Teledyne 514 Instruction Manual page 19

the rest of the controller circuitry.
Preamplifier
PbS
Detector
Filter
Position
Sensor
To
Heater
Power
&
Module
Therm.
Detector
Compartment
Power
Supply
115 VAC
Power
60 Hz
Transformer
Input
Chopper
casting of the power module enclosure. In the general purpose configura-
tion, these controls include the POWER ON/OFF switch, the MEAS/REF
switch to select the measuring or reference peak voltage to be fed to the
local meter driver, ZERO control, and the NORM/ZERO switch, which
operates in conjunction with the MEAS/REF and ZERO controls.
and NORM/MEAS switches are used on the module instead of the MEAS/
REF switch. A NORM/ZERO switch is also included.
Circuit components C1, D3, and D4 provide stable internal power to
Video
Signal
Clamp
Filter Pos.
Signal
(Gate Pulse)
Switch
Driver
15 VDC
24 VDC
Motor
Figure 2-4.
Operating controls for the analysis section are located on the door
When used with the explosion-proof control module, the NORM/REF
Teledyne Analytical Instruments
A Business Unit of Teledyne Electronic Technologies
Operational Theory 2.0
Manual Peak Balance
Clamped
AGC
Video
Ref. Level
Switching Signals
(S, S', P , P')
Detector Module - Block Diagram
Video
Elec. Sig.
Sw. & Peak
Level Detect.
Coarse
Zero
Control
From
Power
Module
Log
Amplifier
To Meter
E-to-I
Converter
10 to 18 mA (Nominal Value)
To Control Module
2–7