F39-EU1E Omron, F39-EU1E Datasheet - Page 221
![F3S-B OPTIONAL PROGRAMMING KIT](/photos/19/83/198337/3762551_sml.jpg)
F39-EU1E
Manufacturer Part Number
F39-EU1E
Description
F3S-B OPTIONAL PROGRAMMING KIT
Manufacturer
Omron
Datasheet
1.F39-EU1E.pdf
(865 pages)
Specifications of F39-EU1E
Leaded Process Compatible
No
Peak Reflow Compatible (260 C)
No
Light Curtain Type
Safety
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
➁ Noise from Contacts
Noise may be transmitted to the electronic circuit when switching a
load, such as a motor or transistor, that generates a surge at the
contacts. When designing patterns, take the following three points
into consideration.
1. Do not place a signal transmission pattern near the contact pattern.
2. Shorten the length of patterns that may be sources of noise.
3. Block noise from electronic circuits by means such as constructing
➂ High-frequency Patterns
As the manipulated frequency is increased, pattern mutual
interference also increases. Therefore, take noise countermeasures
into consideration when designing high-frequency pattern and land
shapes.
➐-6 Shape of Lands
1. The land section should be on the center line of the copper-foil
2. A break in the circular land area will prevent molten solder from
➐-7 Pattern Conductor Width and Thickness
The following thicknesses of copper foil are standard: 35 μm and
70 μm. The conductor width is determined by the current flow and
allowable temperature rise. Refer to the chart below as a simple
guideline.
Conductor Width and Permissible Current
(According to IEC Pub326-3)
Correct
Examples
Incorrect
Examples
ground patterns.
pattern, so that the soldered fillets become uniform.
filling holes reserved for components which must be soldered
manually after the automatic soldering of the PCB is complete.
0.5
50
30
20
10
7
5
3
2
7
5
3
2
1
http://www.ia.omron.com/
Cross-sectional area (mm
0.03 0.05 0.07 0.1
0.2 to 0.5 mm
305 /m
35 μm
2
)
Break in land
0.3
610 /m
2
70 μm
0.5 0.7 1
100°C
75°C
50°C
40°C
30°C
20°C
10°C
2
➐-8 Conductor Pitch
The conductor pitch on a PCB is determined by the insulation
characteristics between conductors and the environmental conditions
under which the PCB is to be used. Refer to the following graph. If the
PCB must conform to safety organization standards (such as UL,
CSA, or IEC), however, priority must be given to fulfilling their
requirements. Also, multi-layer PCBs can be used as a means of
increasing the conductor pitch.
Voltage between Conductors vs. Conductor Pitch
(According to IEC Pub326-3)
➐-9 Securing the PCB
Although the PCB itself is not normally a source of vibration or shock,
it may prolong vibration or shock by resonating with external vibration
or shock.
Securely fix the PCB, paying attention to the following points.
Rack mounting
Screw mounting
Mounting
method
(c)Copyright OMRON Corporation 2007 All Rights Reserved.
3,000
2,000
1,000
700
500
300
200
100
A = Without coating at altitude of 3,000 m max.
B = Without coating at altitude of 3,000 m or higher but lower than 15,000 m
C = With coating at altitude of 3,000 m max.
D = With coating at altitude of 3,000 m or higher
70
50
30
20
0.1
0.2 0.3 0.5 0.7 1.0
No gap between rack's guide and PCB
Securely tighten screw.
Place heavy components such as Relays on
part of PCB near where screws are to be
used.
Attach rubber washers to screws when
mounting components that are affected by
shock (such as audio devices.)
2
Conductor pitch (mm)
3
Precautions for All Relays
5
Process
10
A
D
B
C
C-12
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