SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 3)

Transaction Systems Architects, Inc.
(Name of Issuer)

Common Stock
(Title of Class of Securities)

893416 10 7
(CUSIP Number)



Check the following box if a fee is being paid with this statement [ ].  
(A fee is not required only if the filing person:  (1) has a previous 
statement on file reporting beneficial ownership of more than five 
percent of the class of securities described in Item 1; and (2) has 
filed no amendment subsequent thereto reporting beneficial ownership of 
five percent or less of such class.)  (See Rule 13d-7).

*The remainder of this cover page shall be filled out for a reporting 
person's initial filing on this form with respect to the subject class 
of securities, and for any subsequent amendment containing information 
which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not 
be deemed to be "filed" for the purpose of Section 18 of the Securities 
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of 
that section of the Act but shall be subject to all other provisions of 
the Act (however, see the Notes).


13G

CUSIP NO.  893416 10 7


1)        NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Norwest Equity Capital, L.L.C.
            Tax Identification No.  41-1814661

2)        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)  [ ]
                                                               (b)  [ ]
3)        SEC USE ONLY

4)        CITIZENSHIP OR PLACE OF ORGANIZATION

            Minnesota

NUMBER OF          (5)  SOLE VOTING POWER
SHARES                    1,583,495(1)
BENEFICIALLY       (6)  SHARED VOTING POWER
OWNED BY                  0
EACH               (7)  SOLE DISPOSITIVE POWER
REPORTING                 1,583,495(1)
PERSON             (8)  SHARED DISPOSITIVE POWER
WITH                      0

9)         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             1,583,495(1)

10)        CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
           SHARES*

11)        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
             5.6%

12)        TYPE OF REPORTING PERSON*

             OO


_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock.  Each share of Class B Common Stock is
     convertible into one share of Class A Common Stock.  Shares of
     Class B Common Stock have no voting rights.  Under the Bank
     Holding Company Act of 1956, the reporting person may be
     restricted from owning more than five percent of the outstanding
     shares of Class A Common Stock.




13G

CUSIP NO.  893416 10 7


1)        NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Itasca NEC, L.L.C.
            Tax Identification No.  41-1815097

2)        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)  [ ]
                                                               (b)  [ ]
3)        SEC USE ONLY

4)        CITIZENSHIP OR PLACE OF ORGANIZATION

            Minnesota

NUMBER OF          (5)  SOLE VOTING POWER
SHARES                    1,583,495 (1)
BENEFICIALLY       (6)  SHARED VOTING POWER
OWNED BY                  0
EACH               (7)  SOLE DISPOSITIVE POWER
REPORTING                 1,583,495 (1)
PERSON             (8)  SHARED DISPOSITIVE POWER
WITH                      0

9)         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             1,583,495 (1)

10)        CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
           SHARES*

11)        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
             5.6%

12)        TYPE OF REPORTING PERSON*

             OO




_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock.  Each share of Class B Common Stock is
     convertible into one share of Class A Common Stock.  Shares of
     Class B Common Stock have no voting rights.  Under the Bank
     Holding Company Act of 1956, the reporting person may be
     restricted from owning more than five percent of the outstanding
     shares of Class A Common Stock.



13G

CUSIP NO.  893416 10 7


1)        NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Daniel J. Haggerty
            Social Security No. ###-##-####

2)        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)  [ ]
                                                               (b)  [ ]
3)        SEC USE ONLY

4)        CITIZENSHIP OR PLACE OF ORGANIZATION

            Minnesota

NUMBER OF          (5)  SOLE VOTING POWER
SHARES                    1,627,844 (1)(2)
BENEFICIALLY       (6)  SHARED VOTING POWER
OWNED BY                  0
EACH               (7)  SOLE DISPOSITIVE POWER
REPORTING                 1,627,844 (1)(2)
PERSON             (8)  SHARED DISPOSITIVE POWER
WITH                      0

9)         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             1,627,844 (1)(2)

10)        CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
           SHARES*

11)        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
             5.8%

12)        TYPE OF REPORTING PERSON*

             IN


_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock held of record by Norwest Equity Capital, LLC 
     ("NEC"), with whom reporting person is affiliated.  Each share of 
     Class B Common Stock is convertible into one share of Class A 
     Common Stock.  Shares of Class B Common Stock have no voting 
     rights.  Under the Bank Holding Company Act of 1956, NEC may be
     restricted from owning more than five percent of the outstanding
     shares of Class A Common Stock.

(2)  Inclues 44,349 shares held by Daniel J. Haggerty in his individual 
     capacity.

13G

CUSIP NO.  893416 10 7


1)        NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            John E. Lindahl
            Social Security No. ###-##-####

2)        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)  [ ]
                                                               (b)  [ ]
3)        SEC USE ONLY

4)        CITIZENSHIP OR PLACE OF ORGANIZATION

            Minnesota

NUMBER OF          (5)  SOLE VOTING POWER
SHARES                    1,607,247 (1)(2)
BENEFICIALLY       (6)  SHARED VOTING POWER
OWNED BY                  0
EACH               (7)  SOLE DISPOSITIVE POWER
REPORTING                 1,607,247 (1)(2)
PERSON             (8)  SHARED DISPOSITIVE POWER
WITH                      0

9)         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             1,607,247 (1)(2)

10)        CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
           SHARES*

11)        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
             5.7%

12)        TYPE OF REPORTING PERSON*

             IN


_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock held of record by Norwest Equity Capital, LLC 
     ("NEC"), with whom reporting person is affiliated.  Each share of
     Class B Common Stock is convertible into one share of Class A 
     Common Stock.  Shares of Class B Common Stock have no voting 
     rights.  Under the Bank Holding Company Act of 1956, NEC may be
     restricted from owning more than five percent of the outstanding
     shares of Class A Common Stock.

(2)  Includes 23,752 shares held by John F. Lindahl in his individual
     capacity.

13G

CUSIP NO.  893416 10 7


1)        NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            George J. Still, Jr.
            Social Security No. ###-##-####

2)        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)  [ ]
                                                               (b)  [ ]
3)        SEC USE ONLY

4)        CITIZENSHIP OR PLACE OF ORGANIZATION

            Minnesota

NUMBER OF          (5)  SOLE VOTING POWER
SHARES                    1,596,073 (1)(2)
BENEFICIALLY       (6)  SHARED VOTING POWER
OWNED BY                  0
EACH               (7)  SOLE DISPOSITIVE POWER
REPORTING                 1,596,073 (1)(2)
PERSON             (8)  SHARED DISPOSITIVE POWER
WITH                      0

9)         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             1,596,073 (1)(2)

10)        CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
           SHARES*

11)        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
             5.7%

12)        TYPE OF REPORTING PERSON*

             IN


_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock held of record by Norwest Equity Capital, LLC 
     ("NEC"), with whom reporting person is affiliated.  Each share of
     Class B Common Stock is convertible into one share of Class A 
     Common Stock.  Shares of Class B Common Stock have no voting 
     rights.  Under the Bank Holding Company Act of 1956, NEC may be
     restricted from owning more than five percent of the outstanding
     shares of Class A Common Stock.

(2)  Includes 12,578 shares held by Geroge J. Still, Jr. in his
     individual capacity.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 3)


Item 1(a)  Name of Issuer:

           Transaction Systems Architects, Inc.

Item 1(b)  Address of Issuer's Principal Executive Offices:

           330 South 108th Avenue
           Omaha, NE  68154

Item 2(a)  Name of Person Filing:

           1.  Norwest Equity Capital, L.L.C. (NEC)
           2.  Itasca NEC, L.L.C. (INEC)
           3.  Daniel J. Haggerty (DJH)
           4.  John E. Lindahl (JEL)
           5.  George J. Still (GJS)

Item 2(b)  Address of Principal Business Office:

           1.  Norwest Equity Capital, L.L.C.
               2800 Piper Jaffray Tower
               222 So. Ninth St.
               Minneapolis, MN  55402

           2.  Itasca NEC, L.L.C.
               2800 Piper Jaffray Tower
               222 So. Ninth St.
               Minneapolis, MN  55402

           3.  Daniel J. Haggerty
               2800 Piper Jaffray Tower
               222 So. Ninth St.
               Minneapolis, MN  55402

           4.  John E. Lindahl
               2800 Piper Jaffray Tower
               222 So. Ninth St.
               Minneapolis, MN  55402

           5.  George J. Still, Jr.
               2800 Piper Jaffray Tower
               222 So. Ninth St.
               Minneapolis, MN  55402

               This statement is filed by Norwest Equity Capital,
               L.L.C. on behalf of all of the persons listed above
               pursuant to Rule 13d-1(c) and Rule 13d-1(f).  Norwest
               Equity Capital, L.L.C. is a Minnesota limited liability
               company.  Itasca, NEC, L.L.C., a Minnesota limited
               liability company, is the managing member of Norwest
               Equity Capital, L.L.C.  Daniel J. Haggerty, John E.
               Lindahl and George J. Still, Jr. are the managing 
               members of Itasca, NEC, L.L.C.

Item 2(c)  Citizenship:

           1.  NEC:  Minnesota
           2.  INEC:  Minnesota
           3.  DJH:  United States
           4.  JEL:  United States
           5.  GJS:  United States

Item 2(d)  Title of Class of Securities:

           Common Stock

Item 2(e)  CUSIP Number:

           893416 10 7

Item 3     N/A

Item 4     Ownership:

           (1)  Norwest Equity Capital, L.L.C.:  At December 31, 1997,
                Norwest Equity Capital, L.L.C. owned 1,583,495(1)
                shares of common stock.  This amount represented 5.6% 
                of the total shares of common stock outstanding at that 
                date.  Norwest Equity Capital, L.L.C. has no rights to 
                acquire additional shares through the exercise of 
                options or otherwise.

           (2)  Itasca NEC, L.L.C:  At December 31, 1997, Itasca NEC,
                L.L.C was deemed to own, by virtue of its affiliation
                with Norwest Equity Capital, L.L.C, 1,583,495(1) shares 
                of common stock.  This amount represented 5.6% of the
                total shares of common stock outstanding at that date.

           (3)  John E. Lindahl:  At December 31, 1997, John E. Lindahl
                was deemed to own an aggregate of 1,607,247 shares, as
                follows:  (a) 1,583,495(1) shares indirectly by virtue 

_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock held of record by NEC.  Each share of Class B 
     Common Stock is convertible into one share of Class A Common 
     Stock.  Shares of Class B Common Stock have no voting rights.  
     Under the Bank Holding Company Act of 1956, NEC may be restricted 
     from owning more than five percent of the outstanding shares of 
     Class A Common Stock.

                of his affiliation with Norwest Equity Capital, L.L.C,
                and (b) 23,752 shares held in his individual capacity.  
                This amount represented 5.7% of the total shares of 
                common stock outstanding at that date.

           (4)  Daniel J. Haggerty:  At December 31, 1997, Daniel J.
                Haggerty was deemed to own an aggregate of 1,627,844 
                shares as follows:  (a) 1,583,495(1) shares indirectly 
                by virtue of his affiliation with Norwest Equity 
                Capital, L.L.C., and (b) 44,349 shares held in his 
                individual capacity.  This amount represented 5.8% of 
                the total shares of common stock outstanding at that 
                date.

           (5)  George J. Still, Jr.:  At December 31, 1997, George J. 
                Still, Jr. was deemed to own an aggregate of 1,596,073 
                shares as follows:  (a) 1,583,495(1) shares indirectly 
                by virtue of his affiliation with Norwest Equity 
                Capital, L.L.C, and (b) 12,578 shares held in his 
                individual capacity.  This amount represented 5.7% of 
                the total shares of common stock outstanding at that 
                date.

                The persons filing this statement other than Norwest
                Equity Capital, L.L.C. disclaim beneficial ownership
                of, and the filing of this shall not be construed as
                an admission that the persons filing are beneficial
                owners of, the shares covered by this statement for
                purposes of Sections 13, 14 or 16 of the Act.

Item 5     Ownership of Five Percent or Less of a Class:

           Not Applicable.

Item 6     Ownership of More than Five Percent on Behalf of Another 
           Person:

           Not Applicable.

Item 7     Identification and Classification of the Subsidiary Which 
           Acquired the Security Being Reported on by the Parent
           Holding Company:

           See Attachment A.


_________________________
(1)  Includes 1,171,252 shares issuable upon conversion of shares of
     Class B Common Stock held of record by NEC.  Each share of Class B 
     Common Stock is convertible into one share of Class A Common 
     Stock.  Shares of Class B Common Stock have no voting rights.  
     Under the Bank Holding Company Act of 1956, NEC may be restricted 
     from owning more than five percent of the outstanding shares of 
     Class A Common Stock.

Item 8     Identification and Classification of Members of the Group:

           Not Applicable.

Item 9     Notice of Dissolution of Group:

           Not Applicable.

Item 10    Certification:

           By signing below, I certify that, to the best of my
           knowledge and belief, the securities referred to above were
           acquired in the ordinary course of business and were not
           acquired for the purpose of and do not have the effect of
           changing or influencing the control of the issuer of such
           securities and were not acquired in connection with or as a
           participant in any transaction having such purposes or
           effect.

Signature.

After reasonable inquiry and to the best of my knowledge and belief, I 
certify that the information set forth in this statement is true, 
complete, and correct.

Date:  February 3, 1998

NORWEST EQUITY CAPITAL, L.L.C.

By:  Itasca NEC, L.L.C.



  /s/ John P. Whaley
      John P. Whaley, an Authorized Member