5
ORDERING INFORMATION
6
INSTRUCTION
2
3
RT9
0 : Recorder
1 : Recorder & Temperature Controller
0 : ℃ exclusive use
1 : Others
0 : None
1 : Alarm 1
2 : Alarm 1,2
3 : RS485
4 : RS485/Alarm 1
5 : RS485/Alarm 1,Alarm 2
※ 제어출력구성
0
1
2
3
RT9 - 1
Relay (ON/OFFcontrol)
SSR
SCR (4~20mADC)
Relay (P.I.Dcontro)
② Installation
●
For NX9, 7, 3 and 2, attach the brackets (2 units) on the fixed halls and tighten with a
screwdriver.
Fixing torque is about 14.7N. cm (1.5kg.cm). NX1 and NX4 has a plastic bracket.
(Care should be taken not to tighten forcedly.)
③ Caution on terminal connections
●
Use a compensating cable with thermocouple.
● For R.T.D input use a cable which is
a small lead wire resistance and without resistance
difference to 3wires.
●
To avoid inductive noise to input wires seperate from the power and output wires.
●
Keep input wires away from output wires and use shielded wires to earth.
●
If the wiring has noise, use the following step: connect a surge absorber to the conductor
coil side if the conductors are connected to the load output, such as the relay contact output.
●
Use an insulating transformer with a noise filter when the power suppy has much noise.
●
Noise filter should be mounted on a panel which has been earthed and the wiring between
the noise filter output and the instrument power terminals should be shorten.
●
It is effective to use a twisted cable for power supply against noise.
●
The heater power supply and the instrument power supply should be connected using the
same power suppy when a heater break alarm.
●
Time for preparation of contact output is required at power ON. When the output signal is
used for an extenal interlock circuit, connect a delay relay.
④ For load circuit connection
●
Use an extra relay when the frequency of operation is rather high. In thic case,
SSR output type is Recommended.
•
Electromagnetic switch : Proportional cycle time is Min. 30sec
•
SSR : Proportional cycle time is Min. 1 sec
•
Contact output life : Mechanical : Min. 10 million times (no load)
Electrical : Min. 100 thousand times (rated load)
•
SSR drive pulse voltage, DC 4~20mA are not insulated with internal circuit.
Use non-grounded sensor to R.T.D and thermocouple.
⑤ For waterproof (Waterproof type)
The instrument has IP65. Use rubber packing when installing the instrument to panel.
Please attach the rubber in correct way.
⑥ Caution on key operation / trouble
●
If alarm function is not set correctly, alarm output can not be operated at a trouble.
Be sure to check the alarm operation.
●
If the input cable is disconnected, the display shows “ ”.
When replacing the sensor, please turn OFF the power supply.
⑦ Other
Do not use organic solvents such as alcohol, benzine when cleaning. (Use neutral detergent)
This instrument has process-value (PV) and set-value (SV) each 4 digits with 7 segment FND. This
instrument is divided Recorder and Recorder with Controller.
Function and feature : Group P.I.D, Universal-input (19 types), Universal-output (Relay, SSR, 4~20mA),
Auto-tuning 2 types (standard type, low PV type), Communication (RS485),21 types of alarm,
Sampling cycle 250ms, ±0.3 of FS high accuracy. And there are Zoom function, Graphic or Text
printing selectable function, List function, Feed function, Free scale function. RTP is the smallest
Recorder with controller.
Recorder &
Temperature Controller
Control Output
Output code
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