HIMA HIMax X-DI 64 51 - Structure; Block Diagram; Figure 2: Block Diagram

3 Product Description X-DI 64 51
Page 12 of 50 HI 801 177 E 4.00
3.4 Structure
The module has 64 digital inputs (24 V) for digital signals, contact makers and proximity
switches (two-wire). For safely detecting a high level on the digital input, the voltage and
current thresholds must be exceeded (see
Table 8).
The eight short-circuit-proof supplies feed eight supply outputs each (S1+ to S8+). One
supply output is assigned to each digital input.
The processor system for the I/O module controls and monitors the I/O level. The data and
states of the I/O module are made available to the processor modules via the redundant
system bus. The system bus has a redundant structure for reasons of availability.
Redundancy is only ensured if both system bus modules are inserted in the base plates
and configured in SILworX.
The module is equipped with LEDs to indicate the status of the digital inputs, see
Chapter
3.4.2.
3.4.1 Block Diagram
The following block diagram illustrates the structure of the module.
Field Zone: Proximity Switches and Contact
Makers
Interface
Processsor System
System Busses
Figure 2: Block Diagram