Introduction - Teledyne 3350 Operating Instructions Manual

1 Introduction

Figure 1-2 Rear Panel, Control Unit - DC
• Power Connection
• Analog Outputs
• Digital Output
• Audible Alarm
• Alarm Connections
• Sensor Connector
Teledyne Analytical Instruments
1-4
(viewed from inside front door)
AC version: Universal 100–240 VAC, at
50/60Hz. The connector housing includes
the fuse holder and the power switch.
DC Battery Backup Version: , 10 to 36
VDC. Supplied by universal 100-240VAC.
Fuse Holder: Replacing the fuses is
described in Chapter 5, Maintenance.
I/O Power Switch: Turns the instrument
power ON (1) or OFF (0).
0–10 VDC concentration output.
0–10 VDC range ID (or optional
overrange) output.
4–20 mA DC concentration output,
negative ground.
RS232 (optional).
Output for standard internal or customer
supplied external audible alarm
(12VDC@5mA).
Alarm 1 (CAUTION), Alarm 2
(DANGER), and Sensor Failure Alarm
connections.
Sensor Connector.
Model 3350