Eaton UltraShift PLUS EO-11E406B-PV, Installation Manual

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System Integration Specifications
Gear Display
The OEM is responsible for supplying the Gear Display, wiring, and its location per FMVSS.
Note: Gear Display is NOT part of any Eaton shift device.
Gear display is required for proper operation of Eaton UltraShift PLUS PV models. Gear Display shall interface with any Eaton
product by either SAE J1939 (ETC2) or J1587 (PID 226). The gear display offers real-time information pertaining to current
engaged gear, engagement status during gear shifting, transmission synchronization during shifting, transmission fault status,
diagnostic code information.
Gear display shall adhere to the following requirements.
• As a minimum, gear display shall support two character alphanumeric messages with the addition of two sets of display
arrows (up and down) either side of the numerals.
• As a minimum, gear display shall be able to display all two character numeric combinations and alphanumeric
combinations listed in the following table. It is preferred that the gear display support all uppercase letters to support
product enhancements.
• For J1587, display time of a message shall be set to 5 seconds to avoid display blanking during heavy bus loads.
• Driver shall be able to clearly see the display from the normal driving position continuously during vehicle operation.
• Gear Display shall be capable of displaying messages within 2 seconds of ignition key-on.
• In order to provide real-time feedback of the selection/shifting/engagement process of transmission, the device shall be
able to display the received message within 75 Milliseconds.
• Whenever bus communications are active and anytime ETC2/PID 226 message is not received within 5 seconds of the
last valid message or message received contains a character not supported, the display shall be blank.
• Whenever bus communications are not active, a “**” shall be displayed.
Note that the alphanumeric character in byte 7 is to be displayed to the left of the alphanumeric character in byte 8. If only one
character is required, then byte 7 shall contain an ASCII space. Byte 8 shall contain the single character.
Defined Control Characters
When a control action is sent, the display characters shall not change. For example, if a ‘4’ was shown prior to an arrow being
displayed, then a ‘4’ will remain on the display while the request for an arrow is given.
Control Type Byte 7 Byte 8 Bits 8 7 6 5 4 3 2 1
Up / Down Arrow 0x00 No Arrow
Up Arrow
Down Arrow
Up Arrow & Down Arrow -
-
-
- -
-
-
- -
-
-
- -
-
-
- -
-
-
- -
-
-
- 0
0
1
1 0
1
0
1
Tone (Cadence
controlled by
Generation 3) 0x00 Tone Off
Tone On
Undefined
Undefined -
-
-
- -
-
-
- -
-
-
- -
-
-
- 0
0
1
1 0
1
0
1 -
-
-
- -
-
-
-
Reserved 0x00 Default Unused State 1 1 1 1 - - - -
!