U-7555M
OPC UA I/O Module with 8-ch DI, 8-ch DO communicable over MQTT protocol and 2-port Ethernet Switch
Features
- Built-in Web Server to Provide the Web User Interface
- Built-in OPC UA Server
- Support MQTT Client Communication Protocol
- Built-in I/O Channels (8 x DI and 8 x DO)
- 2-port Ethernet Switch for Daisy-Chain Topology
- IEEE 802.3af-compliant Power over Ethernet (PoE)
Introduction
UA-7555M is an OPC UA I/O module that provides 8 digital input channels and 8 digital output channels. It has a built-in two-port Ethernet switch to implement daisy-chain topology. The cabling is much easier and total costs of cable and switch are significantly reduced. UA-7555M follows IEEE 802.3af compliant Power over Ethernet (PoE) specifi cation. It allows receiving power from PoE enabled network by Ethernet pairs. This feature provides greater flexibility and efficiency to simplify system design, save space, and reduce wirings and power sockets.
UA I/O provides OPC UA server and MQTT client function in industrial networking communication. Users can choose the networking mode according to their needs and environment, to transmit the values of built-in I/O channels to the cloud IT system or field control system for reading and writing.
Specifications
| Software | |
| Protocol | * OPC UA Server • OPC Unified Architecture: 1.02 • Core Server Facet • Data Access Server Facet • Method Server Facet • UA-TCP UA-SC UA Binary • User Authentication: Username/Password, X.509 Certificate • Security Policy: None, Basic128Rsa15 (Sign, Sign & Encrypt), Basic256 (Sign, Sign & Encrypt) • Recommend to keep the max. number of sessions within 3 connections. * MQTT Client • Connect to the MQTT Broker to read or control the I/O channel value by the publish/subscribe messaging mechanism. (MQTT Ver. 3.1.1; TLS Ver. 1.2) |
| Function | Web Interface for Configuration |
| CPU Module | |
| CPU | 32-bit CPU (400 MHz) |
| Isolation | |
| Intra-module Isolation | 2500 VDC |
| EMS Protection | |
| EFT (IEC 61000-4-4) | ±2 kV for Power Line |
| ESD (IEC 61000-4-2) | ±4 kV Contact for each terminal and ±8 kV Air for random point |
| Surge (IEC 61000-4-5) | ±2 kV for Power Line |
| LED Indicators | |
| Status | 1 x PoE Power 1 x System Running 1 x Ethernet Link/Act 16 x I/O Channel Status |
| Digital Input/Counter | |
| Channels | 8 |
| Type | Dry + Wet Contact |
| Sink/Source (NPN/PNP) | Dry: Source Wet: Sink/Source |
| Wet Contact, ON Voltage Level | +10 VDC ~ +50 VDC |
| Wet Contact, OFF Voltage Level | +4 VDC Max. |
| Dry Contact, ON Voltage Level | Close to GND |
| Dry Contact, OFF Voltage Level | Open |
| Dry Contact, Effective Distance | 500 M Max. |
| Max. Counts | 16-bit (65535) |
| Frequency | 50 Hz |
| Min. Pulse Width | 10 ms |
| Input Impedance | 10 kΩ |
| Overvoltage Protection | +70 VDC |
| Digital Output | |
| Channels | 8 |
| Type | Isolated Open Collector |
| Sink/Source (NPN/PNP) | Source |
| Load Voltage | +10 VDC ~ +40 VDC |
| Max. Load Current | 650 mA/Channel at 25°C |
| Overvoltage Protection | 47 VDC |
| Short-Circuit Protection | Yes |
| Ethernet | |
| Ports | RJ-45 x 2, 10/100 Base-TX, Swtich Ports (LED indicators) |
| PoE | Yes |
| Power | |
| Reverse Polarity Protection | Yes |
| Input Range | 12 ~ 48 VDC |
| Consumption | 3.7 W |
| Powered from PoE | Yes, IEEE 802.3af, Class 1 |
| Powered from Terminal Block | Yes, 12 ~ 48 VDC |
| Mechanical | |
| Dimensions (mm) | 97 x 120 x 42 (W x L x H) |
| Installation | Wall Mounting |
| Environmental | |
| Operating Temperature | -25 ~ +75°C |
| Storage Temperature | -30 ~ +80°C |
| Humidity | 10 ~ 90% RH, Non-condensing |
References and Support
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