16 H-S81-HS Installation & Operation Manual — P/N LS10114-000HI-E:A 2/24/2015
General Description Mechanical Structure
1.2 Mechanical Structure
The H-S81-HS system is a modular unit consisting of 19” 3-unit high anodized aluminum racks;
they will be installed in a metal cabinet with revolving rack and acrylic glass door. It can include a
variable number of racks (2 to 11), according to the specific needs.
The first rack is always required. It includes the Base with one or two CPUs, the operator interface
display and the keyboard. Modules can be installed from the 2nd rack on. They will be arranged by
type and number according to the requirements of the system to be protected. Besides the versions
designed to the customer's request, 3 versions with certified structure and cabinet are available for
the European market:
• H-S81-HS/1R: Base rack + 1 module rack, wall cabinet W=600, H=700, D=400mm
• H-S81-HS/2R: Base rack + 2 module rack, wall cabinet W=600, H=1100, D=400mm
• H-S81-HS/10R: Base rack and up to 10 module racks, for ground floor installation W=800,
H=2100, D=800mm
Each module is connected to field devices by a flat cable and an electronic terminal block fitted on
a DIN bar at the bottom of the switchboard; alternatively, modules can be connected to field
devices by pre-wired connectors connected to electromechanical terminal blocks.
Rear
Connections
System Status
LEDs
Display
Keypad
Base Rack
CPU boards and
LAN ports.
Module Rack
Rack Controller
13 I/O modules
per each rack
Figure 1.2 Module Rack
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