Teledyne 3220 - Multi-channel oxygen monitor system - Manual (Page 41)

Oxygen Monitor System 5 Failure and Error Codes
Teledyne Analytical Instruments 27
SELECT Switch—Use this membrane switch to access any of the
Channel Module’s four user-configurable modes and their options. The
four modes are:
1. Calibration Mode—This mode allows you to select ZERO and
SPAN values. It also is used during the “One-Man” (1MAN)
calibration option.
2. Alarm Configuration Mode—This mode allows you to adjust the
set points of the concentration alarms as well as define the
configuration for the alarms as Hi/Lo, Fail-Safe / Non-Fail-safe,
and/or Latching / Non-Latching.
3. Identification (ID) Code Set Mode—This mode allows you to define
the unique ID for each Channel Module for use with RS-485
communication Special option, contact factory).
4. Passcode Enable/Disable Mode—This mode allows you to enable or
disable the factory-defined passcode.
5. Range Selection—This mode allows you to set Range 1, Range 2, or
Autorange. It also allows you to change their upper limits.
6. Cell Fail Alarm—This function allows to set the trigger point of the
Cell Fail Alarm in percent Oxygen. The Cell Fail Alarm triggers
when the output falls below this value.
ENTER Switch—Use this membrane switch in conjunction with the
SELECT Switch to select a user-configurable mode and then the option
highlighted.
RUN Switch - Pressing this membrane switch places the Channel Module
in the analysis mode, i.e., the unit is operational.
When in one of the four user-configurable modes,
these arrows allow you to navigate through the
options. In addition, the UP/DOWN arrow keys
can be used to:
• set the values shown on the display for ZERO and SPAN
• increase/decrease the setpoint value of Alarm 1 and Alarm 2.
Red LED, when illuminated indicates Alarm 1 conditions. The LED
flashes when bypassed.