HIMA HIMatrix F3 DIO 20/8 02 Series Safety Related Remote I/O Modules

HIMA HIMatrix F3 DIO 20/8 02 Series Safety Related Remote I/O Modules

HIMA F3 DIO 20/8 02 is a safety related remote I/O module certified by T Ü V, belonging to the HIMatrix programmable electronic system family. This module adopts a compact metal shell design, providing 20 digital inputs and 8 digital outputs. It communicates with HIMax or HIMatrix controllers through the SafeEthernet protocol to expand the system's I/O hierarchy, but does not run user programs on its own.

This device is suitable for safety related applications up to SIL 3 level, complies with IEC 61508, IEC 61511, IEC 62061 standards, and also meets Cat. 4 and PL e (EN ISO 13849-1) requirements. For railway applications, this module has also obtained SIL 4 certification and complies with EN 50126, EN 50128, and EN 50129 standards. In addition, the device is suitable for installation in Zone 2 explosive environments.

Product Model and Selection

F3 DIO 20/8 02 offers multiple models to adapt to different environmental requirements and programming tools:

Model, working temperature, special characteristics, programming tool

F3 DIO 20/8 02 0...+60 ° C Standard ELOP II Factory

F3 DIO 20/8 021 (-20 ° C) -20...+60 ° C wide temperature type, with protective coating ELOP II Factory

F3 DIO 20/8 023-25...+70 ° C salt spray resistant (IEC 60068-2-11) ELOP II Factory

F3 DIO 20/8 024-25...+70 ° C railway application, anti vibration and anti impact ELOP II Factory

F3 DIO 20/8 02 SILworX 0...+60 ° C Standard SILworX

F3 DIO 20/8 021 SILworX -20...+60 ° C wide temperature type, with protective coating SILworX

F3 DIO 20/8 023 SILworX -25...+70 ° C salt spray resistant SILworX

F3 DIO 20/8 024 SILworX -25...+70 ° C Railway Application SILworX

Safety functions and fault response

3.1 Safety related digital inputs

The 20 digital inputs adopt a non electrically isolated design, and the status of each input is indicated by an independent LED.

Connection method:

Passive mechanical contacts: powered by a 24V power supply (LS+) with internal short-circuit protection, with every 4 contacts in a group

Active signal source: The corresponding ground terminal needs to be connected to the input terminal (L -)

Fault response:

When the device detects a digital input fault:

According to the principle of "power loss trip", the user program processes low-level signals

FAULT LED lights up

User programs need to consider both channel signal values and corresponding error codes simultaneously

Line monitoring function:

To achieve emergency stop input monitoring that complies with EN ISO 13849-1 Cat.4 and PL e, the line monitoring function can be configured to detect short circuits or open circuits. By connecting the digital outputs (DO 1-8) of the system to the digital inputs (DI) of the same system and configuring pulse outputs, it is possible to detect:

Cross short circuit between two parallel wires

Line connection error

Grounding fault (only applicable to grounding systems)

Open circuit or contact disconnection

3.2 Safety related digital outputs

The 8-channel digital output adopts a non electrically isolated design, and the status of each output is indicated by an independent LED.

Load capacity:

Channels 1-3 and 5-7: Maximum 0.5 A (up to 60 ° C)

Channels 4 and 8: Temperature related load capacity

< 50°C：2 A

50-60°C：1 A

60 ° C: 0.5 A (limited to F3 DIO 20/8 023 and 024 only)

Overload protection:

When overload occurs, one or all affected digital outputs are turned off. After the overload is eliminated, the output will automatically reconnect.

Fault response:

When the device detects a digital output fault:

The output of the affected module is set to a safe (power-off) state through a safety switch

When a device malfunction occurs, all digital outputs are turned off

FAULT LED lights up

Important precautions:

The redundant connection of two outputs must be decoupled using diodes

Single pole switching output must use the corresponding channel group's L-ground terminal (two pole connection)

For inductive loads, it is recommended to directly connect the freewheeling diode

Technical specifications

4.1 General specifications

Parameter specifications

Response time ≥ 10 ms

Ethernet interface 2 x RJ-45, 10BASE-T/100BASE-Tx, integrated switch

Working voltage 24 VDC, -15%/+20%

Maximum input current 8 A (at maximum load)

No load current of approximately 0.4 A (at 24 V)

External fuse 10A, delay type (T)

Protection level IP20

Dimensions (W x H x D) 207 mm x 114 mm x 66 mm

Weight approximately 1 kg (standard type)/1.2 kg (wide temperature type)

4.2 Digital Input Specifications

Parameter specifications

Input quantity 20 (non electrically isolated)

High level 15-30 VDC, ≥ 2 mA (at 15 V)

Low level ≤ 5 VDC, ≤ 1.5 mA

Typical switch point 7.5 V

Sensor power supply 5 x 20 V/100 mA (at 24 V), short circuit protection

4.3 Digital output specifications

Parameter specifications

Output quantity 8 (non electrically isolated)

Output voltage ≥ L+minus 2 V

Minimum load of 2 mA per channel

Maximum internal pressure drop of 2 V (at 2 A)

Maximum leakage current of 1 mA (at 2 V)

The maximum total output current is 7 A

Communication and Diagnosis

5.1 SafeEthernet Communication

The module communicates with the associated controller through the SafeEthernet protocol, providing: