FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * COHN JOHN D   2. Issuer Name and Ticker or Trading Symbol ROCKWELL AUTOMATION INC [ROK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. Vice President (Last) (First) (Middle) 1201 SOUTH SECOND STREET, 7F-19 3. Date of Earliest Transaction (Month/Day/Year) 05/01/2006 (Street) MILWAUKEE, WI 53204 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/01/2006   M   11,000 A $ 20.349 26,142 (1) D   Common Stock 05/01/2006   S   10,900 D $ 72.82 15,242 (1) D   Common Stock 05/01/2006   S   100 D $ 72.9 15,142 (1) D   Common Stock               8,390.3773 (2) I Savings Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee stock option (right to buy)

$ 21.9479

06/01/2000

06/01/2009

Common Stock

10,000

10,000

D

Employee stock option (right to buy)

$ 20.349

05/01/2006

M

11,000

10/04/2000

10/04/2009

Common Stock

11,000

$ 0

1,900

D

Employee Stock Option (right to buy)

$ 27.75

10/06/2004(3)

10/06/2013

Common Stock

45,000

45,000

D

Employee Stock Option (right to buy)

$ 43.9

11/08/2005(3)

11/08/2014

Common Stock

40,000

40,000

D

Employee Stock Option (right to buy)

$ 56.36

11/07/2006(3)

11/07/2015

Common Stock

18,200

18,200

D

Common Stock Share Equivalents

(4)

(5)

(5)

Common Stock

549.2183

549.2183 (4)

I

Nonqual. Savings Plan

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
COHN JOHN D 1201 SOUTH SECOND STREET 7F-19 MILWAUKEE, WI 53204			Sr. Vice President

Signatures

K. A. Balistreri, Attorney-in-Fact for John D. Cohn		05/02/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	1,400 shares are held by the Company to implement restrictions on transfer unless and until certain conditions are met.
(2)	Includes shares represented by Company stock fund units acquired under the Company's Savings Plan since the date of the reporting person's last ownership report, based on information furnished by the Plan Administrator as of 5/1/2006.
(3)	The option vests in three substantially equal annual installments beginning on the date exercisable.
(4)	Includes share equivalents represented by Company stock fund units acquired under the Company's Nonqualified Savings Plan since the date of the reporting person's last ownership report, based on information furnished by the Plan Administrator as of 5/1/2006. The number of share equivalents represented by the balance of a participant's Company stock fund account may not exactly equal the number of share equivalents represented by a prior balance plus additions due to variances in the proportion of uninvested cash held in the reference fund used to determine unit values of the Company stock fund under the Plan.
(5)	The share equivalents are payable in cash upon retirement or after termination of employment.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.