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ONE27 F26I IDC
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Instructions
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Instructions
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EPT ONE27 F26I IDC Instructions

Download
Installation Instructions
for Connecting ept One27 IDC Connectors
with Ribbon Cable
Contents:
These installation instructions describe how to connect
ept One27 connectors (ept Item No. 404-59xxx-6x) onto
ribbon cable (30 AWG with seven 0.102 mm single strands)
ept GmbH | Bergwerkstr. 50 | 86971 Peiting, Germany | Tel. +49 (0) 8861 / 25 01 0 | Fax +49 (0) 8861 / 55 07 | sales@ept.de | www.ept.de
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
Table of Contents
1. Basic Information................................................................................................................................... 3
2. Checking the Components.................................................................................................................... 3
3. Process: Connecting the Connector onto the Ribbon Cable............................................................... 4
4. Ensuring the Correct Orientation of the Connector to the Ribbon Cable............................................ 5
5. Inspection: Measuring the connected Connector................................................................................ 5
6. Tool......................................................................................................................................................... 6
7. Installation Parameters.......................................................................................................................... 6
8. Checking a ept One27 IDC Connector assembled with Cable..............................................................8
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 2
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
1. Basic Information
The female One27 IDC is designed to be reused for cable assembly. A cable assembly’s suitability for a given application can only be checked and evaluated once the application has been specified. ept is not liable for employees’ disregard of the installation instructions.
When assembling the ept IDC connector, it is generally recommended that employees follow the acceptance criteria for cable types outlined in the latest revision of IPC/WHMA-A-620. ept IDC connectors are designed so that the a1 contact connects to the cable’s guide strand!
2. Checking the Components
Checking the delivered components for damage and consistency with the order.
ept IDC connectors are delivered ‘ready to connect’ in a suitable blister package. It is recommended that employees complete a visual inspection of the delivered connectors.
1. The cable duct on the IDC bridge needs to be free – in other words, the insulation displacement contacts cannot be inside the cable duct. This ensures that the cable can be securely routed through the duct.
2. The position lock on the connect bridge (the component with the cable duct) and on the insulator material on the IDC connector (the upper part of the combination with female contacts) needs to be set to the first level. The insulation displacement contacts are still readily visible in the lock windows!
3. The snap-fits attached to the insulator material should be properly aligned (straight) and free from damage. The snap-fits should also be inside the guide slot provided for this purpose.
ept IDC connectors can only be used with cables approved by ept. ept IDC connectors are designed to only be used with 30/7 AWG ribbon cables!
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 3
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
Ribbon cables approved by ept: Klasing ribbon cable (all versions) and JST ribbon cable (PVC version).
Also check that the cable design and number of pins meet the production order’s requirements.
3. Process: Connecting the Connector onto the Ribbon Cable
Orienting the ribbon cable inside the connector (see IPC-A-620 Standard)
• Perpendicularity
Make sure that the cable is perpendicular to the connector when routing the ribbon cable.
The connector’s cable duct helps employees properly orient the ribbon cable.
• Horizontal perpendicularity
Make sure to maintain horizontal perpendicularity so that the contacts touch one another after the cable strands have been pushed into the channels in the insulator material intended for this purpose.
max. permissible deviation of the cable’s axis from the connector’s axis:
90° ±1°
• Vertical perpendicularity
Make sure to keep the IDC bridge perpendicular to the leads on the ribbon cable to ensure that all of the insulation displacement contacts are correctly connected to the leads.
max. permissible deviation of the cable’s axis from the connector’s axis:
90° ±1°
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 4
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
• Cable flush with the connector
Aim for the end of the cable to lie flush with the connector. If there is a gap between the rib­bon cable and the connector, it means that the connector was improperly measured, or that first insulation displacement contact is too close to the end of the cable.
min. 0.5 mm
4. Ensuring the Correct Orientation of the Connector to the Ribbon Cable
Employees are responsible for ensuring the correct orientation of the connector during the connecting process.
5. Inspection: Measuring the connected Connector
Inspect the dimension of the connector once it has been connected. Nominal dimension: 12.00 ±0.05 mm
+ 0.1
- 0.05
12.00
Inspecting this dimension is important because it allows employees to determine whether the con­nector is compressed enough to be securely locked in this position.
Make sure, however, that the connector is not too compressed, since this could cause the female contacts to jam inside the insulator material and function improperly!
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 5
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
6. Connecting Tool
The tool needs to accommodate and handle the connector and cable in accordance with the instal­lation instructions.
The tool needs to have a depth stop that keeps the dimension from falling below the minimum limit in order to protect the connector from damage caused by overcompression.
Parallel top tool that also ori­ents the insulator material perpendicularly.
Depth stop that prevents overcompression
Perpendicular orientation of the ribbon cable (adjustable in accordance with the respective number of pins)
The ept tool maintains the angles required for the assembly.
7. Installation Parameters
Forces to connect ept One27 IDC Connector with ribbon cable: Depending on the insulation material, installing ept IDC connectors requires forces of up to
20 N per contact.
Speed to connect ept One27 IDC Connector with ribbon cable: ept IDC connectors are proven to have a compression speed of up to 10 mm/s.
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 6
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
Depth to connect ept One27 IDC Connectors with ribbon cable: The tool’s depth should be adjustable in order to achieve a result of 12.00 ±0.05 mm for the con­nected connector and compensate for the connector’s production tolerances.
When the connected depth is correct, the insulation displacement contacts that have been pressed through the cable are visible in the inspection win­dow on the underside of the IDC connector,
and a small air gap (specification: 0.1 mm) between the top of the contact tongue and insulator material is also visible.
If there is no air gap here, then the female contacts might not function cor­rectly.
This gap can only be inspected by making a cut once the connector has been completely connected.
Cable lengths: ept offers ribbon cables from 50 mm to 999 mm in length.
Other sizes and half-sizes are available upon request.
Please note: When specifying cable length, ept measures between the connectors!
-> To determine the total length of the cable, the nominal dimensions of the connectors (2 x 4.3 mm) need to be included in the calculation!
Cable length in mm
Tolerances dependent upon cable length:
≤1000mm Tolerance=0
+5 mm
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 7
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
8. Checking a ept One27 IDC Connector assembled with Cable
Visual Inspection
The tips of the insulation displacement contacts that were pushed into the cable need to be visible through the inspection window on the underside of the IDC connector.
You should use a microscope with the proper magnification to complete this inspection.
The locks are engaged.
+ 0.1
- 0.05
12.00
The insulator material and IDC bridge need to be connected wit­hout any gaps between them.
You should use a microscope with the proper magnification to complete this inspection.
Height of the connected connector: The connected connector measures 12.00 mm.
You should use a digital sliding caliper to complete this inspection.
When the connected depth is correct, a small air gap (specification:
0.1 mm) is visible between the top of the contact tongue and the insulator material.
If there is no air gap here, then the female contacts might not func­tion correctly!
You should use a microscope with the proper magnification to complete this inspection.
This gap can only be inspected by making a cut once the connec­tor has been completely connected.
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 8
Installation Instructions: Connecting ept One27 IDC Connectors with Ribbon Cable
Recommended Electrical Tests (Depending on the Application)
• Contact resistance:
<10mΩ
• Dielectric strength (short circuit):
Contact – Contact, 12–500 V alternating voltage recommended
• Correct allocation of the connector’s contact positions:
for example, contact a1 connected to contact a1 on the facing connector
ept is not liable for employees’ disregard of the installation instructions.
Created/Reviewed by: C. Ritter Version 1 from 17 December 2015 Page 9
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