Opto 22

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KB80959
InfoKB: Design changes to Ethernet interface on Ultimate I/O and Ethernet I/O
Revision:  1.0
Published:  6/21/2010
Applies To
Firmware and Hardware for:
SNAP-UP1-ADS
SNAP-UP1-D64
SNAP-UP1-M64
SNAP-B3000-ENET
SNAP-ENET-D64
SNAP-ENET-S64
SNAP-ENET-RTC
Versions
Hardware version:  
5/24/2010
Ultimate I/O use firmware:  
R7.2i
Ethernet I/O use firmware:  
R7.1i

DESCRIPTION

Component changes to the Ethernet interface on Ultimate and Ethernet I/O units requires that units with hardware revision 5/24/2010 or newer, use Ultimate I/O firmware version R7.2i or Ethernet I/O firmware version R7.1i, or newer. These changes were necessary due to a component on the I/O units that was previously used and is no longer available.

The Ultimate I/O units affected are:

SNAP-UP1-ADS
SNAP-UP1-D64
SNAP-UP1-M64

The Ethernet I/O units affected are:

SNAP-B3000-ENET
SNAP-ENET-RTC
SNAP-ENET-D64
SNAP-ENET-S64

Firmware versions R7.2i (Ultimate I/O) and R7.1i (Ethernet I/O) and newer are compatible with all versions of these I/O units. If a firmware version older than R7.2i (Ultimate I/O) or R7.1i (Ethernet I/O) is used with a newer hardware unit, various unexpected behaviors can occur. Possible late collisions can occur or be inaccurately detected, as well as the ETD LED showing Ethernet activity instead of Ethernet transmit activity.

How to Identify Newer I/O units:

The easiest way to identify new units is to use PAC Manager to inspect the hardware version (Tools > Inspect > Status Read). The hardware version is listed as I/O Unit Hardware Revision (Month), I/O Unit Hardware Revision (Day), and I/O Unit Hardware Revision (Year).

Also, the units with the newer Ethernet interface components are identified as revision K. Revision K is printed on the Ethernet communication card inside the I/O unit as 6988K.

The updated hardware also has an Ethernet connector with LEDs as shown in this example:

Relevant Downloads
No relevant downloads have been specified.
Questions? Contact Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com

DISCLAIMER

This Opto 22 Knowledge Base ('OptoKB') article is intended to provide general technical information on a particular subject or subjects and is not an exhaustive treatment of such subjects. Accordingly, the information in this OptoKB article is not intended to constitute application, design, software, or other professional engineering advice or services. Opto 22 may modify the OptoKB articles at any time. Before making any decision or taking any action which might affect your equipment, you should consult a qualified professional.

OPTO 22 DOES NOT WARRANT THE COMPLETENESS, TIMELINESS, OR ACCURACY OF THE DATA CONTAINED IN THIS OPTOKB ARTICLE AND MAY MAKE CHANGES THERETO AT ANY TIME AT ITS SOLE DISCRETION WITHOUT NOTICE. FURTHER, ALL INFORMATION CONVEYED HEREBY IS PROVIDED TO USERS 'AS IS.' IN NO EVENT SHALL OPTO 22 BE LIABLE FOR ANY DAMAGES OF ANY KIND INCLUDING DIRECT, INDIRECT INCIDENTAL, CONSEQUENTIAL, LOSS PROFIT, OR DAMAGE, EVEN IF OPTO 22 HAS BEEN ADVISED ON THE POSSIBILITY OF SUCH DAMAGES.

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