Product Overview

The HIMA X-AO1601 is a high-density analog output module for the HIMax system. This module provides 16 analog output channels in the 4 to 20 mA range. Each pair of outputs features galvanic isolation for improved signal integrity. The X-AO1601 is TÜV-certified for safety applications up to SIL 3. You get reliable performance for positioning valves, dampers, and other final control elements.

Technical Specifications

General Operating Data

• Supply Voltage: 24 VDC with -15% to +20% tolerance.

• Supply Ripple: Maximum rP ≤ 5%, SELV, PELV rated.

• Current Input (max): 1.3 A under full load.

• Current Input (all outputs off): Minimum 0.6 A.

• Current Input per Channel: 80 mA at nominal output.

• Operating Temperature: 0 °C to +60 °C.

• Storage Temperature: -40 °C to +85 °C.

• Humidity: Maximum 95% relative humidity, non-condensing.

• Protection Rating: IP20.

• Dimensions (H x W x D): 310 mm x 29.2 mm x 230 mm.

• Weight: Approximately 1.2 kg.

Analog Output Specifications

• Number of Outputs: 16 analog output channels.

• Galvanic Isolation: Pairwise isolation between output pairs.

• Output-to-Supply Isolation: No electrical isolation between outputs and voltage supply.

• Nominal Range: 4 to 20 mA (standard process signal).

• Operating Range: 0 to 22.5 mA (full capability).

• Digital Resolution: 16 bits (10,000 digits in SILworX software).

• Value of LSB: ≤ 2 microamperes.

• Maximum Ohmic Load: 600 Ω per output.

• Maximum Inductive Load: 1 mH per output.

• Maximum Capacitive Load: 100 µF in parallel with ohmic load.

• Settling Time: 5 milliseconds to reach output value.

• Shutdown Time (to safe state): 16 milliseconds when a fault occurs.

Metrological Accuracy

• Accuracy at 25 °C: ≤ ± 0.2% of final value maximum.

• Accuracy on Full Temperature Range: ≤ ± 0.5% of final value maximum.

• Temperature Coefficient: ≤ ± 0.05% per Kelvin of final value maximum.

• Accuracy with HART Communication: ≤ ± 2% of final value maximum.

• Linearity Error: ≤ ± 0.1% maximum.

• Safety-related Accuracy: ≤ ± 2% of final value (certified range).

Field Connection Specifications

• Cable Plugs: 4 pieces, each with 8 poles.

• Wire Cross-section (Single-wire): 0.2 to 1.5 mm².

• Wire Cross-section (Finely stranded): 0.2 to 1.5 mm².

• Wire Cross-section (with ferrule): 0.2 to 1.5 mm².

• Stripping Length: 6 mm.

• Recommended Screwdriver: Slotted 0.4 mm x 2.5 mm.

• Tightening Torque: 0.2 to 0.25 Nm.

Optional System Cable: HIMA X-CA 011

The X-CA 011 system cable connects the X-CB 014 53 connector board to the field zone. This cable uses field termination assemblies for organized wiring.

Cable Specifications:

• Cable Type: LIYCY-TP 18 x 2 x 0.25 mm².

• Wire Construction: Finely stranded for flexibility.

• Average Outer Diameter: Approximately 12.7 mm.

• Minimum Bending Radius (Fixed): 5 x cable diameter.

• Minimum Bending Radius (Flexible): 10 x cable diameter.

• Combustion Behavior: Flame resistant and self-extinguishing per IEC 60332-1-2 and -2-2.

• Available Lengths: 8 meters to 30 meters.

Installation Guide

Follow these steps to install the HIMA X-AO1601 correctly. First, insert the module into any HIMax base plate slot not reserved for system bus modules. Second, connect the 24 VDC supply voltage with proper SELV or PELV rating. Third, wire your analog actuators to the 8-pole cable plugs using the correct cross-section. Fourth, strip each wire to exactly 6 mm before insertion. Fifth, tighten each connection to 0.2 to 0.25 Nm torque. Sixth, use the X-CA 011 system cable for remote field termination connections. Finally, verify each output load stays within the 600 Ω maximum limit.

Package Contents

• 1 x HIMA X-AO1601 analog output module.

• 4 x 8-pole cable plugs for field wiring.

• 1 x Front panel with integrated status LEDs.

• Note: No actuators or field devices included.

• Note: The X-CA 011 system cable is sold separately.

Frequently Asked Questions (FAQ)

Q1: What safety certifications does the HIMA X-AO1601 hold?
A: The X-AO1601 is TÜV-certified for SIL 3 according to IEC 61508, IEC 61511, and IEC 62061. The safety-related accuracy reaches ≤ ± 2% of final value. You can use this module in the highest safety integrity level applications.

Q2: How fast does the HIMA X-AO1601 shut down when a fault occurs?
A: The module transitions to its safe state within 16 milliseconds of fault detection. The normal settling time for a new output value is only 5 milliseconds. This fast response works well for emergency shutdown and safety interlock systems.

Q3: What type of galvanic isolation does this analog output module provide?
A: The X-AO1601 provides pairwise galvanic isolation between output pairs. Outputs are not isolated from one another within the same pair. They also share a common reference with the voltage supply.

Q4: Can I use the HIMA X-AO1601 with HART communication devices?
A: Yes, the module supports HART communication on analog outputs. The accuracy with HART communication stays at ≤ ± 2% of final value. This allows digital configuration and monitoring of smart field devices.

Q5: What is the recommended cable for remote field connections with this module?
A: The X-CA 011 system cable is designed for this purpose. It uses LIYCY-TP 18 x 2 x 0.25 mm² wire with flame resistant properties. The cable is available in lengths from 8 to 30 meters for flexible installation.