Msd 7740 4-Connector CAN-Bus Hub Installation User Manual download pdf

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Parts Included:

1 - CAN-Bus Hub

1 - Mounting Hardware Parts Bag

MSD 4-Connector CAN-Bus Hub

PN 7740

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CAN-Bus HUB, PN 7740

CAN-Bus

RESISTOR

REQUIRED

CAN-Bus HUB, PN 7740

TO MSD

CONTROLLER,

PN 7730

Figure 1 Wiring

The 4-Connector CAN-Bus Hub is intended for use with MSD Ignition CAN systems only. For a CAN

system to work it must have deﬁnite ends. MSD Power Grid System Controller that will attach to the CAN

system includes one end for the network incorporated internally. The controllers also come with a CAN-Bus

Terminator, PN 7741, which will act as the second end to the system. Without the CAN-Bus Terminator in

place at the end of the CAN-Bus system, signals could be distorted. These distorted signals could result

in permanent or intermittent problems that include but are not limited to; improper timing, false signals,

and repetitious signals. Always be sure to have the MSD Controller and the CAN-Bus Terminator at the

ends of the MSD CAN-Bus.

When the System Controller is attached to the CAN Hub, it should be placed opposite of the

pigtail. Modules will go in the following open connections. The CAN-Bus Terminator must be

attached to the pig-tail end. If multiple CAN Hubs are needed, the prior hub(s) should be attached

to the ﬁrst connector of the subsequent hub. Doing so (as shown in Figure 1) will create a single

channel for the CAN system with modules as branches.

Always be sure to supply a solid mount for the CAN Hub. The mounting system includes removable ends

for the Hub that slide to allow the terminals to be turned in 90° increments. Never cut the CAN-Bus harness.

If any of the CAN-Bus harnesses are not long enough for a desired mounting location MSD suggests the

use of extensions (2’, PN 7782; 4’, PN 7784; 6’, PN 7786).

1 2

Summary of Contents

Page 1 - MSD 4-Connector CAN-Bus Hub

M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4Parts Included: 1

Page 2 - TECH NOTES

Limited Warranty MSD warrants this product to be free from defects in material and workmanship under its intended normal use*, when properly installe

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Msd 7740 4-Connector CAN-Bus Hub Installation User Manual

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