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- 6 -

A6 Pin-out Assignments (S.T.D. Pulse for 117V AC)

(6) 6-2

For the 117V AC version of the A6 bill validator, connect the 30-pin peripheral 

connector on one end of the harness (

part no. WEL-M008

, see page.12 for 

pin-out information) to the side of the unit and the 9-pin mating connector to the 

117V AC power harness ( 

part no. WEL-M010 and WEL-M012

, see page.13,14

for pin-out information). 

    

 

 

 

 

 

9-pin mating connector pin-out assignments:

          Pin 1  NEUTRAL INHIBIT

          Pin 2  NEUTRAL ENABLE

          Pin 3  HOT ENABLE

          Pin 4  117VAC HOT (Power)

          Pin 5  

Earth - Ground

 

          Pin 6  117VAC NEUTRAL(Power)

          Pin 7  CREDIT_RELAY(N.O.)

          Pin 8  CREDIT_RELAY

(Common)

                     

          Pin 9  Reserved

IMPORTANT:

 On 117V AC units, the Earth Ground must be located inside the machine.   

          

Dual-in-line 30-pin peripheral connector (A6, 117V AC) pin-out assignments:

1

2

3

4

5

6

7

8

9

10
25

19

11
26

20

12
27

21

13
28

22

16

14
29

23

17

15
30

24

18

CAUTION:

 Turn off the power before connecting or disconnecting the 

                   bill validator.

  

Pin 16 - CREDIT_RELAY(N.O.)

Pin 17 - Reserved

Pin 18 - HOT ENABLE 

Pin 19 - KEY

Pin 20 - 117VAC HOT(Power)

Pin 21 - EARTH GROUND

Pin 22 - Reserved

Pin 23 - Reserved

Pin 24 - Reserved

Pin 25 - Reserved

Pin 26 - Reserved

Pin 27 - Reserved

Pin 28 - Reserved

Pin 29 - Reserved

Pin 30 - Reserved

  Pin 1 - CREDIT_ RELAY(Common)

  Pin 2 - Reserved

  Pin 3 - NEUTRAL ENABLE 

  Pin 4 - 117VAC NEUTRAL(Power)

  Pin 5 - NEUTRAL INHIBIT

  Pin 6 - KEY

  Pin 7 - Reserved

  Pin 8 - Reserved

  Pin 9 - Reserved

Pin 10 - Reserved

Pin 11 - Reserved

Pin 12 - Reserved

Pin 13 - Reserved

Pin 14 - Reserved

Pin 15 - Reserved                                  

1

2

3

6

5

4

7

8

9

- 7 -

V6 Pin-out Assignments (M.D.B. System for 34V DC) 

(7) 7-1

For the MDB interface V6 bill validator, connect the 30-pin peripheral connector 

on one end of the harness (

part no. WEL-M006

, see page.10 for pin-out 

information) to the side of the unit and the standard 6-pin MDB connector to the 

power/interface connector.

 

           The standard 6-pin MDB connector pin-out assignments:

           Pin 1 - 34 VDC

           Pin 2 - 34 VDC Power Return

           Pin 3 - N/C

           Pin 4 - Master Receive

           Pin 5 - Master Transmit

           Pin 6 - Communications Common

           

Dual-in-line 30-pin peripheral connector (V6, MDB) pin-out assignments:

1

2

3

4

5

6

7

8

9

10
25

19

11
26

20

12
27

21

13
28

22

16

14
29

23

17

15
30

24

18

4

5

6

3

2

1

CAUTION:

 Turn off the power before connecting or disconnecting the 

                   bill validator.

  

Pin 16 - 34VDC_RETURN

Pin 17 - Reserved

Pin 18 - Reserved

Pin 19 - Reserved

Pin 20 - Reserved

Pin 21 - KEY

Pin 22 - Reserved

Pin 23 - +34VDC

Pin 24 - Reserved

Pin 25 - Reserved

Pin 26 - Reserved

Pin 27 - Reserved

Pin 28 - MDB_GND

Pin 29 - Reserved

Pin 30 - Reserved

  Pin 1 - Reserved

  Pin 2 - Reserved.

  Pin 3 - Reserved 

  Pin 4 - Reserved

  Pin 5 - KEY

  Pin 6 - MDB_MASTER_RXD

  Pin 7 - Reserved

  Pin 8 - Reserved

  Pin 9 - Reserved

Pin 10 - Reserved

Pin 11 - Reserved

Pin 12 - Reserved

Pin 13 - Reserved

Pin 14 - MDB_MASTER_TXD

Pin 15 - Reserved                                  

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