KEBA KeConnect I/O Module Series

Product General Attributes

All KeConnect I/O modules have unified industrial grade basic attributes, providing convenience for cross model adaptation and system integration. The core parameters are as follows:

Adaptation scenarios: The vast majority of models support KePlast, KeMotion, and general industrial scenarios, marked as •; Only a few models (such as DO 242/B, AM 282/A) are compatible with certain scenarios

Environmental standards: working temperature * *+5 ℃~+55 ℃, storage temperature -40 ℃~+70 ℃, relative humidity 10%~95% (no condensation), vibration/impact resistance in accordance with EN 61131-2**

Electrical standards: overvoltage level II, protection level III (EN 61131-2), most modules achieve K-bus addressing through 16 bit address switches (side)

Mechanical specifications: Most modules have a uniform size of 120mm (height) x 22.5mm (front board width) x 100mm (depth), including a K-bus plug that is 32.5mm wide; The wiring terminals are open terminals with a spacing of 5.08mm, and some are gold-plated contact plug-in terminals

Power supply mode: Mainly provided by K-bus with 24V DC/5V DC, some modules (such as digital output and hybrid modules) support front-end 24V DC power supply (tolerance 19.2V~30V, EN 61131-2)

Connection method: It can be directly connected to the KEBA CPU module or adapted to all KEBA controllers through a bus coupler

General features: Standard electronic parameter chip, LED status display, most modules have electrical isolation, fault detection/diagnosis functions, strong anti-interference ability

Digital I/O module

It includes three types: digital input, digital output, and digital hybrid. The core is the acquisition and control of 24V DC switch signal, with industrial grade protection and high-speed response characteristics. The key parameters are shown in the table below:

Module type, model, core configuration, key characteristics

Digital input DI 240/B 8-channel digital input, 2-channel interrupt input Type1 (EN61131-2), 15~30V is 1, -3~5V is 0, 1ms cycle, configurable 1/100ms stabilization, 707V DC electrical isolation, green LED display

Digital input DI 260/A 16 channel digital input, 2-channel interrupt input consistent with DI 240/B characteristics, K-bus interrupt response time 100 μ s (5kHz filtering)

Digital output DO 242/B 8-channel digital output, 24V DC 2A/50% simultaneous rate, short circuit detection/diagnosis/protection, fast turn off of inductive load, 1J/0.2Hz maximum inductive load, orange LED display

Digital output DO 272/A 14 channel digital output, 24V DC with consistent characteristics with DO 242/B, 1ms processing time, electrical isolation

Digital hybrid DM 272/A 8-channel current input+8-channel current output, 2-channel interrupt input, 50 μ s K-bus interrupt response, 2A/50% simultaneous rate output, 707V DC electrical isolation, input configurable anti jitter

Digital hybrid DM 276/A with 6 pull current inputs and 8 sink current outputs, consistent with the characteristics of DM 272/A, output short-circuit protection, inductive load 1J/0.2Hz

Core commonality: The digital inputs are all Type1 (EN61131-2) standards, and the digital outputs support 24V DC/2A loads with continuous short-circuit protection. The hybrid module integrates input and output advantages and is suitable for small space multi signal scenarios.

Analog I/O module

It includes three types: analog input, analog output, and analog hybrid. The core is high-precision acquisition and output of voltage/current analog quantities, supporting differential/single ended modes, with high resolution and low error characteristics. The key parameters are shown in the table below:

Module type, model, core configuration, key characteristics

Analog input AI 240/A 4-channel voltage input, 14 bit resolution ± 10V/0-10V range, 1ms scanning cycle, sensor fault detection,>80dB common mode rejection, LSB=1.3mV， 25 ℃ error ± 0.01% full-scale

Analog output AO 240/A 4-channel voltage output, 12 bit resolution ± 10V range, 1ms conversion period, LSB=5.32mV， Full scale establishment time ≤ 50 μ s, 25 ℃ error ± 0.15% of full scale

Simulate hybrid AM 280/A with 4 inputs and 4 outputs (voltage), input 14 bits/output 12 bits consistent with AI240/A and AO240/A characteristics, sensor fault detection, ± 10V range

Simulated hybrid AM 282/A with 4 inputs and 4 outputs (voltage), 16 bit input/14 bit high-precision version, the rest is the same as AM280/A, only suitable for KePlast/general scenarios

Simulated hybrid AM 280/B with 4 inputs and 4 outputs (current), 14 bit 0-20/4-20mA range, differential input, LSB=1.35μA， Output load ≤ 600 Ω

Core commonality: Analog inputs all use successive approximation conversion, support sensor fault detection, and have first-order 250Hz low-pass filtering; The analog outputs are all single ended and support monotonic output with error free codes. The temperature coefficient error is as low as ± 5ppm/℃, meeting the high-precision measurement and control needs of industry.

Compact module: IM 270/W

A highly integrated multifunctional module designed for optimizing plastic machinery and adapting to general industrial scenarios, it is the core model for cost and space optimization. It integrates 32 digital inputs, 40 digital outputs, 8 analog inputs, 6 analog outputs, 8 temperature inputs, and 4 SSI interfaces, and is equipped with 2 EtherCAT interfaces. The core features are as follows:

Digital I/O: 32 digital inputs (200 μ s update cycle), 16 0.5A digital outputs (100% simultaneous rate)+24 2A digital outputs (50% simultaneous rate), all supporting short circuit detection/protection, 2A output with 500V AC electrical isolation

Analog I/O: 8-channel analog input (16 bit resolution, ± 10V, 100 μ s scanning period), 6-channel analog output (12 bit, ± 10V, 100 μ s conversion period), supports differential/single ended options, sensor fault detection

Temperature input: 8 J/K/L/N thermocouples, 16 bit resolution, 500V AC electrical isolation, supporting internal and external cold end compensation, with an error of ± 0.5 ℃ after external TE220/A compensation (typical)

Communication interface: 2-channel EtherCAT (100Mbit/s) for high-speed communication, 4-channel SSI interface (up to 1Mbit/s, 32-bit resolution), supporting binary/Gray code

Core advantage: Supports fast control concept, minimizes dead time in EtherCAT communication; KeConnect C2 module can be directly extended through K-bus; Total power consumption 62.5W, IP20 protection, with polarity reversal protection

Temperature measurement module: TM 2xx/A series

Specially designed for temperature acquisition, available in thermocouple and PT100 types, supporting internal and external cold end compensation, with high measurement accuracy, suitable for industrial temperature monitoring scenarios. Key parameters are shown in the table below:

Model Core Configuration Measurement Type Key Characteristics

TM 220/A 3-channel temperature input, 14 bit resolution J/K/L thermocouple 707V DC electrical isolation, -100~700/1000 ℃ range, 25 ℃ error ± 1.0 ℃ (typical ± 0.5 ℃), external compensation ± 0.5 ℃

TM 240/A 6-channel temperature input, 14 bit resolution J/K/L thermocouple with consistent characteristics with TM220/A, measurement time of 100ms, thermal stability time of 20 minutes

TM 225/A 4-channel temperature input, 14 bit resolution PT100 thermal resistor 2/4-wire system optional, -100~850 ℃ range, LSB=0.058 ℃, 25 ℃ error ± 0.02% full range, 15Hz first-order filtering

Core commonality: All have sensor fault detection capabilities, thermocouple type supports standard temperature/microvolt voltage dual display mode, PT100 type compensates for wire interference through a 4-wire system, and measurement accuracy far exceeds industrial conventional requirements.

Positioning module: MM 240/A

Specially designed for position detection, integrating incremental encoder input and latch input, supporting position/velocity measurement, suitable for motion control scenarios, core parameters:

Encoder input: 2 channels, 32-bit resolution, maximum 250kHz differential frequency, supports single/double/quadruple frequency resolution, 1MHz quadruple frequency pulse rate

Speed measurement: 50MHz internal clock gating measurement, 24 bit counter, minimum detectable speed is pulse duration>0.33s

Latch input: 2 channels, 20 μ s response time, configurable fill/pull current, latch event timestamp with 1 μ s resolution

Encoder power supply: 24V DC (100mA per channel), 5V DC (5.05V ± 4%), with overload/short circuit protection

Additional features: Encoder zero track monitoring, A/B/Z phase fault detection, support counter status zero pulse latch

Communication module

Covering three major categories: serial interface, industrial fieldbus, and bus coupler, it supports mainstream industrial communication protocols and can achieve local/remote I/O expansion, high-speed communication between controllers and peripherals. The core models and characteristics are shown in the table below:

Module Type Core Model Communication Interface Key Features

Serial module SM 210/A/220/A/230/A 2xRS232/1xCurrent Loop/2xRS485/422 full duplex, 1200-115200bit/s, Current Loop supports 1000m transmission, SM250/A includes 4 SSIs (up to 1Mbit/s)

PROFIBUS FM 265/A PROFIBUS DP Slave (DPV1) 9.6k-12Mbit/s, 1200m (9.6k)/100m (12M), signal line electrically isolated, maximum 1 channel per CPU

SERCOS III FX 271/B SERCOS III main station (100Mbit/s)+2x Ethernet PCI slots (CP24x/26x), RJ45 interface, signal line electrical isolation, compatible with motion control

CANopen FM 200/A/FX 200/A 2x/1xCANopen 125k-1Mbit/s， 9-pin D-SUB, terminal resistor can be bridged, FM200/A is directly connected to CPU, FX200/A is an optional module

Bus coupler BL 210/B/27x/A/B CANopen/EtherCAT slave station BL210/B is a CANopen coupler, with BL27x/A containing 4 digital inputs and BL27x/B containing 4 digital outputs, supporting EtherCAT-K-bus remote expansion

Ethernet NX 252/A 10/100Mbit/s Ethernet PCI slot (CP26x), RJ45 interface, signal line electrical isolation, LED transceiver display

Serial options SX 210/A/220/A/230/A 1xRS232/Current Loop/RS485/422 direct insertion CP23x/26x, full duplex, 31g ultra light, IP20 protection

Core commonality: All communication modules have high anti-interference ability, support module detection, some models have electrical isolation, and bus couplers can achieve remote I/O island deployment, meeting the distributed control requirements of large industrial systems.

General power consumption and weight

Most small-sized modules (digital/analog/temperature/serial) weigh between 130g and 142g, the compact module IM 270/W weighs 880g, and the communication option module (FX200/A, SX2x0/A) is as light as 27g/31g; In terms of power consumption, K-bus 24V power consumption is mostly 0-3.6W, 5V power consumption is mostly 0.3-1.5W, and the total power consumption of compact modules is the highest at 62.5W.