User`s manual

I/O SERVER User’s Manual Industrial PC
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Acromag, Inc. Tel:[phone] Fax:[phone] Email:[e-mail] http://www.acromag.com
11
The IOS Carrier board front panel provides four 50 pin SCSI 2
connectors to access the IOS modules’ Field I/O. Each slot on the IOS
Carrier has a corresponding field I/O connector as marked on the front
panel A, B, C, and D. These signals are defined by the individual IOS
module that is plugged into the corresponding slot. Pin 1 of the IOS
module Field I/O corresponds directly to Pin 1 of the SCSI 2 connection
pictured below.
PIN 25
PIN 26
PIN 50
PIN 1
The back side of the I/O Server provides access to the DC power
terminal, CompactFlash
®
, and status LED’s.
To insert a CompactFlash
®
device firmly push a compatible card with
its face up into the slot. The CompactFlash
®
has a left side ejector. The
ejector requires two depressions to eject a CompactFlash
®
card. Note that
CompactFlash
®
is not hot swappable. Power must be removed from the
system prior to inserting or removing a card.
The top LED when green indicates that power has been applied to the
terminal and the internal DC/DC convertor is functioning. When the bottom
LED is yellow this indicates hard drive activity on either the CompactFlash
®
or the optional 2.5” drive.
The 9-32V DC input power connector is a 5.08mm 3 pin terminal block.
The terminal screws into the rear panel to a mating connector to provide a
rugged connection. The three pins provided are DC-, Earth Ground, and
DC+. Each pin is labeled on the back panel. Users should connect the
positive polarity of the DC 9-32V input to the DC+ connection. The return
IOS Modules Field I/O
Figure 2.8: SCSI − 50 pin
connector pin out
Rear Panel Field
Connections
Figure 2.9: Rear Panel with
CompactFlash
®
slot, Status
LED’s and DC Power
Terminal.
WARNING: CompactFlash
®
cards are not hot swappable.
Power must be removed from
the I/O Server prior to inserting
or removing a CompactFlash
®
card.
CompactFlash
®
The power input has am
internal 10A fuse and internal
polarity protection.
Power & LEDs