Description
Product Overview
The HIMA X-COM01 is a communication module for the HIMax programmable electronic safety system, where dependable data exchange with external control and monitoring equipment is essential to plant operation. Installed in a compatible HIMax base plate, the module provides Ethernet and fieldbus connectivity for configured standard and safety-related protocols. Typical applications include emergency shutdown (ESD), fire and gas (F&G) systems, high-integrity pressure protection systems (HIPPS), and other safety-critical process applications. The HIMA X-COM01 supports communication within the control architecture; it does not independently execute the safety logic assigned to the system’s processor.
Hardware configuration matters when specifying this module. The documented standard interface arrangement includes four RJ-45 Ethernet ports and two 9-pin D-sub connectors, while the actual fieldbus capabilities depend on the installed options and enabled protocols. The module uses the HIMax engineering environment, including SILworX for protocol configuration. A compatible connector board is also required: the X-CB 001 02 is identified in the module documentation as the associated connector board for the standard configuration. Optional fieldbus submodules are factory-installed, so buyers should not assume that every unit supports the same protocol set simply because the front label reads X-COM01.
For maintenance teams, the HIMA X-COM01 is relevant when restoring communication in an existing HIMax installation or maintaining a validated control-system configuration. Before ordering, compare the full part number, hardware revision, installed fieldbus options, connector board, and required protocol versions with the existing assembly. HIMA introduced the X-COM 01 E as a successor with additional protocol support and increased memory capacity; the manufacturer states that it can replace the earlier X-COM 01, subject to configuration requirements. That makes the original module a practical option for like-for-like maintenance, while the newer version may suit planned communication upgrades. Neither choice should bypass project-specific safety validation or commissioning checks.
Product Introduction (Non-Templated)
Communication faults in a safety controller can interrupt data exchange with supervisory systems even when the safety processor remains operational. The HIMA X-COM01 addresses this layer of the HIMax PES architecture through configurable Ethernet and fieldbus interfaces.
With a 24 VDC supply and four Ethernet ports in its documented standard configuration, the module supports integration with compatible plant networks and external equipment. For a DCS system upgrade or legacy replacement, confirm the installed communication options and protocol configuration before selecting a spare.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | HIMA |
| Model | X-COM01 |
| Part Number | 985260000; verify exact ordering code |
| Product Series | HIMax |
| Product Type | Communication module |
| Supply Voltage | 24 VDC, −15% to +20% |
| Current Input | 0.25 A minimum; 0.46 A maximum |
| Ethernet Interfaces | 4 × RJ-45 |
| Serial Interfaces | 2 × 9-pin D-sub on documented standard configuration |
| Communication Protocols | Configurable; depends on hardware options and software |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | −40°C to +85°C |
| Relative Humidity | Up to 95%, noncondensing |
| Protection Rating | IP20 |
| Dimensions | Approximately 310 × 29.2 × 230 mm (H × W × D) |
| Weight | Approximately 1.3 kg |
| Connector Board | X-CB 001 02 for the documented standard configuration |
| Engineering Software | SILworX |
| Safety Role | Communication only; does not execute the safety function |
Technical values are based on available module documentation and published product specifications. Confirm the exact hardware variant and applicable manual revision before installation.

X-COM01
Related Products
The following components belong to or support the HIMax system. They have different functions and are not all direct substitutes for the X-.
HIMA X-COM 01 E
Communication-module successor with additional protocol support and increased memory capacity. Consider it for replacement or communication upgrades after checking installed fieldbus options, connector-board requirements, and protocol compatibility.
HIMA X-CB 001 02
Associated connector board for the documented X- configuration. Check whether the existing board is serviceable and compatible before ordering a replacement communication module.
HIMA X-CPU 01
HIMax processor module for high-performance and critical control applications. It executes the controller application; it does not replace the communication interfaces supplied by the X-.
HIMA X-CPU 31
Processor module for smaller and mid-sized safety applications. Its role differs from the X-, which handles communication rather than safety-logic execution.
HIMA X-SB 01
HIMax system bus module. It serves the system’s internal bus architecture, unlike the X-‘s external communication role. It must be selected according to the specific base-plate design.
HIMA X-DI 32 01
A 32-channel, 24 VDC digital input module for compatible HIMax installations. It acquires discrete field signals; it is not a communication-module alternative.
HIMA X-DI 64 01
A 64-channel, 24 VDC digital input module for applications requiring a higher discrete input count. Select it based on field-point requirements, not as a substitute for X- network connectivity.
HIMA X-AI 32 01
A 32-channel analog input module for 4–20 mA signals. It handles analog process acquisition, while the X- provides communication with configured external systems.
Frequently Asked Questions (FAQ)
1. Is the HIMA X- compatible with my existing HIMax safety controller?
The X- is designed for the HIMax PES platform. Compatibility still depends on the installed base plate, reserved system bus slots, connector board, module variant, and configured protocols.
Before ordering, compare the existing unit’s nameplate and hardware configuration with the replacement. Do not treat compatibility with the HIMax family as proof that every protocol or fieldbus option will match.
2. Can I hot-swap this communication module without shutting down the safety system?
Do not assume that the original X- can be removed under power in every installation. HIMA specifically describes the X-COM 01 E as supporting replacement during operation under its Safety Non-Stop principle, but that statement should not automatically be applied to every X- configuration.
Follow the applicable HIMA maintenance procedure, confirm system redundancy and operating status, and obtain authorization for the planned intervention. A safety-system maintenance procedure takes precedence over a general replacement recommendation.
3. Does the HIMA X- support firmware v3.1?
A universal firmware compatibility claim cannot be verified from the model number alone. The required software and protocol versions depend on the installed HIMax system, the X- hardware configuration, and the communication function being used.
Check these items before installation:
- The installed X- operating-system or firmware version.
- The HIMax system software version and applicable compatibility documentation.
- The enabled protocols and any optional fieldbus submodules.
- The existing SILworX project configuration.
Confirm the exact version pairing with the applicable HIMA documentation rather than relying on a generic firmware label.
4. Will replacing the X- erase my safety logic or communication configuration?
The X- does not execute the safety logic; that responsibility belongs to the processor module. Replacing a communication module therefore differs from replacing the CPU.
However, communication settings, interface assignments, protocol activation, and external network parameters still require verification. Back up the engineering project, record the existing configuration, and verify communication after replacement. Never assume that a spare arrives with the site’s configuration already loaded.
5. How can I verify that a new-surplus HIMA X- is authentic?
A new-surplus description alone does not establish authenticity or factory-sealed status. Request evidence tied to the actual unit, including:
- Clear photographs of the nameplate, full part number, and revision markings.
- Confirmation of included connector-board or fieldbus accessories.
- Packaging and seal photographs, if factory-sealed condition is claimed.
- Inspection records and a written statement of the tested functions.
- Traceability documents where available.
For safety-related equipment, distinguish visual inspection from functional testing. Neither alone proves that the module is approved for the intended application.
6. What should I check if the X- powers up but Ethernet communication fails?
Start with the electrical supply and physical network path before changing the application configuration.
- Verify the 24 VDC supply and inspect module status indicators.
- Check Ethernet cabling, port assignment, link status, and network settings.
- Review IP addressing and confirm that no address conflict exists.
- Verify that the required protocol is enabled and correctly configured in SILworX.
- Inspect diagnostic messages and check the status of the external communication partner.
If communication remains unavailable, compare the installed protocol configuration and hardware options against the original system records.
7. What warranty applies to the HIMA X- replacement module?
Warranty coverage depends on the supplier’s written terms and the condition of the specific unit. New surplus, refurbished, and previously used modules may carry different coverage.
Before purchasing, request the warranty period, return window, coverage exclusions, and procedure for handling a failed unit. For critical shutdown systems, also confirm whether the supplier can provide inspection records and a documented response process for suspected hardware faults.
