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Teledyne API Model 200AU NO
X
Analyzer Instruction Manual, 02293, Rev. F
6-1
6 OPTIONAL HARDWARE AND SOFTWARE
Optional equipment offered with the M200AU includes:
1. Rack mount with slides
2. Rack mount without slides, ears only
3. Stainless steel zero/span valves
4. 4-20mA, isolated outputs
5. NO
y
Converter
6.1 Rack Mount Options
Rack Mount including slides and ears, permits the Analyzer to be mounted in a standard 19"
wide x 24" deep RETMA rack. Can also be ordered without slides for applications requiring the
instrument to be rigidly mounted in a RETMA rack.
6.2 Zero/Span Valves
The Zero/Span Valve option consists of two stainless steel solenoid valves. This option is
applicable only to the instrument with internal molybdenum converter. See Figure 2-5 for valve
location. Connections are provided on the rear panel for span gas and zero gas inputs to the
valves. (See Figure 2-2) The valves can be actuated by several methods shown in Table 6-1.
Table 6-1: Zero/Span Valve Operation
Mode Description Reference Section
1. Front panel operation via
CALS and CALZ buttons
Calibration Section 7 - Manual Zero/Span Check.
2. Automatic operation using
AUTOCAL
Setup and use of AUTOCAL is described in Table 6-2,
and Section 7.3.
3. Remote operation using the
RS-232 interface
Setup described in Table 6-2. Operation of AUTOCAL
described in Section 5.3.2 and Section 7 - Calibration. A
complete description of the RS-232 interface is available.
Order part number 01350.
4. Remote operation using
external contact closures
Section 7.7 - Automatic operation using external contact
closures. Truth Table 7-8 and Section 9.3.4.3.