- Twenty-four channels provide the field-facing counter resources in one HIMax module.
- Pulse and frequency signals are processed as counter data rather than as ordinary on/off input states.
- The 20 kHz upper frequency value applies to the specified X-CI 24 01 channel set.
HIMA X-CI 24 01 HIMax Safety Counter Module
A 24-channel counter module for acquiring pulse and frequency signals up to 20 kHz in SIL 3 HIMax applications.
Product Overview
HIMA X-CI 24 01 is a safety-related counter module for the HIMax programmable electronic system. Its 24 counter channels acquire pulse trains and frequency-based field signals where the application requires the counting function to participate in a SIL 3 safety path.
The module accepts channel frequencies from 0 to 20 kHz. This makes the hardware suitable for speed, pulse and event-counting duties that must be evaluated by the HIMax controller rather than by a general-purpose digital input stage.
X-CI 24 01 is the safety-related member of the X-CI 24 family. The final “01” is therefore part of the ordering identity and separates it from X-CI 24 51, which is listed without the SIL 3 counter classification.
Technical Specifications
| Product type | Safety-related counter module |
|---|---|
| System | HIMax |
| Counter channels | 24 |
| Frequency range | 0–20 kHz |
| Safety integrity | SIL 3 |
| Certified hardware revision | 11 |
| Device status | Valid |
| Installed format | HIMax rack module |
Counter Input Structure
Safety Model Selection
- Use the complete X-CI 24 01 code when the counter function belongs to a SIL 3 application.
- Do not substitute X-CI 24 51 solely because the channel count and frequency range are the same.
- Match the hardware revision and full suffix during receiving inspection.
Buyer Questions
Can X-CI 24 01 be replaced by X-CI 24 51 in a safety loop?
No. The 01 model is the SIL 3 counter module; the 51 model does not carry the same safety-related classification.
What label details should be checked before accepting X-CI 24 01?
Confirm the full X-CI 24 01 designation and hardware revision 11, not only the X-CI 24 family name.
Will X-CI 24 01 read a 25 kHz pulse source?
The specified channel range ends at 20 kHz, so a 25 kHz source is outside the specified value.
Is X-CI 24 01 intended to replace a standard digital input module?
No. It is dedicated to counter and frequency acquisition, while digital input modules evaluate discrete states.
What project information should accompany an X-CI 24 01 enquiry?
Provide the full model, channel frequency, signal type, HIMax rack context and required hardware revision.
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