QUICK PLC QUIZ

Types of PLC

• Compact PLC

• CPU

• SENSOR

• MOTOR

The first PLC was developed in _______________

• 1996

• 2024

• 1968

• 1930

Five elements of PLC

• 1. 1. CPU

  2. 2. INPUT MODULES

  3. 3. OUTPUT MODULES

  4. 4. SENSOR

  5. 5. POWER SUPPLY

• 1. 1. MOTOR

  2. 2. LIMIT SWITCH

  3. 3. HMI

  4. 4. MEMORY

  5. 5. PC

• 1. 1. RAM

  2. 2. ROM

  3. 3. INDUCTIVE

  4. 4. POWER SUPPLY

  5. 5. HMI

• 1. 1. CPU

  2. 2. INPUT & OUTPUT MODULES

  3. 3. MEMORY

  4. 4. PRGRAMMING DEVICE

  5. 5. POWER SUPPLY

In wiring PLC, if the load devices connected to 24v, what are the techniques of wiring?

• NPN Wiring Technique

• PNP Wiring Technique

Grounding for PLC wiring must less than _____ ohm.

• 2200 ohm

• 100 ohm

• 1 ohm

• 35 ohm

Retro reflective sensors is a type of ______________

• MECHANICAL SWITCH

• PROXIMITY SENSOR

• OPTICS SENSOR

• PUSH BUTTON

What is the size for power supply cables for PLC?

• 1.25mm2

• 20cm

• 200mm

• 15mm

A technician used _____ for tighten the cable/screws in PLC.

• Spanner

• Fork

• Cable Lug

• Push Button

For installing PLC, need to avoid some value of ambient temperature from exceeds.

• 55 °C

• 100 °C

• 90 °C

• 57 °C