INTRODUCTION
The
Stir-Pak
50007-series heavy-duty modular mixing system covered in this manual consists of four different
mixer heads and a analog controller 115VAC operation.
The
ServoDyne
50008-series digital modular mixing system consists of four different mixer heads and a
precision digital controller for 115VAC operation.
The following chart cross-references the model number, operating speed range and torque rating of the mixer
heads and the compatible controller.
MIXER HEAD
CONTROLLER OPERATING
VOLTAGE
SPEED RANGE,
rpm
MAXIMUM TORQUE,
oz-in (kg-cm)
50007-10
50007-00
115 VAC, 50/60 Hz
2 to 180
340 (24.5)
50007-20
50007-00
115 VAC, 50/60 Hz
9 to 900
70 (5)
50007-30
50007-00
115 VAC, 50/60 Hz
23 to 2300
45 (3.2)
50007-40
50007-00
115 VAC, 50/60 Hz
60 to 6000
17 (1.2)
50008-10
50008-00
115 VAC, 50/60 Hz
3 to 180
340 (24.5)
50008-20
50008-00
115 VAC, 50/60 Hz
20 to 900
70 (5)
50008-30
50008-00
115 VAC, 50/60 Hz
60 to 2300
45 (3.2)
50008-40
50008-00
115 VAC 50/60 Hz
150 to 6000
17 (1.2)
50007-00, STIR-PAK CONTROLLER
The variable-speed controller, Figure 1a and 1b, is used to set the speed of the mixer heads and provides
a 100:1 adjustment range.
-- 3 --
FORWARD-OFF-
REVERSE SWITCH
POWER ON
INDICATOR
SPEED
CONTROL
Figure 1a: Display and Controls
The controller ensures accurate, dependable motor speed (mixing) control, with “soft-start” and smooth, gradual
adjustment to the speed setting. Constant speed with a 100:1 adjustment range is maintained electronically via
automatic compensation for changes in load torque demands at both high and low speeds. Built-in motor current
compensation minimizes speed drift with changes in load. Motor current limiting protects the system in case of a
locked rotor condition. Output circuit protection protects against inadvertent output shorting. Mixer rotation is
reversible.
Figure 1b: Controller Rear Panel
MOTOR
CONNECTOR
LINE
CORD
