
MAN0889-03-EN Specifications / Installation
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11/20/2009 Page 5 of 6 1023
3.4 Back Pack (BP) Connectors and Ports
Side views of the BP are shown to indicate the locations of its connectors and ports.
NOTE: QX751 is mechanically compatible only with Rev G and beyond of back pack modules.
Figure 8 – QX Back Pack Connectors and Ports (Side Views)
Figure 9 – QX Back Pack I/O Port
Table 7 – I/O Port Pins (HSC) (Orange Connector)
Pin Signal Description
1 TTL In1 HSC 1 / 5 V Input 1 (See Note*)
2 TTL In2 HSC 2 / 5 V Input 2 (See Note*)
3 TTL In3 HSC 3 / 5 V Input 3 (See Note*)
4 TTL Out1 HSC 1 / 5 V Output 1 (See Note*)
5 TTL Out2 HSC 2 / 5 V Output 2 (See Note*)
6 0 V Ground
(For best performance, use separate supply and
isolated ground.)
7 In1 HSC 1 / 24 V Input 1 (See Note*)
8 In2 HSC 2 / 24 V Input 2 (See Note*)
9 In3 HSC 3 / 24 V Input 3 (See Note*)
10 Out1 HSC 1/ 24V Output 1 / PWM 1
11 Out2 HSC 2/ 24V Output 2 / PWM 2
12 +24 V Power for Outputs
Note* - Depending on the output of the application, use
5 V (e.g., TTL In1) or 24 V (e.g., In1) per channel.
Close-up of the Backpack
CAN Connector
Close-up of the Back Pack I/O Connector
Close-up of the Backpack
Power Connector
00CC009
3.5 CAN Network Port and Wiring (QX Back Pack)
See the latest edition of Horner’s CAN Networks Manual (MAN0799) by referring to the website location listed in the Technical Support section in this document.
Note: To optimize CAN network reliability in electrically noisy environments, the V-CAN Ground needs to be isolated from the primary input power supply ground.
PI
PI2
P 12
001BP003
I/O PORT
UT2
UT1
IN3
IN2
IN1
TTL
IN3
IN2
IN1
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