Product Overview

The HIMA X-DI3201 is a high-density analog input module for the HIMax system. This module evaluates up to 32 analog input signals from field devices. It provides a dedicated transmitter supply for each of the 32 channels. The X-DI3201 is TÜV-certified for safety applications up to SIL 3. You get reliable performance for emergency shutdown and fire protection systems.

Technical Specifications

General Operating Data

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

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

• Current Input (min): 500 mA without channels or transmitter supplies.

• Current Input (max): 1.5 A if all transmitter supplies are short-circuited.

• Current per Channel (min): 0 mA without transmitter supply active.

• Current per Channel (with supply): Minimum 30 mA with transmitter supply enabled.

• 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 1.4 kg.

Analog Input Specifications

• Number of Inputs: 32 channels with common ground AI-.

• Galvanic Isolation: Separated from system bus and 24 VDC supply.

• Nominal Range: 0/4 to 20 mA.

• Operating Range: 0 to 22.5 mA.

• Digital Resolution: 12 bits.

• Shunt Resistor: 200 Ω for current measurement.

• Maximum Permitted Current via Shunt: 50 mA.

• Withstand Voltage of Input: ≤ 10 VDC.

• Interference Voltage Suppression: > 60 dB for common mode 50/60 Hz.

• Measured Value Renewal: Tied to user program cycle time.

• Sampling Time: 2 milliseconds.

• Metrological Accuracy (Full Temperature Range): ± 0.15% of final value.

• Settling Time to 99%: 15 milliseconds when input signal changes.

Transmitter Supply Specifications

• Number of Transmitter Supplies: 32 (one per channel).

• Output Voltage: 26.5 VDC with +0% / -15% tolerance.

• Output Current per Supply: Maximum 30 mA.

• Undervoltage Monitoring Threshold: 22.5 VDC.

• Overvoltage Monitoring Threshold: 30 VDC.

• Maximum Short-circuited Supplies: Up to 12 simultaneously allowed.

• Overload Protection: All supplies switch off if >12 shorted for over 3 seconds.

• Auto-recovery: Supplies turn back on if overload clears within 30 seconds.

• Maximum Connectable Load (Transmitter + Line): ≤ 750 Ω at 22.5 mA.

Field Connection Specifications

• Cable Plugs: 8 pieces, each with 12 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.

Installation Guide

Follow these steps to install the HIMA X-DI3201 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 transmitters to the 12-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, verify each transmitter supply provides 26.5 VDC output. Finally, check the current input stays below 1.5 A total for safe operation.

Package Contents

• 1 x HIMA X-DI3201 analog input module.

• 8 x 12-pole cable plugs for field wiring.

• 1 x Front panel with integrated status LEDs.

• Note: No transmitters or sensors included.

• Note: No mounting screws or backplane connectors included.

Frequently Asked Questions (FAQ)

Q1: What safety certifications does the HIMA X-DI3201 hold?
A: The X-DI3201 is TÜV-certified for SIL 3 according to IEC 61508, IEC 61511, and IEC 62061. It also meets Cat. 4 and PL e per EN ISO 13849-1. You can use it in the highest safety integrity level applications.

Q2: How many transmitter supplies can be short-circuited on the HIMA X-DI3201?
A: Up to 12 supplies can be short-circuited simultaneously without issue. If more than 12 supplies remain shorted for over 3 seconds, all 32 transmitter supplies switch off. The supplies automatically restore if the overload clears within 30 seconds.

Q3: What happens when the input signal changes on this analog input module?
A: The module reaches 99% of the new process value within 15 milliseconds. The sampling time is only 2 milliseconds for high-speed monitoring. This fast response works well for safety-critical applications.

Q4: What is the maximum load I can connect to one channel of the HIMA X-DI3201?
A: The total load from the transmitter plus field wiring must stay at or below 750 Ω at 22.5 mA. The transmitter supply outputs 26.5 VDC at up to 30 mA. Exceeding 750 Ω may cause undervoltage on the transmitter supply.

Q5: Where can I install this analog input module in a HIMax system?
A: Insert the X-DI3201 into any base plate slot except those reserved for system bus modules. Check the HIMax System Manual (HI 801 001 E) for specific slot restrictions. The module has a 29.2 mm width and requires no special spacing.