Bennett 3000 Spec 300 Series Instruction Manual Service & Troubleshooting
46
419 LOWER I/O BOARD (P/N 130396 WITHOUT ATC OR P/N 130397 WITH ATC)
The 419 Lower I/O Board is a low power circuit board that provides power, control, and/or temperature compensation to the hydraulics
of any Bennett electronic commercial and retail dispensers. Refer to the 419 Technical Manual for more information.
COMPONENT DESCRIPTION
An assortment of components have been installed on the circuit board including resistors, capacitors, headers, and filters. Wire harnesses
are used to attach to Headers J1 through J10.
J1 Pulser Input (Side 1)
A 20-position ribbon cable header connects to the Pulser on Side 1 of the dispenser.
Pin Description Pin Description
1 +5 VDC 11 Pulser D Lead Input
2 +5 VDC 12 Pulser D Lag Input
3 Ground 13 Pulser Disconnect Input
4 Ground 14 Pulser Disconnect Return
5 Pulser A Lead Input 15 Pulser A Check Input
6 Pulser A Lag Input 16 Pulser B Check Input
7 Pulser B Lead Input 17 Pulser C Check Input
8 Pulser B Lag Input 18 Pulser D Check Input
9 Pulser C Lead Input 19 N/C
10 Pulser C Lag Input 20 N/C
J2 Pulser Input (Side 2)
A 20-position ribbon cable header connects to the Pulser on Side 2 of the dispenser.
Pin Description Pin Description
1 +5 VDC 11 Pulser D Lead Input
2 +5 VDC 12 Pulser D Lag Input
3 Ground 13 Pulser Disconnect Input
4 Ground 14 Pulser Disconnect Return
5 Pulser A Lead Input 15 Pulser A Check Input
6 Pulser A Lag Input 16 Pulser B Check Input
7 Pulser B Lead Input 17 Pulser C Check Input
8 Pulser B Lag Input 18 Pulser D Check Input
9 Pulser C Lead Input 19 N/C
10 Pulser C Lag Input 20 N/C
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