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Teledyne API – T101 Operation Manual Getting Started
31
Table 3-2. Rear Panel Description
Component Function
cooling fan
Pulls ambient air into chassis through side vents and exhausts through
rear.
AC
power
connect
or
Connector for three-prong cord to apply AC power to the analyzer.
CAUTION! The cord’s power specifications (specs) MUST comply
with the power specs on the analyzer’s rear panel Model number
label
SAMPLE
Connect a gas line from the source of sample gas here.
Calibration gases are also inlet here on units without zero/span/shutoff
valve options installed.
EXHAUST
Connect an exhaust gas line of not more than 10 meters long here that
leads outside the shelter or immediate area surrounding the instrument.
SPAN 1
On units with zero/span/shutoff valve options installed, connect a gas line
to the source of calibrated span gas here.
SPAN2/VENT
Used as a second cal gas input line when instrument is configured with
zero/span valves and a dual gas option, or as a cal gas vent line when
instrument is configured with a pressurized span option
(Call factory for
details).
ZERO AIR
Internal Zero Air: On units with zero/span/shutoff valve options installed
but no internal zero air scrubber attach a gas line to the source of zero air
here.
RX TX
LEDs indicate receive (RX) and transmit (TX) activity on the when blinking.
COM 2
Serial communications port for RS-232 or RS-485.
RS-232
Serial communications port for RS-232 only.
DCE DTE
Switch to select either data terminal equipment or data communication
equipment during RS-232 communication.
STATUS
For outputs to devices such as Programmable Logic Controllers (PLCs).
ANALOG OUT
For voltage or current loop outputs to a strip chart recorder and/or a data
logger.
CONTROL IN
For remotely activating the zero and span calibration modes.
ALARM
Option for concentration alarms and system warnings.
Information Label
Identifies the analyzer model number and provides power specifications
ETHERNET
Connector for network or Internet remote communication, using Ethernet
cable
ANALOG IN
Option for external voltage signals from other instrumentation and for
logging these signals
USB
Connector for direct connection to personal computer, using USB cable.
07266B DCN6485