Allen-Bradley 1783-EMS08T Managed Ethernet Switch

Manufacturer

Allen Bradley

Product type

Managed Ethernet switch

Product Line

Stratix 5700

Part Number

1783-EMS08T

UPC

612598718498

Weight

0.63 lbs (0.28 kg)

Functional Ground connection

3.3 mm2 (12 AWG) solid or stranded copper wire rated at 75 °C (167 °F) or greater

Wire size, DC power connection

0.33…3.3 mm2 (22...12 AWG) solid or stranded copper wire rated at 75 °C (167 °F) or greater, 1.2 mm (3/64 in.) insulation max

Wire size, Ethernet connection

RJ45 connector according to IEC 60603-7, 2 or 4 pair Category 5e minimum cable according to TIA 568-B.1 or Category 5 cable according to ISO/IEC 24702

Power Dissipation

5.8 W

Power Requirements

250 mA @ 24V DC (12…48V DC) Class 2/SELV Power Dissipation 30 W

Transmission speed

10/100 Mbps

No. of Ports

Eight (8)

Copper ports

8

Fiber port

1

Input voltage

12 to 48 Volts DC

Peak power dissipation

5.8 Watts

Peak thermal dissipation

24.6 BTU / hour

The Allen-Bradley 1783-EMS08T switch is a managed Ethernet switch. It comes with eight 10/100 Mbps rated RJ45 ports and an optional fiber port. The SFP modules supported by the switch include the 1783-SFP1GSX and 1783-SFP1GLX modules. The 1783-EMS08T switch is part of the Stratix 6000 series. The rated power input for the 1783-EMS08T switch is 250 milliamps at 24 Volts DC. The range of input voltages supported by the switch is 12 to 48 Volts DC. The peak power dissipation for the 1783-EMS08T switch is 5.8 Watts and the peak thermal dissipation is 24.6 BTU/hour at 60 degrees Celsius. The network protocols supported by the switch include the TCP/IP, Ethernet/IP, Telnet, Http, DHCP, BOOTP, FTP, IGMP, and the SMTP protocols. There are a total of 16 port indicators and 3 status indicators on the 1783-EMS08T switch. The Ethernet/IP features available on the 1783-EMS08T switch include active connections, bandwidth alarming, and port control features. Switch features available include VLAN, port mirroring, DHCP server, IGMP snooping, and IGMP query features. The maximum inrush current level for the switch is 2.2 Amps. The working temperature range and the storage temperature range for the 1783-EMS08T switch are 32 to 140 degrees Fahrenheit and -40 to 185 degrees Fahrenheit, respectively. The switch is sensitive to ESD (electrostatic discharge). Therefore, safety precautions when handling the device must be observed which includes wearing of a grounded wristrap, touching a grounded object to discharge static electricity, touching of electronic components should be avoided, and the switch should be stored in static-safe packaging when not in use. In hazardous environments, the wiring should only be connected when power is disconnected.

This module is provided with status indicators composed of Sixteen (16) port indicators for reporting of link and activity and Three (3) status indicators used to report the overall module operation, mode diagnostic. This module features MAC ID management, bandwidth alarming, port control, link status, scaled bandwidth information, connections active.

The 1783-EMS08T supports expansion and installation of 1 Gigabyte Fiber Optic Transceiver or Single Form-factor Pluggable interface for interfacing Fiber Optic medium used for faster and noise immune communication network.

For wiring of Ethernet interface, recommended cable is Category 5e according to TIA 568-B.1 or Category 5 cable according to ISO/IEC 24702 standard. For Power connection, recommended wire size range is 0.33…3.3 mm2 or 22...12 AWG, solid or stranded copper wire with insulation rating of 75 °C or 167 °F or higher with maximum insulation of 1.2 mm or 3/64 inches. For ground connection, recommended wire is 3.3 mm2 or 12 AWG solid or stranded copper wire with insulation rating of 75 °C or 167 °F or higher. When terminating wires to the device’ power and ground terminals, required Torque is 1.36 Nm or 12 lb-inches.

1. How does the AB 1783-EMS08T optimize deterministic Ethernet communications within demanding industrial automation infrastructures?

The AB 1783-EMS08T is an unmanaged industrial Ethernet switch designed to facilitate reliable network connectivity, enabling efficient data transmission between controllers, HMIs, drives, and other automation devices.

2. Why is the AB 1783-EMS08T considered a robust networking solution for harsh manufacturing and process-control environments?

The AB 1783-EMS08T features an industrial-grade design with enhanced resistance to vibration, shock, and temperature fluctuations, ensuring dependable network performance in challenging operating conditions.

3. What advantages does the AB 1783-EMS08T provide when expanding a machine-level Ethernet architecture?

The AB 1783-EMS08T offers eight Ethernet ports that simplify device integration, reduce network complexity, and support scalable communication architectures without requiring extensive switch configuration.

4. How can the AB 1783-EMS08T contribute to improved operational continuity and network reliability in industrial facilities?

By providing stable, high-speed Ethernet connectivity and minimizing communication bottlenecks, the AB 1783-EMS08T helps maintain uninterrupted data exchange among critical automation assets.

5. Which deployment considerations should engineers assess before integrating the AB 1783-EMS08T into a mission-critical industrial network?

Engineers should evaluate network topology, bandwidth requirements, environmental conditions, power supply specifications, and device density to ensure the AB 1783-EMS08T delivers optimal communication performance and long-term reliability.

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