Chapter 2 BK730-2 Base Page 2-15
2.2.4.2 Auto/Manual Switch
The Auto/Manual switch enables the operator to bypass the speed control board and to
operate the machine as if the board were not installed. This enables a supervisor or
operator to quickly swap a Tabber between systems which have speed control and others
which do not. The Auto configuration will enable the speed control option whereas the
manual setting disables it. The switch is a toggle switch near the edge of the board.
2.2.4.3 LED Assignments
The Speed Control Board has four yellow status LEDs and Table 2-5 defines what each
LED represents depending on whether they are ON or OFF. There is also one green status
LED, D1, used to indicate that power is being supplied to the board.
Table 2-5: Status LED indicator definitions.
LED Description
D1
Indicates 12 VDC is being supplied to the board when on
D8
Off if the speed reported by the encoder is less than 0.05 m/s
On if the speed reported by the encoder is greater than 0.05 m/s
D9
Off if the speed reported by the encoder is less than 1 m/s
On if the speed reported by the encoder is equal to 1 m/s
Blinks if the speed reported by the encoder is greater than 1 m/s
D10
On if Photo 1 is blocked
D11
On if Photo 2 is blocked
2.2.4.4 Speed Control Board Calibration
Before it can be used, the Speed Control Board must be calibrated to the base whose speed
it will be controlling. The following is a mandatory step-by-step calibration procedure to
be performed on every system requiring the speed control option. It is important to note
that only one of the DIP switches on S3 can be enabled during normal operation.
1. Switch the Speed Control Board Auto/Manual switch to Manual. Set the
Production Pot on the transport base to its minimum setting and start the transport
Buskro Ltd. BK730-2 Tabber
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