Kramer Electronics PIP-300, PIP-200xl user manual Communication Protocol1, Protocol Definitions

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1 VER-0.1
Defined as 0x88 (ie. 88hex) for BYTE37 = 0; or 0xc8 for BYTE37 = 1
4th BYTE:
Bit 7 – Defined as 1
Bit 6 to Bit 0 (BYTE36…..BYTE30) – 7 bits of BYTE3 (BYTE37 is in LAST byte)
3rd BYTE:
4th byte
1st BYTE: Bit 7 – Defined as 0
Bit 6 – “DESTINATION BIT”: 0 – information is sent from the PC to the PIP 1 – information is sent from the PIP to the PC
Bit 5 to Bit 0 (INST5…..INST0) – “INSTRUCTION” (6 bits)
The function that is to be performed is defined by the INSTRUCTION code (6 bits). Similarly, if a function is performed via the machine’s keyboard, then the machine sends the appropriate INSTRUCTION code. The instruction codes are defined according to the table below.
2nd BYTE: Bit 7 – Defined as 1
Bit 6 – “REQUEST BIT”: 0 – normal operation
1 – requests the PIP to send current data to the PC
Bit 5 to Bit 0 (BYTE25…..BYTE20) – 2nd byte (6 bits)
If the request bit is set, then the PIP will reply by sending the data related to this instruction to the PC. If not set, then the PIP performs the instruction and replies by returning the same 4 bytes (except for the DESTINATION BIT).
MSB
7
0
1st byte
1
2nd byte
1
3rd byte
1

Communication Protocol

10 Communication Protocol1

This RS-232/RS-485 communication protocol uses four bytes of information as defined below. A null-modem connection (pin 2 and pin 3 crossed; pins 5 connected together) is used to link the PIP unit to the controller unit (for example, PC). The data rate is 9600 baud, with no parity, 8 data bits and 1 stop bit.

When switching (for example, instruction codes 1 and 2), the INPUT (7 bits) is set as the input number, which is to be switched. Similarly, if switching is done via the machine’s front-panel, then these bits are set with the INPUT NUMBER, which was switched. For other operations, these bits are defined according to the table.

Table 10: Protocol Definitions

LSB

6

5

4

3

2

1

0

 

DESTI-

 

 

INSTRUCTION

 

 

 

NATION

 

 

 

 

 

 

 

 

D

INST5

INST4

INST3

 

INST2

INST1

INST0

 

 

 

 

 

 

 

 

 

REQUEST

 

 

 

INPUT

 

 

 

RQ

BYTE25

BYTE24

BYTE23

 

BYTE22

BYTE21

BYTE20

BYTE3

BYTE36

BYTE35

BYTE34

BYTE33

BYTE32

BYTE31

BYTE30

LAST

BYTE37

0

0

1

0

0

0

21

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Contents Models Contents FiguresTables Introduction Getting StartedQuick Start Menu Items PIP-300 and PIP-200xl feature OverviewYour Picture in Picture Inserter Machines Define the Picture in Picture Inserter machinesPIP-200xl Picture in Picture Inserter PIP-300 Picture in Picture Inserter Front Panel Picture in Picture Inserter Features Rear Panel Picture in Picture Inserter FeaturesFeature Function Installing on a Rack Before Installing on a RackConnecting the PIP-300 Picture in Picture Inserter Connecting the PIP-300 Picture in Picture Inserter Connecting a PC Connecting a PC without using a Null-modem AdapterConfiguring and Operating your PIP-300 Using the MenuPIP-300 Main Menu Items Menu Item FunctionPIP-300 Menu Guide Mode Submenu Features PIP Sizing and Positioning FeaturesMode Function Video Settings Submenu Features Presets Submenu FeaturesRecommended PIP sizes Labeling Submenu Displaying the Layers in the PIP Mode Press Input button 1, orSize and position channels 1 and 3 as desired Firmware Upgrade Connecting the PC to the RS-232 PortDownloading from the Internet Upgrading FirmwareAction area, select Erase then Program Technical Specifications PIP-200xl PIP-300Communication Protocol1 Protocol DefinitionsInstruction Codes for the Communication Protocol # Hex DescriptionDetails of Instruction SET Instruction 0x11 Contrast Instruction 0x21 to Instruction 0x29 Labeling Only the first purchase customer may enforce this warranty 2900-000081 REV
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