Event Masks

Concept Link IconApplies to

Lower mask (Modes EVENTMASK and EVENTMASKEX)

Value Meaning
0 None

1

Bit change

2

Acknowledge alarm

4

Send bit

8

Send register (operator action)

16

Send text (operator action)

32

Send recipe (operator action)
64 Bit change to 0

128

Login (operator action)

256

Logout (operator action)

512

Bit change to 1

1024

Bit change to invalid

2048

Alarm on, acknowledged.

4096

Alarm on, not acknowledged

8192

Alarm off, acknowledged

16384

Alarm off, not acknowledged

32768

Alarm not set (NS)

65536

Acknowledge alarm (operator action)

131072

Run a program (operator action)

262144

Alarm off

524288

Alarm on

1048576

Alarm not available

2097152

Alarm inhibited

4194304

Alarm masked by program

8388608

Alarm masked by variable

16777216

Alarm masked by User

33554432

Alarm masked by expression

67108864

User mask alarm (operator action)

134217728

User unmask alarm (operator action)

268435456

Alarm maintenance on (operator action)

536870912

Alarm maintenance off (operator action)

1073741824

Login attempt failed (operator action)

Upper mask (Mode EVENTMASKEX only)

Value Meaning
1 Send to 0 (operator action)
2 Send to 1 (operator action)
4 State 0
8 State 1

It is simple to combine two or more event masks using the LOGICAL instruction.