Product Model
IL ETH BK DI8 DO4 2TX-PAC

Selling Points
- 1Integrated I/Os: 8 digital inputs and 4 digital outputs onboard.
- 2Ethernet Connectivity: 2 Ethernet ports with integrated switch, supporting auto negotiation and autocrossing.
- 3Modbus/TCP Support: Compatible with Modbus/TCP (UDP) protocol for seamless network integration.
- 4High-Speed Transmission: Supports transmission speeds of 10 Mbps and 100 Mbps.
- 5Robust Design: Designed for use in industrial environments with IP20 degree of protection and surge protection.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Width | 80 mm | Height | 119.8 mm |
Depth | 71.5 mm | Note on dimensions | Specfications with connectors |
Note on application | Only for industrial use | CCCex note | Use in potentially explosive areas is not permitted in China. |
Number of interfaces | 2 | Connection method | RJ45 jack |
Note on the connection method | Auto negotiation and autocrossing | Transmission speed | 10/100 Mbps |
Transmission physics | Ethernet in RJ45 twisted pair | Connection method | Inline data jumper |
Transmission speed | 500 kbps / 2 Mbps (automatic detection, no combined system) | Number of supported devices | max. 63 (per station) |
Number of local bus devices that can be connected | max. 61 (The on-board I/Os are two devices) | Number of devices with parameter channel | max. 16 |
Number of supported branch terminals with remote bus branch | 0 | ID code (hex) | none |
Input address area | 8 bit | Output address area | 4 bit |
Register length | 16 bit | Input name | Digital inputs |
Description of the input | EN 61131-2 type 1 | Number of inputs | 8 |
Connection method | Inline connector | Connection technology | 3-conductor |
Input voltage | 24 V DC | Input voltage range "0" signal | -30 V DC ... 5 V DC |
Input voltage range "1" signal | 15 V DC ... 30 V DC | Nominal input voltage U | 24 V DC |
Nominal input current at U | typ. 3 mA | Typical input current per channel | typ. 3 mA |
Typical response time | approx. 500 µs | Delay at signal change from 0 to 1 | 1.2 ms |
Delay at signal change from 1 to 0 | 1.2 ms | Output name | Digital outputs |
Connection method | Inline connector | Connection technology | 3-conductor |
Number of outputs | 4 | Protective circuit | Short-circuit and overload protection; Freewheeling circuit in the output driver |
Output voltage | 24 V DC -1 V (At nominal current) | Maximum output current per module | max. 2 A |
Nominal output voltage | 24 V DC | Output current when switched off | max. 10 µA (When not loaded, a voltage can be measured even at an output that is not set.) |
Nominal load, inductive | 12 VA (1.2 H, 48 Ω) | Nominal load, lamp | 12 W |
Nominal load, ohmic | 12 W | Reverse voltage resistance to short pulses | Reverse voltage proof |
Behavior with overload | Auto restart | Behavior with inductive overload | Output can be destroyed |
Behavior at voltage switch-off | The output follows the power supply without delay | Signal delay | typ. 1.2 ms |
Overcurrent shut-down | min. 0.7 A | Product type | I/O component |
Product family | Inline | Type | modular |
Scope of delivery | including Inline connectors and marking fields | No. of channels | 12 |
Diagnostics messages | Short-circuit or overload of the digital outputs yes
Sensor supply failure yes
Failure of the actuator supply yes | Article revision | 24 |
Overvoltage category | II (IEC 60664-1, EN 60664-1) | Pollution degree | 2 (IEC 60664-1, EN 60664-1) |
Maximum power dissipation for nominal condition | 6.3 W | Protective circuit | Surge protection (segment supply, main supply, bus coupler supply); Suppressor diode, 35 V DC
Reverse polarity protection (segment supply, main supply, bus coupler supply); Suppressor diode, 35 V DC |
Supply voltage | 24 V DC (via Inline connector) | Supply voltage range | 19.2 V DC ... 30 V DC (including all tolerances, including ripple) |
Current draw | max. 0.98 A (with max. number of connected I/O terminal blocks)
min. 80 mA (without connected I/O terminal blocks) | Supply voltage | 7.5 V DC |
Supply voltage | 24 V DC | Supply voltage range | 19.2 V DC ... 30 V DC (including all tolerances, including ripple) |
Supply voltage | 24 V DC (via Inline connector) | Supply voltage range | 19.2 V DC ... 30 V DC (including all tolerances, including ripple) |
Current draw | max. 8 A DC
min. 3 mA (without connected peripherals) | Supply voltage | 24 V DC (via Inline connector) |
Supply voltage range | 19.2 V DC ... 30 V DC (including all tolerances, including ripple) | Current draw | max. 8 A DC
min. 3 mA (without connected peripherals) |
Test voltage: Ethernet interface 1 / Ethernet interface 2 | 500 V AC, 50 Hz, 1 min | Test voltage: Ethernet interface 1 / logic (U | 500 V AC, 50 Hz, 1 min |
Test voltage: Ethernet interface 1 / I/O (U | 500 V AC, 50 Hz, 1 min | Test voltage: Ethernet interface 1 / functional ground | 500 V AC, 50 Hz, 1 min |
Test voltage: Ethernet interface 2 / logic (U | 500 V AC, 50 Hz, 1 min | Test voltage: Ethernet interface 2 / I/O (U | 500 V AC, 50 Hz, 1 min |
Test voltage: Ethernet interface 2 / functional ground | 500 V AC, 50 Hz, 1 min | Test voltage: Communications power (U | 500 V AC, 50 Hz, 1 min |
Test voltage: Communications power (U | 500 V AC, 50 Hz, 1 min | Test voltage: I/O (U | 500 V AC, 50 Hz, 1 min |
Connection name | Inline connector | Connection method | Spring-cage connection |
Conductor cross section rigid | 0.08 mm² ... 1.5 mm² | Conductor cross section flexible | 0.08 mm² ... 1.5 mm² |
Conductor cross section AWG | 28 ... 16 | Stripping length | 8 mm |
Connection method | Spring-cage connection | Conductor cross section, rigid | 0.08 mm² ... 1.5 mm² |
Conductor cross section, flexible | 0.08 mm² ... 1.5 mm² | Conductor cross section AWG | 28 ... 16 |
Stripping length | 8 mm | Ambient temperature (operation) | -25 °C ... 55 °C |
Degree of protection | IP20 | Air pressure (operation) | 70 kPa ... 106 kPa (up to 3000 m above sea level) |
Air pressure (storage/transport) | 70 kPa ... 106 kPa (up to 3000 m above sea level) | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
Permissible humidity (operation) | 10 % ... 95 % (non-condensing) | Permissible humidity (storage/transport) | 10 % ... 95 % (non-condensing) |
Protection class | III (IEC 61140, EN 61140, VDE 0140-1) | Mounting type | DIN rail mounting |
Specifications may be subject to change without notice