Compact CODESYS-based controller

  • 16 DI (4 fast), 16 DO (4 fast)
  • High speed counter input/PTO and PWM outputs
  • Ethernet TCP/IP, Serial, USB and CAN interface
  • CANopen Master interface
  • 3G/4G/WiFi (external accessory via USB port)
  • SQL integration
  • DNV certified
Contact Print (PDF)



Part number 66.016.120-5
Warranty 2 year
Digital inputs (DI) 16
Digital outputs (DO) 16
Ethernet TCP/IP interface 1
RS-485 serial interface 1
CAN interface 1
CANOpen Master protocol Yes
J1939 Manager protocol Yes
USB host port 1
Addressable input variables memory (%I) 2 KB
Addressable output variables memory (%Q) 2 KB
Addressable variables memory (%M) 1 KB
Symbolic variables memory 2 MB
Program memory 2 MB
Retain/persistent memory (user configurable) 7.5KB
Source code memory (backup) 26 MB
User files memory (backup) 8 MB
Maximum number of tasks 5
Programming languages Instruction List (IL), Structured Text (ST), Ladder Diagram (LD), Sequential Function Chart (SFC), Function Block Diagram (FBD), Continuous Function Chart (CFC)
Online changes Yes
Watchdog Yes
Real-time clock (RTC) Yes
Real-time clock (RTC) resolution Resolution of 1 ms, max. variance of 3 seconds per day, retention time of 14 days
Status and diagnostic indication LEDs, web pages and CPU’s internal memory
Isolation, Protective earth to all 1,500 Vac / 1 minute
Isolation, Logic/RS-485/CAN/USB to all 1,500 Vac / 1 minute
Isolation, Ethernet to all 1,500 Vac / 1 minute
Isolation, Power supply/analog I/O to all 1,500 Vac / 1 minute
Isolation, Digital inputs to all 1,500 Vac / 1 minute
Isolation, Digital inputs group I0x to I1x 1,000 Vac / 1 minute
Isolation, Digital outputs to all 1,500 Vac / 1 minute
Maximum power dissipation 5 W
Maximum wire size 0.5 mm² (20 AWG) with ferrule, 1.5 mm² (16 AWG) without ferrule
IP level IP 20
Conformal coating Yes
Operating temperature -20 to 60 °C
Storage temperature -25 to 75°C
Operating and storage relative humidity 5 to 96 %, non-condensing
Standards IEC 61131-2, CE, Electromagnetic Compatibility (EMC) and Low-Voltage Directive (LVD)
Module dimensions (W x H x D) 215.5 x 98.8 x 34.0 mm
Package dimensions (W x H x D) 270.0 x 102.0 x 40.0 mm
Weight 370 g
Weight with package 430 g


General CE, UL, UL 61010-2-201, cUL
Marine DNV

Power supply

Nominal input voltage 24 Vdc
Input voltage 19.2 to 30 Vdc
Maximum input current (in-rush) 50A / 300 us
Maximum input current 300mA

Digital inputs

Input type Optoisolated sink type 1. Two isolated groups of 8 inputs each
Input voltage 24 Vdc, 15 to 30 Vdc for logic level 1, 0 to 5 Vdc for logic level 0
Input impedance 4.95 kΩ
Maximum input current 6.2 mA @ 30 Vdc
Input state indication Yes
Response time 0.1 ms
Input filter 2 ms to 255 ms – by software. The filter sampling is performed on MainTask (or Refresh function), then it's recommended to use multiple values of the task interval

Transistor digital outputs

Output type Optoisolated transistor source type
Maximum output current 1.5 A per output. 12 A total
Leakage current 35 µA
On state resistance 105 mΩ
External power supply 19.2 to 30 Vdc
Switching time 20 us - off-to-on transition @ 24 Vdc. 500 us - on-to-off transition @ 24 Vdc
Maximum switching frequency 250 Hz
Configurable parameters Yes
Output state indication Yes
Output protections Yes, protection against surge voltages


Connector 3-pin terminal block
Physical interface RS-485
Communication direction RS-485: half duplex
RS-485 maximum transceivers 32
Termination Yes (Configurable)
Baud rate 9600, 19200, 38400, 57600, 115200 bps
Protocols Master/Slave MODBUS RTU, Open protocol


Connector 3-pin terminal block
Physical interface CAN bus
CAN maximum nodes 64
Termination Yes (Configurable)


Connector USB A Female
Physical interface USB V2.0
Baud rate 1.5 Mbps (Low Speed), 12 Mbps (Full Speed) and 480 Mbps (High Speed)


Connector Shielded female RJ45
Auto crossover Yes
Maximum cable length 100 m
Cable type UTP or ScTP, category 5
Baud rate 10/100 Mbps
Physical layer 10/100 BASE-TX
Data link layer LLC
Network layer IP
Transport layer TCP (Transmission Control Protocol). UDP (User Datagram Protocol)
Application layer MODBUS TCP Client and Server, MODBUS RTU Master/Slave, OPC DA Server, OPC UA Server, HTTP Server, BCS Tools programming protocol, SNTP Client, SNMP Agent (Ethernet Network Management)
Diagnostics LED (Link/Activity)



File name Date
BCS Nexto/Nexto Xpress - UL/cUL certificate 10/3/2022 10:39:08 AM
BCS Nexto Xpress - UKCA Declaration 7/6/2023 11:22:57 AM
BCS Nexto Xpress - CE EMC/LVD Declaration 7/6/2023 11:21:04 AM
BCS Nexto Xpress - DNV approval 10/3/2022 10:41:44 AM

Information document

File name Date
BCS Tools/BCS Nexto/BCS Nexto Xpress - Revision history 6/10/2024 11:22:52 AM


File name Date
Brochure Nexto Xpress 9/26/2022 8:41:58 AM

Data sheets

File name Date
BCS Nexto Xpress - Technical datasheet 1/30/2024 9:53:58 AM

Configuration files

File name Date
BCS Nexto Xpress - CANopen configuration files 10/3/2022 10:24:12 AM
Limited availability


Compact CODESYS-based controller

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