A typical RabbitNet? system consists of a master single-board computer and one or two
peripheral cards. A high-performance Rabbit 3000 ? or Rabbit 2000 ? microprocessor on
the master provides fast data processing, and a BL2500 or a BL2600 master also provides
the DCIN and +5 V power for the peripheral cards. Use a straight-through CAT 5/6 Ether-
net cable to connect the master to slave peripheral cards, unless you are using a device such
as the OP7200 that could be used either as a master or a slave. In this case you would use a
crossover CAT 5/6 Ethernet cable to connect an OP7200 that is being used as a slave.
NOTE: Even though CAT 5/6 Ethernet cables are used for the RabbitNet connections,
never connect a RabbitNet port to an Ethernet network. Doing so could destroy the
RabbitNet SPI driver.
Distances between a master unit and peripheral cards can be up to 10 m or 33 ft.
Table 1 lists Rabbit Semiconductor ’s single-board computers and other devices that can be
used as the master in a RabbitNet system.
Table 1. RabbitNet Master Capabilities
RabbitNet Masters
BL2500
BL2600
OP7200
RCM3300/RCM3360
Prototyping Board
PowerCore FLEX
Prototyping Board
Master Supplies Power to
Peripheral Cards
Yes
Yes
No
No
No
Number of
RabbitNet Ports
2
2
1
1
1
1.1.2 RabbitNet Peripheral Cards
? Digital I/O Card
24 inputs, 16 push/pull outputs, 4 channels of 10-bit A/D conversion with ranges of
0 to 10 V, 0 to 1 V, and -0.25 to +0.25 V. The following connectors are used:
Signal = 0.1" friction-lock connectors
Power = 0.156" friction-lock connectors
RabbitNet = RJ-45 connector
? A/D Converter Card
8 channels of programmable-gain 12-bit A/D conversion, configurable as current mea-
surement and differential-input pairs. 2.5 V reference voltage is available on the con-
nector. The following connectors are used:
Signal = 0.1" friction-lock connectors
Power = 0.156" friction-lock connectors
RabbitNet = RJ-45 connector
2
RabbitNet Peripheral Cards
相关PDF资料
101-0954 KIT DEV RABBIT RCM3360/3370 INTL
101-1050-BE-00025 ADPT USB 2 A FEMALE-2 5PIN .25M
10112627-101LF MINI-SAS HD 1X2 EXT PCB
10112628-101LF MINI-SAS HD 1X4 EXT PCB
10136-3000PC CONN MINI-D 36POS SOLDER PLUG
10136-6000EC CONN MDR PLUG 36POS IDC GOLD
10150-4CZ3PL CONN MDR PLUG 50POS VERT T/H
10150-72E2PC CONN MINI-D 50POS R/A PLUG
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