PMAC2A-PC/104
Machine Connections
13
Base board mounted at
the bottom of the stack
MACHINE CONNECTIONS
Typically, the user connections are actually made to terminal blocks that are attached to the JMACH
connectors by a flat cable. The following are the terminal blocks recommended for connections:
•
34 PIN IDC header to terminal block breakouts (Phoenix part number 2281063) Delta Tau part
number 100-FLKM34-000.
•
50 PIN IDC header to terminal block breakouts (Phoenix part number 2281089) Delta Tau part
number 100-FLKM50-000.
Mounting
The PMAC2A-PC/104 is always installed using standoffs, either when it is
stack to a PC/104 computer or used as a stand-alone controller. At each of
the 4 corners of the PMAC2A-PC/104 board there are mounting holes that
can be used to mount the board on standoffs.
The PMAC2A-PC/104 base board is always placed at the bottom of the
stack. The order of the ACC-1P or ACC-2P with respect to the base board
does not matter.
Power Supplies
Digital Power Supply
3A @ +5V (±5%) (15 W)
(Eight-channel configuration, with a typical load of encoders)
The PMAC2A-PC/104, the ACC-1P and the ACC-2P each require a 1A @ 5 VDC power supply for
operation. Therefore, a 3A @ 5 VDC power supply is recommended for a PMAC2A-PC/104 board stack
with ACC-1P and ACC-2P boards.
•
The host computer provides the 5 Volts power supply in the case PMAC is installed in the
PC/104 bus. With the board stack into the bus, it will automatically pull +5V power from the bus
and it cannot be disconnected. In this case, there must be no ex5V supply, or the two
supplies will "fight" each other, possibly causing damage. This voltage could be measured on the
TB1 terminal block or the JMACH1 connector.
•
In a stand-alone configuration, when PMAC is not plugged in a computer bus, it will need an
external five-volt supply to power its digital circuits. The 5V power supply can be brought in
either from the TB1 terminal block or from the JMACH1 connector.
Содержание PMAC2-PC/104
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Страница 15: ...PMAC2A PC 104 Base Board Hardware Setup 8 ...
Страница 35: ...PMAC2A PC 104 PMAC2A PC 104 Software Setup 28 ...
Страница 42: ...PMAC2A PC 104 ACC 1P Hardware Reference Summary 35 ...
Страница 52: ...PMAC2A PC 104 Base Board E Point Jumper Descriptions 45 ...
Страница 56: ...PMAC2A PC 104 Acc 1P E Point Jumper Descriptions 49 ...
Страница 69: ...PMAC2A PC 104 Acc 1P Connector Pinouts 62 ...