Color coding standards (ISA-101) in SCADA systems - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main purpose of color coding standards in ISA-101?

To provide clear, consistent visual signals in SCADA systems that help operators quickly understand system status and take correct actions.

beginner

Which color typically indicates a normal or safe condition in ISA-101 color coding?

Green usually means normal operation or safe condition.

beginner

In ISA-101, what does the color red usually represent?

Red signals an alarm or a critical condition that needs immediate attention.

intermediate

Why is consistency important in ISA-101 color coding standards?

Consistency helps operators quickly recognize and respond to system states without confusion, improving safety and efficiency.

intermediate

Name two colors used in ISA-101 to indicate caution or warning states.

Yellow and amber are commonly used to indicate caution or warning states.

In ISA-101 color coding, what does the color green usually mean?

A Maintenance required

B Critical alarm

C System offline

D Normal or safe condition

Green indicates normal or safe conditions in ISA-101 color coding.

Which color in ISA-101 signals an immediate alarm that needs urgent action?

A Blue

B Red

C Yellow

D Green

Red is used to indicate critical alarms requiring immediate attention.

Why should color coding be consistent across SCADA displays according to ISA-101?

A To make screens colorful

B To confuse operators

C To help operators quickly understand system status

D To reduce system performance

Consistency helps operators quickly recognize system states and respond correctly.

Which colors are commonly used to indicate caution or warnings in ISA-101?

A Yellow and amber

B Red and green

C Blue and purple

D Black and white

Yellow and amber are standard colors for caution or warning states.

What does the color blue usually represent in ISA-101 color coding?

A Information or advisory

B Operator action required

C Normal operation

D Critical alarm

Blue is often used for informational or advisory messages.

Explain the importance of using color coding standards like ISA-101 in SCADA systems.

Think about how colors help operators understand system status fast.

List the common colors used in ISA-101 and what each color typically means.

Focus on the main colors and their meanings.