Stream 7 - Process Program Management¶

Overview¶

Stream 7 messages handle process program (recipe) management including upload, download, and deletion.

Supported Messages¶

Message	Name	Direction	Description
S7F1	Process Program Load Inquire	H→E	Inquire before download
S7F2	Process Program Load Grant	E→H	Grant download permission
S7F3	Process Program Send	H→E	Download recipe
S7F4	Process Program Acknowledge	E→H	Download response
S7F5	Process Program Request	H→E	Request upload
S7F6	Process Program Data	E→H	Upload recipe
S7F17	Delete Process Program Send	H→E	Delete recipe
S7F18	Delete Process Program Acknowledge	E→H	Delete response
S7F19	Current EPPD Request	H→E	Request recipe list
S7F20	Current EPPD Data	E→H	Return recipe list
S7F23	Formatted PP Send	H→E	Download formatted recipe
S7F24	Formatted PP Acknowledge	E→H	Formatted download response
S7F25	Formatted PP Request	H→E	Request formatted recipe
S7F26	Formatted PP Data	E→H	Return formatted recipe

S7F1 - Process Program Load Inquire¶

Direction: H→E Reply: S7F2 W-Bit: Yes

Structure¶

S7F1 W
<L[2]
  <PPID A>           // Process program ID
  <LENGTH U4>        // Expected length in bytes
>

Example¶

S7F1 W
<L[2]
  <A "RECIPE001">
  <U4 102400>        // 100 KB
>

S7F2 - Process Program Load Grant¶

Direction: E→H Reply Required: No

Structure¶

S7F2
<PPGNT B[1]>

PPGNT Values¶

Value	Description
0x00	OK, ready to receive
0x01	Already have
0x02	No space
0x03	Invalid PPID
0x04	Busy, try later
0x05	Will not accept

S7F3 - Process Program Send¶

Direction: H→E Reply: S7F4 W-Bit: Yes

Structure¶

S7F3 W
<L[2]
  <PPID A>           // Process program ID
  <PPBODY B>         // Recipe binary data
>

Example¶

S7F3 W
<L[2]
  <A "RECIPE001">
  <B 0x1A2B3C4D...>  // Recipe content
>

S7F4 - Process Program Acknowledge¶

Direction: E→H Reply Required: No

Structure¶

S7F4
<ACKC7 B[1]>

ACKC7 Values¶

Value	Description
0x00	Accepted
0x01	Permission not granted
0x02	Length error
0x03	Matrix overflow
0x04	PPID not found
0x05	Mode unsupported
0x06	Async completion

S7F5 - Process Program Request¶

Direction: H→E Reply: S7F6 W-Bit: Yes

Structure¶

S7F5 W
<PPID A>

Example¶

S7F5 W
<A "RECIPE001">

S7F6 - Process Program Data¶

Direction: E→H Reply Required: No

Structure - Recipe Found¶

S7F6
<L[2]
  <PPID A>
  <PPBODY B>
>

Structure - Recipe Not Found¶

S7F6
<L[0]>

S7F17 - Delete Process Program Send¶

Direction: H→E Reply: S7F18 W-Bit: Yes

Structure - Delete Specific¶

S7F17 W
<L[n]
  <PPID A>
  ...
>

Structure - Delete All¶

S7F17 W
<L[0]>

Example - Delete Specific¶

S7F17 W
<L[2]
  <A "RECIPE001">
  <A "RECIPE002">
>

S7F18 - Delete Process Program Acknowledge¶

Direction: E→H Reply Required: No

Structure¶

S7F18
<ACKC7 B[1]>

S7F19 - Current EPPD Request¶

Direction: H→E Reply: S7F20 W-Bit: Yes

Structure¶

S7F19 W
<L[0]>

S7F20 - Current EPPD Data¶

Direction: E→H Reply Required: No

Structure¶

S7F20
<L[n]
  <PPID A>
  ...
>

Example¶

S7F20
<L[5]
  <A "RECIPE001">
  <A "RECIPE002">
  <A "RECIPE003">
  <A "DEFAULT">
  <A "TEST">
>

S7F23 - Formatted Process Program Send¶

Direction: H→E Reply: S7F24 W-Bit: Yes

Structure¶

S7F23 W
<L[3]
  <PPID A>
  <MDLN A>           // Equipment model
  <L[n]              // Recipe commands/parameters
    <CCODE>          // Command code
    ...
  >
>

S7F24 - Formatted Process Program Acknowledge¶

Direction: E→H Reply Required: No

Structure¶

S7F24
<ACKC7 B[1]>

S7F25 - Formatted Process Program Request¶

Direction: H→E Reply: S7F26 W-Bit: Yes

Structure¶

S7F25 W
<PPID A>

S7F26 - Formatted Process Program Data¶

Direction: E→H Reply Required: No

Structure - Recipe Found¶

S7F26
<L[3]
  <PPID A>
  <MDLN A>
  <L[n]
    <CCODE>
    ...
  >
>

Structure - Recipe Not Found¶

S7F26
<L[0]>

Recipe Transfer Sequences¶

Download Sequence¶

Host                     Equipment
  |                          |
  | S7F1 (PPID, LENGTH)      |
  |------------------------->|
  |                          |
  |       S7F2 (PPGNT=0)     |
  |<-------------------------|
  |                          |
  | S7F3 (PPID, PPBODY)      |
  |------------------------->|
  |                          |
  |       S7F4 (ACKC7=0)     |
  |<-------------------------|

Upload Sequence¶

Host                     Equipment
  |                          |
  | S7F5 (PPID)              |
  |------------------------->|
  |                          |
  | S7F6 (PPID, PPBODY)      |
  |<-------------------------|

List and Delete Sequence¶

Host                     Equipment
  |                          |
  | S7F19 (List request)     |
  |------------------------->|
  |                          |
  | S7F20 (PPID list)        |
  |<-------------------------|
  |                          |
  | S7F17 (Delete PPID)      |
  |------------------------->|
  |                          |
  |     S7F18 (ACKC7=0)      |
  |<-------------------------|