ValveMate
™
7090 Controller
Operating Manual
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VALVEMATE
7090
A NORDSON COMPANY
M
M
Introduction and Specifications ..................................3
Operating Features ..................................................4-5
Typical Setup................................................................6
Controller Setup ..........................................................7
Trial Run ....................................................................8-9
Operation Review ......................................................10
Connecting More than One 7090 Controller..............11
Input / Output Connections..................................12-13
Troubleshooting Guide ..............................................14
Schematic and Replacement Parts List ....................15
Warranty ......................................................back cover
Contents
The ValveMate 7090 controller provides precise time, fluid pressure and
speed control, incorporating digital status displays for easy process control
and set-up. Designed for use with the 790 Series auger valves, the ValveMate
7090 features microprocessor-controlled functions, including motor start-up
acceleration limits and maximum current overload protection for extended
motor life. The controller can be operated in a continuous or pulse mode
for added flexibility. The ValveMate 7090 is simple to use and will operate
many millions of cycles without maintenance.
Introduction
Note: Specifications and technical
details are subject to engineering
changes without prior notification.
Specifications
3 / Introduction and Specifications
Size: 19 cm W x 14 cm D x 7 cm H (7.5” x 5.6” x 2.7”)
Weight: 1.5 kg (3.3 lb)
Cabinet: Aluminum
Input Voltage: Selectable 100/120/220 VAC
Fuse: T 160mA 250V
Output protection fuses (F1, F2): F 315mA 250V
Power required: 50/60 Hz 20/17 VA
Feedback Circuits: 5 to 24 VDC NC solid-state switch 250mA maximum
Initiate Circuit: 5 to 24 VDC momentary or dry contact closure
Air Input: 65 psi (4.5 bar)
Cycle Rate: Exceeds 400 per minute
Time Range: .001 to 99.9 seconds
Meets CSA and CE standards.
4 / Operating Features
1. Cycle
Press to initiate one complete cycle. Green lamp illuminates to indicate cycle
is on. Press again to interrupt the current cycle.
2. Time override
Press to override time control. Display will show (---). While in this mode, dispensing is manual using the cycle button or the foot pedal (optional, #2015A).
3. Time/Pressure/Motor Speed
Press to toggle the LED display between time, pressure or motor speed voltage setting.
Time is displayed in real time from .001 to 99.9 seconds. In settings less than
1.0 seconds, the decimal will not show. Pressure is identified with a flashing
“P” for pounds per square inch or an “A” for atmosphere in the left display
segment. Motor speed is identified with a rotating cursor in the left display
segment and voltage in the two right segments. Motor voltage can be set
between 10 VDC and 24 VDC.
4. Program
Press to clear display to zero. Display flashes bright/dim while in program mode.
Press cycle button and hold until required deposit is established. Each time
it is pressed, time will be added. Press program button again to exit program
mode and store new time setting.
Operating Features
M
VALVEMATE
7090
M
1
7
23
5
4
6
Power
switch
8
5 / Operating Features
5. Status Change Buttons
When time is displayed, press the up or down buttons to increase or
decrease setting. When pressure is displayed, use these buttons to change
display between “psi” or “bar” readout. When motor voltage is displayed, use
these buttons to increase or decrease voltage (speed) of the valve motor.
6. Control Lockout
Turn key to the right to lock-out access to program and status change buttons. Cycle, time override and display toggle buttons stay active. The key
may be removed in either the locked or unlocked position.
7. Air Regulator Control
Turn to the right to increase output pressure and to the left to decrease.
When decreasing pressure, reduce pressure below desired setting and then
increase up to target pressure. Maximum pressure is 30 psi (2.07 bar).
8. Motor Failure Indicator
Illuminates when an overload condition exceeding 135mA has shut-down the
motor controller. To reset the controller, turn the power switch off and then on
again.
Air input quick-coupler
65 psi (4.5 bar) minimum
input pressure
Reservoir pressure
pulse (white)
Foot pedal or contact
closure connection
Reservoir pressure
constant (black)
Air
exhaust
I/O interface
and motor power
connector
Input power
cord receptacle
(see page 7
for details)
Fuse T 160 mA 250V
100/120/220 VAC
50/60Hz 20/17VA
1. Initiate +
2. Initiate -
3. Output +
4. Output -
5-24 VDC or
Contact Closure
5-24 VDC
250 mA
]
]
+- - -++-+
123456 87
Air Input
65PSI
(4.5 bar)
Foot Pedal
5. Alarm +
6. Alarm -
7. Motor Output +
8. Motor Output -
5-24 VDC
250 mA
]
220
Constant
Pressure
Pulse
Pressure