11
Fig 2.3
2.2.1.8
Using the screwdriver, tighten both screws so that the Recorder is held firmly
in place. Do not over tighten.
2.3 CONNECTION
2.3.1 Power Connections
NOTE:
The Recorder is designed to be panel mounted and as such
should be considered as permanently connected. Disconnection from
the supply must be possible via a customer supplied switch or circuit
breaker. This disconnection device must be included in the panel
installation and should be clearly marked, in close proximity to the
Recorder and easily accessible to the operator.
THE RECORDER IS DESIGNED TO OPERATE ON 9 Vdc. DO NOT
CONNECT AC MAINS DIRECTLY TO THE UNIT AT ANY TIME
Before connecting any power or inputs to the unit, ensure
that all signal wires and power cables are free of potential.
The unit itself is powered from
9Vdc +0.5V 4.5VA
as
standard although other options are available. The external
wall power supply is a high efficiency switcher that will work
from 100 to 240 Volts AC 50/60 Hz. Check the unit to
ensure that the power and inputs are as expected. The DC
power is applied to the unit via a three-way screw terminal
connector. The power supply is supplied with two tinned
leads, the positive lead is identified by the RED shroud over
the wire. The third connection is for system GROUND. You
will require a small flat-head screwdriver. Connect the
WARNING
Analog Inputs
Relay Outputs
Digital Input
Locking Bar (2)
Retaining Screw (2)
DC Power
Connector
Temperature
Compensator
Fig 2.2 Rear View - Installation
Summary of Contents for Data Chart 1250
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