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IQH1S 1U Enclosure
SECTION 3
IQH1SOPS
23/11/06
www.snellwilcox.com
Version 1 Issue 4
3.1
Installation
Important Installation Notice
To fully conform with EMC standards modules must be correctly installed in the mainframes paying
particular attention to the following:
1. A modular card must only be plugged into a rear connection panel specifically designed for that module
2. The rear of the mainframe must have a full complement of rear panels. Any vacant slots must have a blank
rear panel fitted
3. All mainframe covers and rear panels must be fitted and screwed down using all available fixing holes
4. The mainframe front panel must be in the closed position
1U MAINFRAME
POWER CONNECTIONS
This is the IEC320 mains power connector suitable
for a standard IEC type power cable and contains a
2A (T) HBC 250 V fuse. If a fused type plug is fitted
to the cable a fuse of 7A rating should be installed.
POWER ON/OFF SWITCH
The power ON/OFF switch is located behind the
drop-down front panel in the left-hand corner.
Power ON will be indicated by the illumination of
the LED on the front panel.
FRONT PANEL CONNECTOR
When an active control panel is fitted to the unit,
this connector carries the communication signals
between the mainframe and the front panel.
COMMUNICATIONS MODE SWITCH
This
toggle
switch
allows
the
type
of
communication signal used for the rear panel `D'
connector, to be selected.
The switch should be in the UP position to use
RollCall 485 and in the DOWN position to use
RS422(PC) interface signals.
Fuse
100-240V~
60/50 Hz
1.8A
T
T2A H 250V
eway Card
eway Card