- Field pulse trains enter the dedicated counter channels.
- The module derives counter or frequency data for transfer through the HIMax system connection.
- This signal path remains separate from analog conversion and standard digital-state acquisition.
HIMA · HIMAX COUNTER HARDWARE
HIMA X-CI 24 51 HIMax Counter Module
A 24-channel HIMax counter module for pulse and frequency acquisition from 0 to 20 kHz.
24 CHANNELS0–20 kHzCOUNTER INPUT
Product Overview
HIMA X-CI 24 51 is a 24-channel counter module for the HIMax system. It collects pulse and frequency signals from connected field circuits and makes the resulting counter values available to the controller.
Every channel is specified for a frequency range from 0 to 20 kHz. The module therefore provides a dedicated counting resource for machinery signals, pulse transmitters and other sources that cannot be represented by a simple static digital state.
The 51 suffix identifies the non-safety-related counter version in the HIMax module list. Although X-CI 24 01 has the same channel count and frequency range, its SIL 3 classification means the two suffixes must not be treated as interchangeable ordering codes.
Technical Specifications
| Product type | Counter module |
|---|---|
| System | HIMax |
| Counter channels | 24 |
| Frequency range | 0–20 kHz |
| Safety classification | Non-safety-related module |
| Certified hardware revision | 00 |
| Device status | Valid |
| Module family | X-CI 24 |
Pulse Data Flow
01 and 51 Variant Boundary
- X-CI 24 51 is selected for the specified non-safety counter role.
- X-CI 24 01 is the SIL 3 member of the same channel family.
- Keep the two-digit suffix in bills of material, spare records and quotations.
Buyer Questions
Can X-CI 24 51 be ordered as “X-CI 24” only?
No. The shortened family name does not distinguish the 51 version from the SIL 3 X-CI 24 01.
What is the practical difference between X-CI 24 51 and X-CI 24 01?
Both list 24 channels and 0–20 kHz, but only the 01 version is classified for SIL 3 use.
What should be verified when replacing an installed X-CI 24 51?
Check the full suffix, hardware revision 00, signal frequency and the project’s safety classification.
Can X-CI 24 51 be used for ordinary contact-state inputs?
It is designed as a counter module; ordinary state acquisition belongs to the HIMax digital-input family.
Which signal detail matters most in an X-CI 24 51 quotation?
State the maximum pulse frequency and confirm that it does not exceed the specified 20 kHz range.
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