Teledyne 3350 - Microprocessor based control room monitor for personnel safety - Manual (Page 10)

1-4
1 Introduction Model 3350
Teledyne Analytical Instruments
Figure 1-2 Rear Panel, Control Unit - DC
(viewed from inside front door)
• Power Connection 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).
• Analog Outputs 0–10 VDC concentration output.
0–10 VDC range ID (or optional
overrange) output.
4–20 mA DC concentration output,
negative ground.
• Digital Output RS232 (optional).
• Audible Alarm Output for standard internal or customer
supplied external audible alarm
(12VDC@5mA).
• Alarm Connections Alarm 1 (CAUTION), Alarm 2
(DANGER), and Sensor Failure Alarm
connections.
• Sensor Connector Sensor Connector.