15537-070 VEEDER ROOT, 15537-070 Datasheet - Page 95

• Manufacturer Part Number: 15537-070
• Description: Counter Display Panel
• Manufacturer: VEEDER ROOT

Specifications of 15537-070

• Lead Free Status / RoHS Status: na

SPECIFYING AN ELECTRONIC TIMER
The following criteria should be considered when selecting an
electronic timer for your application:
Control Function - Reset function, repeat cycle function.
Time Range - What time range will the timer use?
Mounting - Jack-in case, Panel mount, Surface mount,
Size - What are the size limitations if any for the timer?
Service Voltage and Frequency - 12 VDC, 24 VDC, 24 VAC,
Setting Accuracy - What is the minimum setting accuracy
Repeat Accuracy - What is the minimum repeat accuracy
Front Panel - What type of interaction does the operator need
Load - What device will be controlled by the timer and what
DIN rail mount, Timer lock
120 VAC, 240 VAC; 50 Hz, 60 Hz., Other
required for the time setting?
required for the timing cycle?
to have with the front panel controls of the unit?
are the electrical specifications for this load?
TYPICAL ELECTRONIC TIME INDICATORS
LCD Display
TYPES OF ELECTRONIC DISPLAYS
A103
LED Display
7999 MITE
ELEMENTS OF ELECTRONIC TIMERS
All electronic timers will have three basic elements: (1) Control
Input, (2) Timing components (3) Output Elements
_________________________________________________
Control Inputs
AC voltage
DC voltage
Contact
Cycle Rate: How often will the timer switch the load.
Action on Power Failure - After a failure, what should the
Operator Restraints - Lighting, gloves, low skill level
Special Requirements - NEMA-4 Washdown, High tempera-
Agency Approval - U.L., CSA, FM
timer do upon restoration of power?
ture and humidity, High vibration, Corrosive atmosphere,
Electrical interference and brownouts
Control Input
Timer
VEEDER-ROOT • EAGLE SIGNAL • DYNAPAR
Timing Components
Microprocessor
Integrated Circuit
Electronic
Components
Timing
Control Outputs
Instantaneous
Relay
Delay Relay
Triac
Timer
Control
Output
5.01
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