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XM-440 Master Relay Module

Click to enlarge - 440


440 Master Relay Module

The XM® series from Rockwell Automation is the world’s first machine monitoring and protection system designed as a distributed network of modules deployed on an open standard industrial bus.

The XM-440 Master Relay combines 4 relay outputs with XM®bus master capabilities to provide remote, shared and voted relay operation for distributed XM® measurement modules.

The XM-440 offers 4 high power relays suitable for use in most protection applications. The module also supports linking of one or two XM-441 Expansion Relay modules thereby providing a total capacity of up to 12 relays. The module offers “A out of B” style voting logic. The logic, defined uniquely per relay, can be applied to alarm status broadcast from XM measurement modules located anywhere on the DeviceNet bus, including modules of different types. This capability, combined with the individual alarm and relay logic within each measurement module, provides the most versatile and powerful relay logic system available today.

In addition to relay management the XM-440 can signal any number of modules, each of up to four groups, to save their trend/trip data upon activation of any XM-440 relay.

Configuration can be performed remotely via the DeviceNet network, or locally by a PC connected to the integral serial interface. A CD containing the Serial Configuration Utility software and the XM™ Installation and Users Guides is included with every XM™ measurement and relay module sold.


Specifications


Communications


DeviceNet:

  • Standard DeviceNet protocol for all functions
    NOTE: The XM-440 uses only the DeviceNet protocol, not power. Module power is provided independently.
  • Available Electronic Data Sheet (EDS) file provides support by most DeviceNet compliant systems
  • Baud rate: auto-baud or 125kb, 250kb or 500kb


Side Connector:

All XM measurement and relay modules include side connectors that allow interconnecting adjacent modules thereby simplifying the external wiring requirements. The Interconnect provides primary power, DeviceNet communication and the circuits necessary to support expansion modules such as the XM-441Expansion Relay module.


Serial: ¬ 

  • RS-232 via mini-connector or terminal block


¬ NOTE: Local Configuration via Serial Utility Program

Indicators


6 LEDs:

  • Module Status - red/green
  • Network Status - red/green
  • Relay 1 - off/red
  • Relay 2 - off/red
  • Relay 3 - off/red
  • Relay 4 - off/red

Relays


Number:

  • Four, two sets of contacts each - DPDT (2 Form C)
  • Four or eight additional relays when linked to one or two XM-441 Relay Expansion modules


Relay Rating:

  • Max. Voltage = 150 Vdc, 250 Vac
  • Max. Current = 3 A
  • Min. Current = 100 mA @ Vdc
  • Max. Power = 240W, 750 VA


For Expansion Relay Rating refer to XM441 Technical data sheet ENMON-TD441A-EN-P

Alarm


Failsafe:

  • Normally energized (failsafe), or
  • Normally de-energized (non-fail-safe)


Latching:

  • Latching, or
  • Non-latching


Time Delay:

0 to 25.5 seconds in 100msec increments


Voting Logic:

Per relay, defined as "A out of B" where "B" is up to 16 alarms from any measurement module(s) on the bus and "A" is from 1 to "B"


Reset:

  • Local reset switch on top of module
  • Remote reset switch wired to terminal base
  • Digital reset command via serial or DeviceNet interface


Activation On:

  • Alarm Status
    • Normal
    • Alert
    • Danger
    • Disarm
  • Transducer Fault
  • Module Fault
  • Tachometer Fault
  • Unknown ¬ 


¬ The “Unknown” state indicates that the alarm status is not known, which indicates that the (alarms) module is off line or is unreachable (network fault).

Event Management

Can send a “trigger” signal to XM modules in any of up to four groups when any or all relays associated with the group actuate. Capability provides for forcing all modules in a group, typically all modules monitoring the same machine, to capture their event trend and trip spectra / time waveform upon a common event initiated, or indicated, by an XM-440 relay actuation.

Event Log

Retains a First-In-First-Out log of the last 128 events observed on the DeviceNet network. Events logged include any alarm or relay status change, any set point multiplier status change, and anytime that the XM-440’s configuration is changed.

Non-Volatile Configuration

A copy of the module configuration is retained in nonvolatile memory from where it is read upon power up.¬ 

¬ The configuration stored in Non-Volatile memory can only be deleted by module reset command sent via the serial interface, using the Serial Configuration Utility, or via DeviceNet from any compliant software application.

Power

Module: 21.6 – 26.4Vdc
Consumption: Max: 120mA
Typical: 165mA
Heat Production Max: 3.4 W (11.6 BTU/hr)
  


Redundant Power: All XM Measurement and Relay modules support redundant power. Each module includes redundant power inputs on its terminal base.

Approvals

Click to enlarge - approval logos



CE, C-Tick, ODVA
CSA Class I, Div 2, Groups A, B, C,
D
UL
EEX

Environmental

Operating Temperature -20 … +65ºC (-4 to 149ºF)
Storage Temperature -40 … +85ºC (-40 to 185ºF)
Relative Humidity 95% non-condensing
  


Conformal Coating

All printed circuit boards are conformal coated:

  • Per material specifications MIL-I-46058C / IPC-CC-830
  • In accordance with IPC-A-610C

Physical

Dimensions:
Height 3.8in(97mm)
Width 3.7in(94mm)
Depth 3.7in(94mm)
  

Ordering Information

Cat. No. Description
1440-RMA00-04RC XM Serial Communications Cable¬ 
1440-TB-D Terminal Base Type D for XM-441
1440-SCDB9FXM2 XM Serial Communications Cable
  


¬ Requires Terminal Base C