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3. Optional Functions
Remote output holding:
Output signal is held at the last value
or preset value by voltage input to the
remote output holding input terminals.
Holding is maintained while the voltage
is input to the terminals. Indication of
instantaneous values are not held.
by a contact position.
The contact output terminals close for
is selected, and open when the second
range is selected.
Auto calibration:
Auto calibration is carried out periodically
at the preset cycle.
When a standard gas cylinder for calibra-
tion and a solenoid valve for opening/
(Option)
be carried out with the solenoid valve drive
contacts for zero calibration and each
span calibration turned on/off sequentially
at the set auto calibration timing.
Auto calibration cycle setting:
Auto calibration cycle is set.
Setting is variable within 1 to 99 hours
(in increments of 1 hour) or 1 to 40 days
(in increments of 1 day).
in auto calibration is set.
Settable within 60 to 900 seconds (in
increments of 1 second)
Auto calibration remote start:
Auto calibration starts by opening the auto
calibration remote start input terminal
after short circuiting for 1.5 sec or longer.
Auto calibration starts when contacts
open.
Auto zero calibration:
Auto zero calibration is carried out peri-
odically at the preset cycle.
This cycle is independent from "Auto
calibration" cycle.
When zero calibration gas and solenoid
valve for opening/closing the calibration
the customer, zero calibration will be car-
ried out at the set auto zero calibration
timing.
Auto zero calibration cycle setting:
Auto zero calibration cycle is set.
Setting is variable within 1 to 99 hours
(in increments of 1 hour) or 1 to 40 days
(in increments of 1 day)
zero calibration is set.
Settable within 60 to 900 seconds (in
increments of 1 second)
High/low limit alarm:
Alarm contact output turns on when
measurement value reaches the preset
high or low limit alarm value.
Contacts close when the instantaneous
alarm limit value or falls below the low
alarm limit value.
Instrument error contact output:
Contacts turn on at occurrence of analyzer
error No. 1, 2, 3 or 10.
Calibration error contact output:
Contacts turn on at occurrence of manual
or auto calibration error (any of errors No.
4 to 9).
Auto calibration status contact outputs:
Contacts turn on during auto calibration.
Communication function:
RS-485 (9pins D-sub connector)
Start-stop synchronization
Modbus RTU™ protocol
Contents : Read/Write parameters
Remark
4. Performance
Repeatability:
±0.5% of full scale (H
Linearity:
±1% of full scale (H
Zero drift:
±2% of full scale/week
Span drift:
±2% of full scale/week (H
Response time (for 90% FS response) :
1 to 15 sec electrical response. Within
10-30 seconds including replacement time
of sampling gas.
*H
S analyzer (0-2000 ppm range): within
2
180 s
*H
S analyzer (0-5000 ppm range): within
2
300 s
5. EC Directive Compliance
The product conforms to the requirements of the Low Volt-
age Directive 2006/95/EC and EMC directive 89/336/EEC
(as amended by Directive 92/31/EEC), both as amended by
Directive 93/68/EEC.
It conforms to following standards for product safety and
electromagnetic compatibility ;
EN61010-1:2010,EN62311:2008
Safety requirements for electrical equipment
for measurement, control and laboratory use.
"Installation Category II"
"Pollution Degree 2"
EN61326-1:2006, EN61326-2-3:2006,
EN61000-3-2:2006, A1:2009,A2:2009
72
Read measurement concen-
tration and instrument status
: When connecting via RS-
232C interface, an RS-232C
RS-485 converter should
be used.
S: ±2.0 %FS)
2
S: ±2.0 %FS)
2
S: ±2.5 %FS)
2
INZ-TN2ZPAF-E
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