Rockwell Automation THR Triguard SC300E User manual

Triguard SC300E
THR
Hot Repair Adaptor
(THR)
Issue 6 October 2005
INTRODUCTION
PURPOSE
The Hot Repair Adaptor kit enables the backplane field connectors of two adjacent I/O modules
to be bridged so that both are connected to asingle set of field connections in aDual Hot
Re pair configuration. The kit comprises two Hot Repair Adaptor cards and the appropriate
hardware
fittings. The assembly and fitting of one adaptor card to the chassis backplane is
shown in Figure 3 - 1.
This document is intended to provide ageneral understa nding of the function of the hot repair
adaptor sufficient to enable basic maintenance operations to be effected in the field.
ASSOCIATED DOCUMENTATION
Reference No Title
008 - 5097 Chassis User Manual
SPECIFICATION
Model THR
Connectors Aand B
34 pin DIN41612. Connector Apins press
fitted.
Current rating (per contact)
1.6A max at 60°C
Insulation test voltage
1.5kVdc
Voltage rating
132Vac/dc maximum
Overall size (mm)
Overall size (inches)
102H x51W x28D
4.0H x2.0W x1.1D
Weight
0.65kg
008-5106

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ENVIRONMENTAL SPECIFICATIONS
The maximum ambient temperature measured at the hottest point within the Triguard system
shall
not be greater than 60 degrees centigrade.
Temperature operating: +5°C to +60°C
Temperature
storage: - 25°C to +70°C
Humidity 5% to 95 %non - condensing at ambient <40°C
EMC/RFI
Immunity Tested and certified to IEC 1131 - Part 21994
Vibration/Shock Tested and certified to IEC 1131 - Part 21994
Certification:
General Certification: Ref. SC300E Product Guide (ref 008 - 5209)
TRANSPORT AND HANDLING
The hot repair adaptor must be transported and stored in its original packing material which
should be retained for this purpose.

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TECHNICAL DESCRIPTIO N
PHYSICAL
The Hot Repair Adaptor kit comprises two adaptor cards and hardware fittings
The tracks in each adaptor card connect corresponding pins of the two sockets that mate with
the backplane connectors. The rear of Connector ‘A’ is unused, the pins are cut short and
protected by the shell and cover (items 7and 6respectively). The pins of the left hand socket
protrude through ashroud which enables the connection of the field DIN connector.
Figure 2 - 1. THR Front and side views

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SERVICING
SCOPE
No servicing is necessary, repair is by replacement of the faulty adaptor.
ASSEMBLY AND FITTING
The Hot Repair Adaptor kit comprises two adaptor cards and hardware fittings.
Table 3 - 1. Contents of Hot Repair Adaptor kit
Item No
(refer to Figure 3 - 1)
Part No. Description No. off
1099 - 1245 Hot repair adaptor card 2
2600 - 1079 M3 x3mm spacer 4
3525 - 7625 M2.5 x25mm screw 4
4507 - 0175 M2.5 xspring washer 8
5525 - 7619 M2.5 x19mm screw 4
6442 - 1016 Cover 2
7442 - 1015 Shell 2
CAUTION
Incorrect fitting of an adaptor may result in irreparable damage to the chassis backplane
Prior to the connection of any system cables, fit the Hot Repair Adaptors in the following
manner.
Refer to Figure 3 - 1.
1. Check the contents of the Hot Repair Adaptor kit against the list in Table 3 - 1.
2. Identify the two adjacent slots to be configured for hot repair.
3. Remove the four black shrouds from the slot field outlets. Retain two of the shrouds.
4. Check that none of the backplane connector pins are bent or misaligned.
5. Carefully position one of the adaptor cards the right way up over two of the backplan e
connectors by aligning the top screw holes and gently entering the two top pins into
each connector.

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6. Attempt to fully engage the adaptor card but if excessive resistance is felt remove the
card and check for bent pins or any other obstructions.
7. U sing items 2, 3and 4fit one of the shrouds to the card over the pins of the left hand
connector;
ensure that the shroud is correctly oriented (keys on the left, Figure 3 - 1. ).
Note that the two spacers (item 2) fit between the shroud and the card. Do not over
tighten the screws.
8. Using items 4and 5fit the shell (item 7) to the card over the short pins of the right
hand connector. Do not over tighten the screws.
9. Insert the cover (item 6) into the shell (item 7).
10. Repeat steps e) to i) to fit the other adaptor card to the remaining two field connectors.

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Figure 3 - 1. THR Exploded view

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SERVICE SUPPORT
SPARE PARTS
Spare parts and technical advice can be obtained from your local area offices .