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Getting Started
The output, labeled A4 is special. It can be set by the user (see Section 6.5.7)
to output any one of the parameters accessible through the <TST TST> keys
of the intruments Sample Display.
The standard configuration for these outputs is 0 – 5 VDC. An optional Current
Loop output is available for each. Pin-outs for the Analog Output connector at
the rear panel of the instrument are located in Table 3-1.
Pin
1
2
3
4
5
6
7
8
The default analog output voltage setting of the 400E O
with a range of 0 – 500 ppb.
To change these settings, see Sections 6.4 and 6.5.
3. If you wish utilize the analyzer's Status Outputs to interface with a device that
accepts logic-level digital inputs, such as Programmable Logic Controllers (PLC's)
they are accessed via a 12 pin connector on the analyzer's rear panel labeled
STATUS.
26
Table 3-1: Analog Output Pin Outs
Analog Output
A1
A2
A3
A4
STATUS
1
2
3
4
5
S
C
H
Z
S
D
Y
O
I
E
P
I
S
N
G
R
A
A
T
C
H
O
N
G
E
M
V
R
C
C
M
A
A
A
A
O
O
L
N
L
L
D
K
I
G
E
D
E
Standard
Voltage Output
V Out
Ground
V Out
Ground
Not Available
Not Available
V Out
Ground
+
6
7
8
D
Model 400E Ozone Analyzer
Instruction Manual
Current
Loop Option
I Out +
I Out -
I Out +
I Out -
Not Available
Not Available
Not Available
Not Available
Analyzer is 0 – 5 VDC
3
P/N 04316 Rev: B
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