PID TEMPERATURE CONTROLLER AI-7X42-Series

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PID TEMPERATURE CONTROLLER AI-7X42-Series Specification

Power Supply
100-240 V AC (50/60Hz)

Temperature Range
-199°C to 1800°C (input dependent)

Theory
Proportional-Integral-Derivative (PID)

Alarm
1 or 2 relay output alarms selectable

Type
PID Temperature Controller

Display Type
Dual 4-digit 7-segment LED Display

Memory
Non-volatile EEPROM

Accuracy
±0.2% of FS ±1 digit

Size
96 x 48 x 110 mm

Resolution
1°C / 0.1°C

Net Weight
Approx. 350 g

Interface
Universal Input (Thermocouple, RTD, mV, V, mA)

Measuring Range
-1999 to 9999 (depends on input type)

Includes
Controller Unit, Instruction Manual

Panel Cutout Size
92 x 45 mm

Setting Method
Digital Keypad

Operating Humidity
85% RH

Control Output
Relay, SSR, Current (4-20mA)

Output Capacity (Relay)
250V AC 3A (Resistive load)

Control Method
Auto/Manual PID, ON/OFF

Input Types Supported
K, J, T, E, R, S, B, N, WRe, Pt100, Cu50, Volt, mA

Storage Temperature
-10C to 60C

Mounting Method
Panel Mount

Indication
PV (Process Value), SV (Set Value)

Environmental Protection
IP54 (front panel)

Sampling Cycle
250 ms

About PID TEMPERATURE CONTROLLER AI-7X42-Series

AI-7X42-Series

Features

Low cost, Effective, Easy to use PID Temperature Controller
4 Digit Single Row Display
Selectable sensor input (T/C : J,K,R,S & RTD) from keyboard
Programmable Lower & Upper set point limits
Programmable control action ON-OFF/PID control
Programmable hysteresis in ON-OFF mode
Programmable time delay to activate output in ON-OFF mode
Selectable heat/cool logic in ON-OFF control mode
Four different alarm modes (Low/High/Band/Deviation)
Alarm latch / Alarm inhibit function
Second output for auxiliary control/alarm mode
Program lock function (To prevent unauthorized tampering)
Universal supply voltage ranges from 90 To 270 VAC
Available in 5 Standard DIN sizes Specification

Specification

Series		AI-7X42
Display
	Type	7 Segment LED
	No. of Digit	4 Digit Single Row
	LED Indication	Output Status
	Display height	Table No.1
Input Specification
Measurement
	Input	Thermocouple J, K, R, S; RTD: pt-100
	Indication Accuracy	0.3% FS
	Resolution	J, K, R, S : 1°C RTD : 1°C / 0.1 °C
Output Specification
Set Points
	No. of Set Points	2
	SP Range Limit	J : 0 to 760 °C K : -99 to 1200 °C R : 0 to 1700 °C S : 0 to 1700 °C RTD : -100 to 450 °C RTD.1 : -99.9 to 450.0 °C
Output 1
	Relay / SSR Drive	To be Specified (Factory Set)
	Relay Contact Rating	5 A @ 250 VAC/30 VDC resistive
	SSR Drive	12 VDC @ 50 mA
Output 2
	Relay / SSR Drive	To be Specified (Factory Set)
	Relay Contact Rating	5 A @ 250 VAC/30 VDC resistive
	SSR Drive	12 VDC @ 50 mA
Functional Specification
Control Action		PID or ON/OFF
Control Parameter
	Hysteresis	J, K, R, S, RTD : 1 to 99 °C RTD.1: 0.1 to 99.9 °C
	Delay	0 to 500 Sec
	Proportional Band	0.5 to 99.9°C
	Cycle Time	0.5 to 100.0 Sec
Output 2 Function
	Aux. Control	Absolute / Deviation
	Alarm	Low /High /Band /Deviation
	Alarm Hysteresis	J, K, R, S, RTD : 1 to 99 °C RTD.1 : 0.1 to 99.9 °C
General Specification
Supply Voltage
	H90 - 270 VAC/DC
	24 VAC/DC (OPTIONAL)
Temperature
	Operating	0 - 50°C
	Storage	-20° to 75°C
Humidity (Non-condensing)	95 % RH

Versatile Input & Output Solutions

The AI-7X42-Series controller accommodates various input types, including K, J, T, E, R, S, B, N, WRe thermocouples, Pt100 and Cu50 RTDs, as well as voltage and mA inputs. Its flexible output configurationRelay, SSR, or Currentenables seamless integration into different systems, ensuring adaptability across multiple industrial environments.

Robust Performance & Intuitive Operation

Designed for high accuracy and reliability, the controller offers a rapid 250ms sampling cycle and memory retention through non-volatile EEPROM. Its panel mount design fits a cutout size of 92 x 45 mm, complemented by a user-friendly digital keypad. The dual LED display ensures clear monitoring of status and settings even in challenging working conditions.

FAQs of PID TEMPERATURE CONTROLLER AI-7X42-Series:

Q: How do I install and set up the AI-7X42-Series temperature controller?

A: The device is designed for panel mounting with a cutout size of 92 x 45 mm. Installation involves securing the controller in the panel, connecting the appropriate inputs (thermocouple, RTD, or signal), and configuring settings via the digital keypad. Refer to the included instruction manual for step-by-step wiring and parameter setting guidance.

Q: What input types and temperature ranges does this controller support?

A: The controller accepts thermocouples (K, J, T, E, R, S, B, N, WRe), RTDs (Pt100, Cu50), and voltage/mA signals. Supported temperature range varies based on the input type, from as low as -199C up to 1800C. The measuring range is -1999 to 9999 depending on the sensor used.

Q: When should I use Auto PID or Manual PID control modes?

A: Auto PID mode is suitable for processes requiring precise and continuous temperature control with automatic tuning. Manual PID is ideal for operations that benefit from user-defined control adjustments. ON/OFF mode can be chosen for simpler applications or backup control.

Q: Where can this temperature controller be used effectively?

A: The AI-7X42-Series is suitable for industrial applications such as process heating, ovens, plastic machinery, laboratory equipment, and HVAC systems. Its wide input compatibility and panel mount design make it adaptable to a variety of control systems.

Q: What is the process for configuring output alarms on this controller?

A: Output alarms can be set using the digital keypad. You may select 1 or 2 relay output alarms depending on process requirements. Alarm parameters such as set point and function are programmable through the menu as outlined in the instruction manual.

Q: How does the controller ensure long-term data retention and stability?

A: Settings and parameters are stored on non-volatile EEPROM memory, ensuring retention even after power loss. The device operates reliably in environments with up to 85% humidity and within a storage temperature range of -10C to 60C.

Q: What are the key benefits of using the AI-7X42-Series PID controller?

A: The controller delivers precise temperature regulation, supports a wide array of sensors, and offers a sturdy interface with multiple output options. Its fast response time, easy configuration, and durable panel-mounted design with IP54 front protection make it an excellent choice for both exporters and manufacturers in demanding industrial settings.

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