Eaton C440/XTOE User Manual
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Eaton C440/XTOE User Manual

Electronic overload relay, modbus
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C440/XTOE Electronic Overload Relay, Modbus
User Manual
Effective March 2011
New Information

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Summary of Contents for Eaton C440/XTOE

  • Page 1 C440/XTOE Electronic Overload Relay, Modbus User Manual Effective March 2011 New Information...
  • Page 3 The information, recommendations, descriptions, and safety notations in this document are based on Eaton Electrical Inc. and/or Eaton Corporation’s (“Eaton”) experience and judgment, and may not cover all contingencies. If further information is required, an Eaton sales office should be consulted.
  • Page 4 C440/XTOE Electronic Overload Relay, Modbus Support Services The goal of Eaton is to ensure your greatest possible satisfaction with the operation of our products. We are dedicated to providing fast, friendly, and accurate assistance. That is why we offer you so many ways to get the support you need. Whether it’s by phone, fax, or e-mail, you can access Eaton’s support information 24 hours a day, seven days a week.

  • Page 5: Table Of Contents

    Comm Loss Behavior (Reg 441) ........C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 6 Modbus Wiring Configuration..........C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 7 Comm Loss Behavior ........... C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 8: Definitions And Symbols

    Always work with another person in case an emergency occurs. Disconnect power before checking controllers performing maintenance. Be sure equipment is properly grounded. Wear safety glasses whenever working on electronic controllers or rotating machinery. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 9: Introduction

    Introduction Introduction System Overview Motor Control Eaton’s new electronic overload relay (EOL) is the most Two B600 alarm (NO) and fault (NC) contacts ● compact, high-featured, economical product in its class. Designed on a global platform, the new EOL covers the entire Test/Trip button ●...

  • Page 10: Standards And Certifications

    Safety IP 20 rated terminal blocks ● Available in Eaton’s industry leading FlashGard MCCs ● Tested to the highest industry standards such as UL, CSA, ● CE, and IEC RoHS compliant ● C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 11: Electronic Overload Education

    (single-phasing) phase, open fuse, and so on. in addition to the results of below 50% of the other two unbalanced phases as phases. listed above. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 12: Technical Data And Specifications

    25–30 lb-in (2.8–3.4 Nm) 25–30 lb-in (2.8–3.4 Nm) Input, auxiliary contact and remote reset terminals Terminal capacity 2 x (18–12) AWG 2 x (18–12) AWG Tightening torque 5.3 lb-in (0.8–1.2 Nm) 5.3 lb-in (0.8–1.2 Nm) C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 13 Make contact (3600 VA) 120V 240V 480V 7.5A 7.5A 600V Break contact (360 VA) 120V 240V 1.5A 1.5A 480V 0.75A 0.75A 600V 0.6A 0.6A R300— Vdc ratings (28 VA) 0–120V 0.22A 0.22A 250V 0.11A 0.11A C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 14 ±4 kV using direct method IEC 60947-4-1 (Table 13) with accessory installed in expansion bay with accessory installed in expansion bay IEC 61000-4-4 ±2 kV using direct method ±2 kV using direct method C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 15: Short Circuit Ratings

    Changes to UL 508A and NEC in recent years have brought a focus to control panel safety with regard to short-circuit current ratings (SCCR). Eaton’s C440 electronic overload relays combined with XT series IEC and Freedom Series NEMA contactors provide a wide variety of SCCR solutions needed for a variety of applications. The SCCR data in this document reflects the latest information as of April 2010.

  • Page 16: Nema Freedom Series Starters With C440 Electronic Overload Relays

    480V 600V Fuse Size 480V 600V Breaker Size 1–5A — — — 4–20A — — — 1–5A — — — 4–20A — — — 9–45A — — — 9–45A 20–100A 20–100A 20–100A C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 17: Receipt/Unpacking

    Inspect the equipment upon delivery. Report any crate or carton damage to the carrier prior to accepting the delivery. Have this information noted on the freight bill. Eaton is not responsible for damage incurred in shipping. Expansion...

  • Page 18: C440-Com-Adp Communication Module

    Rotate module up and gently click the base unit and C440-XCOM module together. 1–24 Vdc 1–COM Connect the appropriate network cable and IO 2–D1 connector if desired. 4–COM 4–D0 5–DI C441x Communication Module 5–24 Vdc 6–DO C440-COM-ADP C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 19: Input Behavior

    0, no reset Set to 1 to give power reset param P.05 asserted cycle reset (soft reset). Clears after reset. asserted. Note: To enable comm. loss behavior, write 0X0088 to register 400. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 20: Modbus Settings

    EIA-485 for details Note: All 32 bit values are Low word first. For example: 0xLLLL (register 1), 0xHHHH (register 2). Note: Scaled current values are scaled using the “Current Reported Multiplier” register. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 21: Modbus Registers

    DIP switch position 3 12-15 Reserved Device temperature in degrees C The temperature as seen by the microcontroller. Accuracy ~ 10%. Boost capacitor voltage (mV) The voltage of the internal power supply cap—in milliVolts. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 22 The firmware revision is represented as 0xMMmm. Where M = Major revision, m = minor revision. Firmware build The firmware build is a 16 bit number. 0xbbbb - b = build number. Firmware checksum The 32 bit checksum of the code. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 23: Additional Modbus Registers

    Field relay outputs The relay output register is a bitfield. Bit 0 corresponds to relay out 1 and bit 1 corresponds to relay out 2. 1601 — — — Field relay output 1 C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 24 (written) to the device. Note that the values must be Modbus Register Address (i.e., Register Number–1) not Register Number. C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 25: Modbus Addressing

    0x06 command returns the requested value, not what was actually written. A subsequent read of this VendorURL parameter will return the actual value that it was set to. ProductName ModelName UserApplicationName C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...

  • Page 26: Comm Loss Timeout (Reg 440)

    3 seconds, send (Comm Watch Dog Disable) to the Command Register. 3000 to this register. Comm Loss Behavior Behavior Reset Code Notes Fault Default, if enabled Hold last state — C440/XTOE Electronic Overload Relay, Modbus MN04210004E—March 2011 www.eaton.com...
  • Page 28 Cleveland, OH 44114 United States 877-ETN-CARE (877-386-2273) Eaton.com ©2011 Eaton Corporation All Rights Reserved Eaton is a registered trademark of Eaton Printed in USA Corporation. All other trademarks are Publication No. MN04210004E / Z10844 property of their respective owners. March 2011...

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