Datum Systems PSM-500L Bedienungsanleitung PDF herunterladen (Seite 45)

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

Rev 0.93 12/12/10

B-45

Demod LNB, Command [86h]

Read Change Flags (Hybrid & L-Band Only)

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 0

LnbPwr

Reserved

IOut

IMax

IMin

Ref

LoFrq

Byte 1

Spare

Byte 2

Spare

Byte 3

Spare

Demod LNB, Read Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 4

PwrEn0

PwrEn1

PwrEn2

RefEn0

RefEn1

RefEn2

Spare

Byte 5

Spare

Byte 6

Spare

Byte 7

Spare

Demod LNB, Read Bytes

Bytes 8-9

Reserved

Bytes 10-11

Reserved

Bytes 12-13

LNB Current Out, Signed 16b, (0 to >500), 1mA Increments

Bytes 14-15

LNB Current Max, Signed 16b, (5 to 500), 1mA Increments

Bytes 16-17

LNB Current Min, Signed 16b, (5 to 500), 1mA Increments

Bytes 18-23

LNB LO Frequency, Unsigned 48b, (0 to 50,000,000,000), 1Hz Increments

Bytes 24-33

Spare

Demod LNB, Write Enable Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 0

BucPwr

IMax

IMin

Ref

LoFrq

Byte 1

Byte 2

Byte 3

Demod LNB, Write Flags

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 4

PwrEn0

PwrEn1

PwrEn2

RefEn0

RefEn1

RefEn2

Spare

Byte 5

Spare

Byte 6

Spare

Byte 7

Spare

Demod LNB, Write Bytes

Bytes 8-9

Bytes 10-11

Bytes 12-13

Bytes 14-15

LNB Current Max, Signed 16b, (5 to 500), 1mA Increments

Bytes 16-17

LNB Current Min, Signed 16b, (5 to 500), 1mA Increments

Bytes 18-23

LNB LO Frequency, Unsigned 48b, (0 to 50,000,000,000), 1Hz Increments. Note 1

Bytes 24-33

Spare

[PwrEn2-PwrEn0] = LNB Power, 3b, 0=Disabled, 1=Enabled, 18 Volts, 2=Enabled, 13 Volts.

[RefEn2-RefEn0] = LNB 10MHz Ref, 3b, 0=Disabled, 1=Enabled

Note 1: When the LNB LO frequency is not zero the Demod IF frequency is converted to an RF frequency.

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