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Industrial Automation
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Industrial Equipment
Motors & Motion Control
4 Channel HART Input Module
PLX51-HART-4I
The PLX51-HART-4I allows users to easily connect their existing HART-compatible field devices to EtherNet/IP™, Modbus® TCP/IP, and DNP3 Ethernet networks. The module can be used to connect HART Input devices such as process instruments into an Ethernet network.
The PLX51-HART-4I supports up to 4 channels of HART communication, as well as Analog 4-20 mA signals for real-time process variables to/from the HART-compatible device.
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Features and BenefitsSupport for point-to-multipoint network, maximum of 7 devices (EtherNet/IP only)
Support for point-to-point networks with EtherNet/IP, Modbus TCP/IP or DNP3 (TCP/UDP) protocols
Support for point to multipoint networks with EtherNet/IP and Modbus TCP/IP protocols
Support for automatic configuration in Multidrop mode for Logix Controllers
Support for PCCC (AB-ETH) protocol, allowing legacy controllers to easily interface to HART modules
Support for Factory Talk View for point to point and multidrop HART devices
EtherNet/IP enables a HART device to be added directly into a Rockwell Automation® Logix I/O tree
Modbus TCP/IP enables a HART field device to be viewed as a Modbus Slave device
DNP3 converts a HART field device into a DNP3 Outstation (slave) supporting Secure Authentication
DTM (Device Type Manager) / HART Pass-through is available for simplifying device configuration and management using an FDT frame
Built-in webserver provides detailed diagnostics of system configuration and operation as well as field device diagnostics
Can be used in a redundant ControlLogix® controller system
Advanced Diagnostics automatically extracted and written to Logix Tag
Specifications
HART 4 Channel Input
| Specification | Description |
| Number of Channels | 4 |
| ADC Resolution | 12 bit |
| Input Impedence | 247.5 Ω |
| Accuracy (Calibrated 25°C) | < 0.15 % |
| Accuracy (Uncalibrated) | < 0.30 % |
| Range | 0 to 22 mA |
| Current limit | 34 mA |
EtherNet/IP
| Specification | Description |
| Connector | RJ45 |
| Conductors | CAT5 STP/UTP |
| ARP Connections | Max 20 |
| TCP Connections | Max 20 |
| CIP Connections | Max 10 |
| Communication Rate | 10/100 Mbps |
| Duplex Mode | Full / Half |
| Auto MDIX | Yes |
Modbus TCP/IP
| Specification | Description |
| Function Codes Supported |
1: Read Coils 2: Read Discrete Inputs 3: Read Holding Registers 4: Read Input Registers |
DNP3
| Specification | Description |
| Mode Supported | DNP3 Outstation |
| Application Functions Supported | Read Write Select/Operate Direct-Operate Direct-Operate-No-Response Authentication Request Authentication Response |
| Unsolicited Response Supported | No |
| DNP3 Events Supported | No |
DNP3 Secure Authentication
| Specification | Description |
| Key Change Method Supported | Pre-shared |
| MAC Algorithms Supported | HMAC SHA-1 encryption (4 octets, serial) – for legacy support HMAC SHA-1 encryption (8 octets, serial) HMAC SHA-1 encryption (10 octets, networked) HMAC SHA-256 encryption (8 octets, serial) HMAC SHA-256 encryption (16 octets, networked) AES-GMAC (12 octets) |
| Key Wrap Algorithms Supported | AES-128 Key Wrap AES-256 Key Wrap |
| Aggressive Mode Supported | No |
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