RT9N Small recorder
- Various alarm functions
- Multi-input and output functions
- Communication function (RS 485)
- Freescale function
- Automatic PID operation
- Record and temperature control

The order from the left is the order in which the information is displayed at the bottom. If you cancel the check, the information will be excluded, and if you check, it will be printed out.

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▍Specification

■ Input

Input types

Thermocouple : K, J, E, T, R, B, S, L, N, U, WRe 5-26, PL-Ⅱ (Refer to input signal and measurement range)

RTD : Pt 100 Ω, KSPt 100 Ω

DC voltage input : 1 - 5 V d.c., 0 - 10 V d.c., -10 ~ 20 mV d.c., 0 - 100 mV d.c. (Free scale method)

⚠️ Notice

When using a current input, this product functions properly only with voltage divider feedback.

Therefore, be sure to check whether the circuit uses current-sensing feedback or voltage divider feedback before use.

However, if only one channel is used, both feedback methods are supported.

Sampling cycle

250 ms

Input display resolution

Basically below the decimal point of "Measurement range index"

Input impedance

Thermocouple and DC voltage input (mV) : 1 MΩ min.,DC voltage input(V): approx. 1 MΩ

Allowable signal source resistance

Thermocouple : 250 Ω max., voltage : 2 kΩ max

Allowable wiring resistance

- RTD : 10 Ω max./wire (conductor resistance among 3 wires should be the same)

Allowable input voltage

- Within ±10 V (thermocouple, RTD, voltage: mV d.c.)

- Within ±20 V (voltage: V d.c.)

Noise removal rate

 

- NMRR (normal mode) : 40 dB min. (50/60 Hz ±1%)

- CMRR (common mode) : 120 dB min. (50/60 Hz ±1%)

Standards

- Thermocouple/RTD (KS/IEC/DIN)

Standard contact

compensation tolerance

±1.5 ℃ (15 ~ 35 ℃), ±2.0 ℃ (0 ~ 50 ℃)

Input disconnection detection

(BURN-OUT)

- Thermocouple : OFF, UP/DOWN scale selectable

- RTD: UP Scale (detection current during thermocouple and RTD BURN- OUT: approx. 50 mA)

Accuracy

Display and record accuracy: ±0.5% (Full Scale)

Input range

Refer to “Input signal and measurement range”. Thermocouple and RTD can be changed within the

range of input signal and measurement range chart. DC voltage can change the minimum voltage and

maximum voltage within each range. Scaling possible within the conditions of measurement range.

■ Output

Alarm output

Relay contact

output

- Contact capacity : 240 V a.c. 1 A, 30 V d.c. 1 A (resistive load)

- Contact configuration : 1a

- Output contacts: 2 (AL1, AL2)

Control output

Relay contact

output

- Contact capacity : 240 V a.c. 3 A, 30 V d.c. 3 A (resistive load), contact configuration : 1C

- Output operation : PID, ON/OFF, proportional cycle : 1 ~ 1,000 sec.

- Output limit : 0.0~100.0% range high limit (OH), low limit (OL) selectable,also during auto-tuning.

- ON/OFF hysteresis : 0 ~ 100% (Full Scale)

- Time resolution : lower between 0.1% or 10 ms

SSR output

(voltage pulse output)

- ON voltage : approx. 12 V d.c. min.

(load resistance 400 Ω, approx. 30 mA current limit during short circuit)

- OFF voltage : 0.1 V d.c. max., proportional cycle : 1 ~ 1,000 sec.

- Output operation : PID

- Output limit : 0.0~100.0% range high limit (OH),low limit (OL) selectable,also during auto-tuning.

- Time resolution : lower between 0.1% or 10 ms.

SCR output

(4-20 mA d.c.)

- Load resistance: 400 Ω max.

- Accuracy : ±0.5% of max. scale (4 - 20 mA range), resolution : approx. 3,000

- Output ripple : max. ±0.3% (P-P) of max. scale (150 Hz)

- Output sampling cycle : 250 ms, output operation: continuous PID

- Output limit: -5.0~105.0% range high limit (OH),low limit (OL) selectable,also during auto-tuning

※ the output type can be selected from relay, SCR or SSR

■ Function

Measurement input

- Input calibration (Bias) : -100.0 ~ 100.0 % for instrument range

(can calibrate the desired correction value to the measurement input value)

- Scaling: measurement range scaling is possible according to maximum value (SH) and

minimum value (SL) settings of measurement range.

- Input filter: OFF, 1 ~ 120 sec.

Control

PID groups : 3 types

- PID groups : 3 types

- Auto-tuning : auto-tuning operates according to set value (SV) (standard type, low PV type)

- Proportional band : 0.1 ~ 999.9% (max. range)

- Integral time : OFF, 1 ~ 6000 sec.

- Derivative time : OFF, 1 ~ 6000 sec.

- ON/OFF control : by selecting output code (OT) “1”

- PID selection : ZONE PID / Auto 1, 2, 3 selectable.

- Manual reset : -5.0 ~ 105.0% of output (valid only when integral time is “OFF”)

- Direct /reverse action selection: selectable by parameter.

- Emergency output value : -5.0 ~ 105.0% of output value

- ON/OFF hysteresis (HYS) : 0.0~100.0% of instrument range (however, valid only if set to ON/OFF control)

- ARW (Anti Reset Wind-up) : AUTO, 50.0 ~ 200.0%

- Fuzzy function: ON or OFF selection by parameter

- Ramp function: the rising temperature and falling temperature gradient can be set in hours or

minutes when the power is on.

Alarm output

- Set contacts : 2 (1 contact per channel, 1-channel type only supports alarm 1 contact)

- Alarm types : high/low, high/low deviation, hold high/low, heater break (refer to "alarm type and code" table)

- Setting range : during absolute value alarm 0 ~ 100% of instrument range

during deviation alarm -100 ~ 100% of instrument range

Record

- Measuring points: 1

- Response time : according to record speed

- Record type : thermal line

- Printing method : 203 dpi (8.0 dots/mm) 384 dots per line

- Recording speed : 20, 30, 60, 120, 180, 300, 600, 900 mm/h

- Recorder paper check: if there is no paper the front display window P-END lamp turns on and record stops.

- Recorder paper : width 57.5 mm, length approx. 16 m

■ Operating environment

Installation environment

- Continuous vibration (5 - 14 Hz) : Forward width 1.2 mm. max.,

- Continuous vibration (4 ~ 150 Hz): 4.9 m/s² max.

- Chort-time vibration : 14.7 m/s² , 15 sec. max. (each of 3 directions)

- Shock: 147 m/s², 11 ms max. (6 directions each 3 times)

- Panel dimensions: refer to "dimension and panel cutout"

Normal operating conditions

- Ambient temperature : 0 ~ 50 ℃

- Ambient humidity : 35 ~ 85 %RH (with no condensation)

- Magnetic influence : 400 AT/m max.

- Warm-up time : 30 minutes min.

Ambient temperature influence

- Thermocouple, voltage input : ±1 μV/℃ or ±0.01%/℃ of max. range

- RTD input : ±0.05 Ω/℃ max.

- Analog output : Max. ±0.05%/℃ of max. range (continuous output)

■ Power supply

Power voltage

100 - 240 V a.c. (voltage fluctuation rate ±10% )

Power frequency

50 - 60 Hz

Power consumption

15 W max., 20 VA max.

Insulation resistance

Between primary terminal and secondary terminal:

500 V d.c. 20 MΩ min.

Between primary terminal and ground:

500 V d.c. 20 MΩ min.

Between secondary terminal and ground:

500 V d.c. 20 MΩ min.

Dielectric strength

Between primary terminal and secondary terminal:

2,300 V a.c. 50/60 Hz for 1 minute

Between primary terminal and ground:

2,300 V a.c. 50/60 Hz for 1 minute

Between secondary terminal and F•G:

1,500 V a.c. 50/60 Hz for 1 minute

■ Transport and storage conditions

Storage temperature

-25 ~ 70℃

Storage humidity

5 ~ 95% RH (with no condensation)

Shock

1 m max. in packed condition (natural fall)

■ Interface

Standard

EIA RS485

Maximum number

of connections

max. 31

(1 ~ 99 address settings available)

Communication method

2-wire half-duplex

Synchronization

Asynchronous

Communication sequence

None

Communication distance

Within 1.2 km

Communication speed

2400(setting value 2), 4800(setting value 3),

9600(setting value 4), 14400(setting value 5),

19200(setting value 6)

(communication speed changes by parameter settings)

START BIT

1 BIT

DATA BIT

7 or 8 BIT

PARITY BIT

None, Even Numbers, Odd numbers

STOP BIT

1 or 2 BIT

PROTOCOL

PC LINK(setting value 0),

PC LINK SUM(setting value 1),

MODBUS-ASCIl(setting value 2),

MODBUS-RTU(setting value 3)

RESPONSE TIME

Reception handling time + (response time × 10 ms)

※ MODBUS coming soon

▍Suffix code

Model

Code

Content

RT9N-

 

 

 

2-channel temperature controller & recorder 96(W) × 96(H)

Control type

0

Temperature record only

1

Temperature record & control

Number of channels

1

1 channel

2

2 channels

Only control the same output type

Options

0

None (AL1 built-in)

1

AL2

only for 1-channel models

2

AL2, communication (RS485)

3

Communication (RS485)

▍Dimension & Panel cutout

[Unit : ㎜]

■ Dimension

 Dimension

■ Panel cutout

 Panel cutout