ETC IRIDEON, Installation And User Manual

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62 Astronomical Time Clock installation instructions
Astronomical Time Clock (ATC) installation
instructions for existing MCP/Remote Station
installations.
The Astronomical Time Clock is available as rack mount, 120 or 230 volts.
The ATC resides on the same data run as the Remote Stations. Wiring
for the ATC with Remote Stations should be a single run daisy chain
configuration with a 120 ohm termination resistor between the two data
lines (+&-) after the last station. Recommended maximum overall cable
length for the remote control run cannot exceed 1000 feet total.
Existing MCP/Remote Station installations that are adding the ATC into
the system, for astro time clock functionality, currently have the Remote
Station (Data & DC power) wired directly from the Master Control
Processor (MCP).
Installation of the ATC into an existing system:
Step 1: Mounting
N o t e :
The ATC should be mounted in the same proximity as the Master
Control Processor (MCP) for easy installation and wiring.
a. For rack mount, secure the two mounting brackets on the
sides of the ATC into a 4U space on a standard 19” rack.
b. For installations requiring a wall mount unit, remove the rack
mount brackets from the unit, then remove the front panel
and secure unit to the wall as shown.
C A U T I O N :
This unit is not designed to recess into the wall.
N o t e :
Knockouts are located on top and bottom of the ATC to facilitate hookup.
Attach
to wall
at these
points
Attach
to wall
at these
points