Atek ALC 77-T User Manual

 73,5X73,5 MM DIMENSIONS
 2 ROW, 7 DIGITS DISPLAY
 5 KHZ INPUT FREQUENCY
 COUNTING A AND B SIGNAL
 2 PIECES DOUBLE RELAY OUTPUT
 DECIMAL BETWEEN 1ST AND 6TH STEP POINT
 5 VDC OR 12 VDC SENSOR SUPPLY OUTPUT
 ENTERING THE OFFSET VALUE
 PASSWORD SECURITY
 DISPLAY RANGE: -999999....9999999
PROCESS CONTROL DEVICE
ALC 77-T
USER
MANUAL

Atek ALC 77-T Specifications

General

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

Summary

1. TECHNICAL FEATURES

2. CONNECTIONS

3. DESCRIPTION OF FRONT PANEL

Display and Position LEDs

Details the function and status indication of the front panel displays and LEDs.

Button Functions

Explains the operational purpose of each button in various device modes.

4. DEVICE PROGRAMMING

4.1. Entering The Set Point to Device (Set)

Guide on setting desired target values for output control functions.

4.2. Selection Of Input Type -Forward/Backward- (Cnt_typ)

Configures how input signals are interpreted for counting operations.

4.3. Entering Constant Value (const)

Set multiplier for accurate sensor readings and display resolution.

4.4. Selection Of Point Position (Point)

Adjusts the decimal point placement on the display for readability.

4.5. Selection Of Sample Time (SAMP.time)

Filters input frequency to improve counting stability and prevent interference.

4.6. Selection Of Time Unit (time.bas)

Choose the unit (minutes, seconds, hours) for time-based functions.

4.7. Relay Output Modes (Output)

Define how relays respond to set points and counter states.

4.8. Relay Output Time (tout)

Set specific durations for relay activation based on measured values.

4.9. Relay Output Positions (out)

Configure relay contact type (Nclose or Nopen) at set point activation.

4.10. Activating The Hold Input (Hold)

Control counting by enabling or disabling the hold input signal.

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

Specify sensor signal type (NPN or PNP) for accurate input detection.

4.12. Return To Factory Defaults (Factory)

Reset all device settings to their original factory configuration.

4.13. Password Protection (Code_in)

Secure device settings by requiring a password for changes.

4.14. Annex A – Graphics of RELAY OUTPUT Types (Output Menu)

Illustrates different relay output behaviors for various counter modes.

5. CERTIFICATE OF WARRANTY