Atek ALC 77-C User Manual

 73,5X73,5 MM DIMENSIONS
 600 KHZ SPEED READING
 2 ROW, 7 DIGITS DISPLAY
 COUNTING A AND B SIGNAL
 FUNCTIONAL EXTERNAL Z (RESET) INPUT
 FUNCTIONAL EXTERNAL HOLD INPUT
 QUADRATURE UP AND DOWN COUNTING
 2 PIECES DOUBLE RELAY OUTPUT
 MAKE SELECTION ACCORDING TO SET-1 AND SET-2
 PRESCALE CAN BE ADJUSTABLE (0,000001 UP TO 9999999 )
 DECIMAL BETWEEN 1ST AND 6TH STEP POINT
 5 VDC OR 12 VDC SENSOR SUPPLY OUTPUT
 11 DIFFERENT OUTPUT CONTROL MODE
 ENTERING THE OFFSET VALUE
 PASSWORD SECURITY
USER
MANUAL
PROCESS CONTROL DEVICE
ALC 77-C

Atek ALC 77-C Specifications

General

Brand	Atek
Model	ALC 77-C
Category	Control Unit
Language	English

Summary

1. TECHNICAL FEATURES

ELECTRICAL CHARACTERISTICS

Details on supply voltage, power consumption, sensor supply, connection, inputs, outputs, and serial communication.

PHYSICAL CHARACTERISTICS

Information on weight, mounting, humidity, operating temperature, and protection class, including dimensions.

2. CONNECTIONS

3. DESCRIPTION OF FRONT PANEL

Display and Position LEDs

Explains the function and status indication of LED displays on the front panel.

Button Functions

Details the operational purpose of each button on the front panel.

4. DEVICE PROGRAMMING

4.1. Entering The Set Point to Device (Set)

Guide on setting desired values for output control and device operation.

4.2. Relay Output Modes (Output)

Explains how to configure different relay output behaviors based on set values.

4.3. Relay Output Time (tout)

Details setting specific time durations for relay output activation and deactivation.

4.4. Entering Of Hysteresis (hystere)

Describes how to set hysteresis to prevent relay contact chatter and ensure stable operation.

4.5. Relay Output Positions (out)

Configuration for relay output states (e.g., Nclose, Nopen) based on set points.

4.6. Entering Constant Value (const)

Setting a multiplier for sensor resolution to ensure accurate display readings.

4.7. Selection Of Point Position (Point)

Adjusting the decimal point position on the display for precise value representation.

4.8. Entering Offset Value (offset)

Setting an offset value to adjust the displayed measurement relative to a reference.

4.9. Reset With Button (rst btn)

Enabling or disabling the reset function via the front panel RST button.

4.10. Reset With External Z Signal (rst inpt)

Configuring external Z signal input for resetting the device based on rising/falling edges.

4.11. Activating The Hold Input (Hold)

Activating the hold input to freeze the display value when a signal is received.

4.12. Selection of Hold Type (Holdtyp)

Selecting how the device behaves when the hold input is active or interrupted.

4.13. Selection Sensor Type (Npn/Pnp) (Senstyp)

Selecting the sensor output signal type (NPN or PNP) for correct input processing.

4.14. Selection Of Edge Counting (Countyp)

Configuring the counting method for encoder A and B signals (e.g., quadrature).

4.15. Return to Factory Defaults (Factory)

Resetting the device to its original factory settings using a specific password.

4.16. Keeping In Memory When The Power Fails (Data)

Configuring the device to store the last value during power loss and resume upon restoration.

4.17. Password Protection (Code_in)

Enabling password protection to prevent unauthorized changes to device parameters.

4.18. Annex A – Relay Output Graphic (Out Menu)

Visual representation of different relay output behaviors based on count values and set points.

5. DATA PROTOCOL

6. CERTIFICATE OF WARRANTY