YULIAN

QX series

distinguish QX2 QX3 QX4 QX7 QX9enter Types of thermocouples K, J, T, R (ITS-90)Contact compensation level standard ±1.5 ℃ (within -10 ~ 50 ℃)Types of resistance thermometers Pt100Allowable inter-cable impedance Each of the three wires should have a resistance of no more than 10 Ω (but the resistance values ​​of the three wires should be the same).Sampling period 100 mscontrol

Output Relay output Rated switching capacity: 5 A 240 V AC, 5 A 30 V DC

Maximum AC power: 750 VA, 90 W

Maximum switching voltage: 250 V AC, 110 V DC

Maximum switching power: 5 A

Mechanical life: 20 million cycles (at 180 CPM)Voltage pulse output 12-15 V DC pulse voltage (load impedance above 600 Ω)Current output 4 ~ 20 mA ±0.2 % of FS ±1 digit, above: 600 Ω and belowcontrol Way ON/OFF, PID control, 2-DOF PID controlOutput Action Reverse motion, forward motion systemMemory Non-volatile memory lifespan EEPROM unlock: When set to E2P.L: OFF in G.SET menu (EEPROM lifespan: 1 million write cycles before failure).

EEPROM unlock: When set to G.SET menu E2P.L: ON (stored in RAM)Auxiliary output Relay 1-2 points, rated switching capacity: 5A 240V AC, 5A 30V DCOptions RS-485 Communication methods EIA RS485 standard, 2-wire half-duplexMaximum number of links 31 units (addresses set to 1 ~ 99)Synchronization method 2-wire half-duplexCommunication sequence No orderCommunication distance Within 1.2㎞Communication speed 4800, 9600, 14400, 19200, 38400, 57600 BPSstart bit 1 bitData bits 7 and 8 bitsParity bit NONE, EVEN, ODDStop bit 1 or 2 bitsCommunication Protocol PC-LINK STD, PC-LINK WITH SUM, MODBUS-ASCII, MODBUS-RTUResponse time Actual response time = Processing time + (Response time x 50 ms)

Power supply section

power supply voltage 100 – 240 V ac 50/60 HzVoltage variation rate ±10% of the power supply voltageInsulation resistance Above 20 MΩ, 500 V dcWithstand voltage 3,000 V ac 50/60 Hz 1 minute (between terminal 1 and terminal 2)Consume electricity Below 8.5 VAUse ambient temperature/humidity -10 ~ 50 ℃, 35 ~ 85 % RH (but, no condensation)Storage temperature -25 ~ 65 ℃Certification CE   KC

– Anti-static (ESD): KS C 61000-4-2

– Conductivity RF (CS): KS C 61000-4-6

– EFT (RS): KS C 61000-4-3

– Surge: KS C 61000-4-5

IP65 (Front Side)Weight (g) QX2/QX3: Approx. 142, QX4: Approx. 104, QX7: Approx. 152, QX9: Approx. 222

※ Box and mounting bracket not includedFinished product Product, mounting bracket, rubber sealing gasket, instruction manual

Category:

Description

Excellent control performance, high-brightness white LED, and ease of use
– Achieves high precision (display accuracy ±0.3% of FS ± 1 digit)
– Short 63 mm body (with protective cover, total length 78.4 mm)
– Fully protected (IP65) – Convenient mounting brackets (QX2, 7, 9)
– Fully removable for easy maintenance/repairability – RS485 communication

 

 

download:QX_series(KP)_manual_cn

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Engineering Excellence

Professional engineering support with 17 years of experience in automation and electrical components.

Precision Manufacturing

Stable and reliable production of PLCs, I/O modules, relays, terminals, and switches.

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Quality-first processes ensuring consistent performance and customer trust.

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Continuous improvement to support automation, new energy, and electrical industries.

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From manufacturing to final inspection, every process is carefully controlled to meet international standards and long-term performance requirements for automation and electrical components.

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