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SEMI E5-1104 © SEMI 1982, 2004 73 Stream,Function Name (Mnemonic) Direction S2,F25 Loopback Diagnostic Request (LDR) S,H<->E,reply Description A diagnostic message for checkout of pr o tocol and communication circu…

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SEMI E5-1104 © SEMI 1982, 2004 72
Stream,Function Name (Mnemonic) Direction
S2,F23 Trace Initialize Send (TIS) M,H->E,reply
Description
Status variables exist at all times. This function
p
rovides a way to sample a subset of those status variables as a function of time.
The trace data is returned on S6,F1 and is related to the original request by the TRID Multiple trace requests may be made to that
equipment allowing it. If equipment receives S2,F23 with the same TRID as a trace function that is currently in progress, the
equipment should terminate the old trace and then initiate the new trace. A trace function currently in progress may be
terminated by S2,F23 with TRID of that trace and TOTSMP = 0.
If S2,F23 is multi-block, it must be preceded by the S2,F39/S2,F40 Inquire/Grant transaction. Some equipment may support
only single-Block S6,F1, and may refuse a S2,F23 message which would cause a multi-block S6,F1.
Each equipment shall document its trace performance limits. The Host Computer shall not send an S2,F23 which exceeds the
equipment’s performance limits, or the equipment may operate incorrectly.
Structure
The following structure is approved for all item formats and should be used by all new
implementations:
L,5
1. <TRID>
2. <DSPER>
3. <TOTSMP>
4. <REPGSZ>
5. L,n
1. <SVID
1
>
.
.
n. <SVID
n
>
The following structure is included for compatibility with previous implementations
and may only be used for items whose SVID is format 3() and 5():
L,5
1. <TRID>
2. <DSPER>
3. <TOTSMP>
4. <REPGSZ>
5. <SVID
1
, . . . , SVID
n
>
Exception
None
Stream,Function Name (Mnemonic) Direction
S2,F24 Trace Initialize Acknowledge (TIA) S,H<-E
Description
Acknowledge or error
Structure
<TIAACK>
Exception
None
SEMI E5-1104 © SEMI 1982, 2004 73
Stream,Function Name (Mnemonic) Direction
S2,F25 Loopback Diagnostic Request (LDR) S,H<->E,reply
Description
A diagnostic message for checkout of protocol and communication circuits. The binary string sent is echoed back.
Structure
<ABS>
Exception
None
Stream,Function Name (Mnemonic) Direction
S2,F26 Loopback Diagnostic Data (LDD) S,H<->E
Description
The echoed binary string
Structure
<ABS>
Exception
None
Stream,Function Name (Mnemonic) Direction
S2,F27 Initiate Processing Request (IPR) S,H->E,reply
Description
Host requests equipment to initiate processing of the identified material at the specified location in the machine using the
specified process program.
Structure
L,3
1. <LOC>
2. <PPID>
3. L,n
1. <MID
1
>
.
.
n. <MID
n
>
Exception
A zero-length PPID indicates no process program is being specified and the equipment is to take whatever action is appropriate
for it to determine the proper program to use. A zero-length MID list indicates no MID is to be associated with the material to be
processed.
Stream,Function Name (Mnemonic) Direction
S2,F28 Initiate Processing Acknowledge (IPA) S,H<-E
Description
Response by equipment to Initiate Processing Request. Returned status indicates whether or not the request was honored by the
equipment.
Structure
<CMDA>
Exception
None
SEMI E5-1104 © SEMI 1982, 2004 74
Stream,Function Name (Mnemonic) Direction
S2,F29 Equipment Constant Namelist Request (ECNR) S,H->E,reply
Description
This function allows the host to retrieve basic information about what equipment constants are available in the equipment.
Structure
L,n
1. <ECID
1
>
.
.
n. <ECID
n
>
Exception
A zero-length list means send information for all ECIDs.
Stream,Function Name (Mnemonic) Direction
S2,F30 Equipment Constant Namelist (ECN) M,H<-E
Description
Data Response
Structure
L,n (number of equipment constants)
1. L,6
1. <ECID
1
>
2. <ECNAME
1
>
3. <ECMIN
1
>
4. <ECMAX
1
>
5. <ECDEF
1
>
6. <UNITS
1
>
2. L,6
.
.
n. L,6
1. <ECID
n
>
2. <ECNAME
n
>
3. <ECMIN
n
>
4. <ECMAX
n
>
5. <ECDEF
n
>
6. <UNITS
n
>
Exception
Zero-length ASCII items for ECNAME
i
, ECMIN
i
, ECMAX
i
, ECDEF
i
, and UNITS
i
indicates that the ECID does not exist.
Stream,Function Name (Mnemonic) Direction
S2,F31 Date and Time Set Request (DTS) S,H->E,reply
Description
Useful to synchronize the equipment time with the host time base.
Structure
<TIME>
Exception
None