Datum Systems PSM-500L Manual do Utilizador descarregar pdf (Página 20)

Datum Systems, Inc. PSM-500 Modem Remote Control Protocol

Rev 0.93 12/12/10

B-20

Unit Redundancy, Command [06h]

Read Change Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 0

Mode

SwRqst

SwHold

Config

Spare

Byte 1

Spare

Byte 2

Spare

Byte 3

Spare

Unit Redundancy, Read Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 4

Mode0

Mode1

SwRqst0

SwRqst1

SndCfg

OnLine

Spare

Byte 5

Spare

Byte 6

Spare

Byte 7

Spare

Unit Redundancy, Read Bytes

Bytes 8-9

Switch Hold Time, 16b, (0 to 6,000), 100ms Increments

Bytes 10-11

Spare

Unit Redundancy, Write Enable Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 0

Mode

SwRqst

SwHold

Config

Byte 1

Byte 2

Byte 3

Unit Redundancy, Write Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 4

Mode0

Mode1

SwRqst0

SwRqst1

SndCfg

Spare

Byte 5

Spare

Byte 6

Spare

Byte 7

Spare

Unit Redundancy, Write Bytes

Bytes 8-9

Switch Hold Time, 16b, (0 to 6,000), 100ms Increments

Bytes 10-11

Spare

[Mode1-Mode0] = Redundancy Mode, 2b, 0=Disabled, 1=Internal 1:1, 2=External

[SwRqst1-SwRqst0] = Switch Request, 2b, 0=Any Alarm, 1=Alarm A, 2=Alarm B, 3=Alarm A&B

[SndCfg] = Config Backup, 1b, 0=Idle, 1=Send Config to Backup Unit (This Unit Must be Online)

[OnLine] Flag added in Rev 0.2 to aid in working from a single packet.

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