SECS GEM Manual.pdf - 第96页

GEM Manual for DEK Printers SECS II Implementation Issue 1.6 January 22, 2018 Page 96 of 171 S7F3 P rocess Program Send (PPS) S7F4 P rocess Program Acknowledge (PPA) Description: Process programs are transferred between …

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GEM Manual for DEK Printers SECS II Implementation
Issue 1.6 January 22, 2018 Page 95 of 171
5.7 STREAM 7: PROCESS PROGRAM MANAGEMENT
S7F1 Process Program Load Inquire (PPI)
S7F2 Process Program Load Grant (PPG)
Description: This message is used to initiate the transfer of a process program. It’s use,
by the host, is optional.
A. Host Initiated
Host to equipment: S7F1
Structure: L,2
1. <PPID>
2. <LENGTH>
Equipment to host: S7F2
Structure: <PPGNT>
Exception: If LENGTH = 0 or different format then the LENGTH will be
ignored.
B. Equipment Initiated
Equipment to host: S7F1
Structure: L,2
1. <PPID>
2. <LENGTH>
Host to equipment: S7F2
Structure: <PPGNT>
GEM Manual for DEK Printers SECS II Implementation
Issue 1.6 January 22, 2018 Page 96 of 171
S7F3 Process Program Send (PPS)
S7F4 Process Program Acknowledge (PPA)
Description: Process programs are transferred between host and equipment using this
transaction. If the S7F3 message is multi-block, it must be 7ded by the S7F1/S7F2
Inquire/Grant transaction.
A. Host Initiated
Host to equipment: S7F3
Structure: L,2
1. <PPID>
2. <PPBODY>
Equipment to host: S7F4
Structure: <ACKC7>
B. Equipment Initiated
Equipment to host: S7F3
Structure: L,2
1. <PPID>
2. <PPBODY>
Host to equipment: S7F4
Structure: <ACKC7>
GEM Manual for DEK Printers SECS II Implementation
Issue 1.6 January 22, 2018 Page 97 of 171
S7F5 Process Program Request (PPR)
S7F6 Process Program Data (PPD)
Description: The host or the equipment can request a process program using PPR. The
process program is then transmitted in the PPD reply message.
A. Host Initiated
Host to equipment: S7F5
Structure: <PPID>
Equipment to host: S7F6
Structure: L,2
1. <PPID>
2. <PPBODY>
Exception: A list of length zero indicates the request has been denied.
B. Equipment Initiated
Equipment to host: S7F5
Structure: <PPID>
Host to equipment: S7F6
Structure: L,2
1. <PPID>
2. <PPBODY>