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SIPLACE GEM for S25HM, S27HM, HS50 , HS60 SW Version GEM 503.02 HOST Inter fac e Manual Page 80 of 243 ©Siemens AG, all rights reser ved 4.3.9 S1F14 - Connect Request A cknow ledge The Equipm ent sends this m ess age usi…
SIPLACE GEM for S25HM, S27HM, HS50, HS60 SW Version GEM 503.02
HOST Interface Manual
©Siemens AG, all rights reserved page 79 of 243
4.3.7 S1F12 - Status Variable Namelist Reply
S1F12 * H<-E
<L
<L [3]
<U4 VID> * Variable ID
<A SVNAME> * Status Variable Name
<A UNITS> * Units of Measure
...
> .
The Equipment returns the Variable descriptions in order requested in S1F11. If any VID
specified in S1F11 is invalid, the corresponding List in S1F12 has the following error
format:
<L> * Instead of L [3]
4.3.8 S1F13 - Connect Request
The Equipment sends this message using the following format.
S1F13 W * H<-E
<L
<A MDLN>
<A SOFTREV>
> .
The Host sends this message using the following format.
S1F13 W * H->E
<L> .
Either end of the link may send S1F13 as the first message to establish connection of the
link.
Under the SIPLACE's initialization logic, the Equipment will always attempt to establish the
link. If no Host acceptance reply is received, the Equipment sends this message
periodically.
SIPLACE GEM for S25HM, S27HM, HS50 , HS60 SW Version GEM 503.02
HOST Interface Manual
Page 80 of 243 ©Siemens AG, all rights reserved
4.3.9 S1F14 - Connect Request Acknowledge
The Equipment sends this message using the following format:
S1F14 * H<-E
<L
<B [1] 00> * COMMACK
<L
<A MDLN>
<A SOFTREV>
>
> .
The Host sends this message using the following format:
S1F14 * H->E
<L
<B [1] 00> * COMMACK
<L>
> .
The Equipment always sends the value 0x00 for COMMACK.
In messages received from the Host, COMMACK value 0x00 indicates acceptance of the
connect request. Any other value indicates refusal.
4.3.10 S1F15 - Request Off-Line
S1F15 W . * H -> E
Host requests the Equipment to go Off-Line.
4.3.11 S1F16 - Off-Line Acknowledge
S1F16 * H <- E
<B [1] 0x00> . * OFLACK
Equipment Control State transits to Host Off-Line and sends this message in response to
S1F15 primary. OFLACK is always zero.
4.3.12 S1F17 - Request On-Line
S1F17 W . * H -> E
Host requests the Equipment to go On-Line.
4.3.13 S1F18 - On-Line Acknowledge
S1F18 * H <- E
<B [1] ONLACK> .
SIPLACE GEM for S25HM, S27HM, HS50, HS60 SW Version GEM 503.02
HOST Interface Manual
©Siemens AG, all rights reserved page 81 of 243
Equipment responds to S1F17 primary in an attempt to go On-Line. Data item ONLACK
indicates the success or failure of the attempt.
ONLACK Description
0x00 OK. Equipment On-Line transition successful.
Equipment Control State transits to either Local
or Remote while On-Line as guided by the EC
„GemOnlineSubstate“.
0x01 On-Line not allowed.
0x02 Equipment already On-Line.
4.3.14 S1F65 - Connect Request
Note: This message is provided only for compatibility with Host computers which support
an older version of GEM
.
The Equipment Constant ConfigConnect can be set to cause the Equipment to send
S1F65 instead of S1F13 for Connect Request.
The Equipment sends this message using the following format:
S1F65 W * H<-E
<L
<A MDLN>
<A SOFTREV>
> .
Format 1: The Host sends this message using the following format:
S1F65 W * H->E
<L> .
Format 2: The Equipment also accepts the following form of this message:
S1F65 W . * H->E
Either end of the link may send S1F65 as the first message to establish connection of the
link.
Under the SIPLACE's initialization logic, the Equipment will always attempt to establish the
link. If no Host acceptance reply is received, the Equipment sends this message
periodically.