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BX8 Board type digital temperature controller
- PID auto tuning
- Multi inputs (various sensor inputs)

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▍Specification

■ Input

Input

Thermocouple: K, J, E, T, R, B, S, L, N, U, WRe 5-26, PL-Ⅱ

RTD : Pt100 Ω, KPt100 Ω.

Direct voltage : 1 - 5 V, -10 - 20 ㎷, 0 - 100 ㎷ (free scale)

Sampling cycle

250 ㎳

Input resolution

Below decimal point of measurement range

Input impedance

Thermocouple and mV input: min. 1 ㏁, DC V: 1 ㏁

Allowable signal source resistance

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

Lead wire tolerable resistance

RTD: max. 10 Ω / 1 wire

(but the conductor resistance among 3 wires should be the same)

Input tolerable voltage

within ±10 V (T/C, RTD, Voltage : mV DC), ±20 V (Voltage : VDC)

Noise removal rate

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

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

Standard

T/C, RTD : KS, IEC, DIN

Standard junction temp.

compensation toleranc

±1.5 ℃ (15 ~ 35 ℃), ±2.0 ℃ (0 ~ 50 ℃)

BURN-OUT

T/C: OFF, UP/DOWN scale selectable. RTD : UP Scale

(detection current at thermocouple and RTD BURN-OUT: approx. 50 nA)

Accuracy

±0.5 % (FULL SCALE)

Input range

T/C and RTD are changeable within range of input signal and measurement range.

DC voltage: min. voltage and max. voltage are changeable within each measurement range.

Scaling available in the measurement range conditions

■ Output

Retransmission output

▪ Resolution : Approx. 3,000

▪ Sampling cycle : 250 ㎳

▪ Accuracy : ±0.5 % of max. scale (4 - 20 ㎃ range)

Alarm output

▪ Contact: 1a

▪ Point: 1 point

▪ Output points: Refer to “Terminal Arrangement”

Control

output

Relay contact

output

▪ Time resolution : 0.1 % or 10 ms (the smaller)

▪ Proportional cycle : 1 ~ 1000 sec.

▪ Output operation : time proportional, ON/OFF

▪ Output limit : 0.0~100.0 % range, high limit(OH) or low limit(OL) (selectable also during AT)

▪ ON/OFF hysteresis : 0 ~ 100 % (Full scale)

SSR

voltage pulse

output

▪ Proportional cycle: 1 ~ 1,000 sec

▪ OFF voltage: max. 0.1 V d.c.

▪ Output operation: time proportional

▪ Output limit: 0.0~100.0 % range, high limit (OH) low limit(OL) (selectable also during AT)

Current

output

(4-20 mA)

▪ Sampling time : 250 ms

▪ Output operation : PID control

▪ Accuracy : ±0.5 % of full scale (4 - 20 mA range), Resolution : Approx. 3,000l

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

▪ Output limit : -5.0 ~ 105.0 % range, high limit(OH) or low limit(OL) (selectable also during AT)

※ Output type can be selected from relay, current or SSR and heating/cooling types can be set individually

▍Suffix code

Model

Code

Information

BX8-

48x48 ㎜ Board Type Digital Temperature Controller

Control Type

0

 

Normal Type

1

 

Heating / Cooling

Optional

0

SV2 / SV3

1

HBA

2

RS485

3

HBA / RS485

▍Dimension & Panel cutout

■ Display

표시부

※ Cable length basically 300 ㎜

■ Control

제어부