Leeson SCR Thyristor Motor Control Uživatelský manuál stáhnout pdf (Strana 23)

Installation

SPEEDMASTER™ OPERATION MANUAL

Power input

Connect the AC line power leads to PCB terminals L1 and L2, or

to a single-throw, double-pole master power switch

(recommended). The switch should be rated at a minimum of

250 volts and 200% of motor current.

Line fuse

Wire an external line fuse between the stop switch (if installed)

and the L1 terminal on the PCB. An additional line fuse should

be installed on L2 if the input voltage is 230VAC. The line

fuse(s) should be rated at 250 volts and 150 - 200% of

maximum motor nameplate current. Refer to the line fuse chart

on page 14 for fuse ratings.

See Table 2 for field output connections. Use 18 AWG wire to

connect the field output to a shunt wound motor.

Table 2. Field Output Connections

Line Voltage Approximate Connect Motor

(VAC) Field Voltage (VDC) Field To

115 50 F1 and L1

115 100 F1 and F2

230 100 F1 and L1

230 200 F1 and F2

Warning

The field output is for shunt wound motors only. Do not

make any connections to F1 and F2 when using a

permanent magnet motor.

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Leeson SCR Thyristor Motor Control Uživatelský manuál Strana 23