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INZ-TN4ZAFE-E
Installation Conditions
• The analyzer should not be exposed to direct sunlight
or radiation from a hot object.
• A place subjected to heavy vibrations should be
avoided. A location with clean atmosphere should be
selected.
• When the analyzer is installed outdoors, it should be
sheltered with a housing or cover to protect it from
rain and wind.
Optional Specifications
Relay contact output:
5 SPST relay contact outputs
Relay contact capacity; 220 V AC/2 A
(resistive load)
Isolated with relay between contacts,
and between contacts and internal
circuit.
Max. 5 points are selectable among
those listed below.
<1> Zero-side solenoid valve drive
output for automatic calibra-
tion
<2> Span-side solenoid valve drive
output for automatic calibra-
tion
<3> Suction pump OFF output in
automatic calibration
(reray “ON” immediately after
turnning on power supply)
<4> Upper limit (1 point) concentra-
tion alarm output
<5> Lower limit (1 point) concentra-
tion alarm output
<6> Upper/Lower limit (1 point)
concentration alarm output
<7> Upper limit (1 point) and lower
limit (1 point) concentration
alarm output
(Total 2 points)
<8> High-high limit (1 point at each
step) concentration alarm out-
put
(Total 2 points)
<9> Low-low limit (1 point at each
step) concentration alarm out-
put
(Total 2 points)
<10> Analyzer error or automatic
calibration error alarm output
<11> Calibrating status output
<12> Range information output (only
with 2-range meter)
Contact input:
3 non-voltage contact inputs
ON; 0 V, OFF; 5 V DC, current at ON;
5 mA
Isolated with photo coupler between
inputs and internal circuit. Not is lated
between contact inputs.
The following actions can be input
<1> Remote holding of measured
value output
<2> Remote range changeover (only
with 2-range meter)
<3> Remote start of automatic
calibration
Interference gas measured value input:
Analog input for H
2
meter interference
correction (1 to 5 V DC, 1 range)
Either CO
2
or CH
4
component of an
external gas analyzer is to be input.
Adjustment is required at Fuji Elec-
tric’s factory.
Details of measurement gas will be
checked when receiving an order.
Automatic calibration function:
Zero and span calibrations are auto-
matically carried out at the predeter-
mined intervals.
Calibration gases are flowed sequen-
tially by driving the externally installed
solenoid valves.
Communicating function
RS-232C (9-pin D-sub output)
Half duplex, asynchronous
MODBUS
TM
protocol, communication
speed 9600 bps
Contents of communication:
Reading/writing of mea-
sured concentration values
and various set values, and
output of device status
Remarks: For connection in RS-485,
RS-232C/RS-485 converter
should be provided seper-
ately