Signal Range | 0/4 to 20 mA (Up to 24 mA overrange support) |
| Load Resistance | Max. 500 Ohm at 20 mA |
| Digital Resolution | 12-bit |
| Safety Certification | Up to SIL 3 (IEC 61508) / Cat. 4 / PL e |
| Operating Voltage | 24 VDC |
| Space Requirement | 1 Slot (HIMax base plate layout) |
4. Field Engineer’s Tech Notes
- Maximum Load Impedance Verification: Before terminating field actuator loops, verify that total loop resistance (including cable run and control valve positioner coil) does not exceed 500 ohms at 20 mA. Exceeding this impedance rating forces the internal output driver into voltage saturation, causing current clipping and erratic positioning commands.
- Open-Circuit Behavior Configuration: Program the fallback state configuration carefully within the HIMax engineering software. If an output loop loses communication or encounters a fault, ensure the designated channel defaults safely (either to 0 mA, 4 mA, or last-known safe hold) according to your process hazard and operability (HAZOP) analysis.
5. Adaptive QA & Testing Protocol
Prior to inventory dispatch, each HIMA X-AO 16 01 module undergoes automated bench testing using high-precision digital multimeters and load simulators connected across all 16 channels simultaneously. Technicians verify output current linearity across full-scale spans (4mA, 12mA, 20mA), test galvanic isolation boundaries, and simulate channel open-circuit conditions to confirm fault reaction behavior. Complete test verification reports and serialized logs are available upon request to procurement teams.
6. Buyer’s FAQ
- What warranty coverage comes with this HIMax analog output card?
All New Surplus (NSFP) and fully tested operational units are supplied with a comprehensive 12-month operational warranty from the date of invoice.
- Is this output module compatible with older HIMA HIQuad systems?
No, the X-AO 16 01 is engineered exclusively for the high-density HIMax safety architecture and requires dedicated HIMax baseplates and system software.
- What is your shipping turnaround for urgent plant turnarounds?
Stocked modules ship same-day from our domestic US warehouse via priority air freight carriers to eliminate costly facility downtime.



