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GEM for SIPLACE V7.01 Page 38 of 251 ©Siem ens AG, all rights reserved Variable Nam e VID CONFIGALARMS 1002018 W BITS5 1002019 ALARMID 1002013 ALARMSERIAL 1002015 ALARMSENABLED 1002020 ALARMSSET 1002021 ALARMSTAT E 10020…
GEM for SIPLACE V7.01
©Siemens AG, all rights reserved page 37 of 251
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The SIPLACE has a fixed set of alarm conditions which can occur. Each alarm is
identified by a unique Alarm ID (ALID), and has an associated severity code (ALCD) and
alarm text (ALTX). The possible alarms are shown in "Appendix C -- Alarms".
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Each alarm (ALID) can be in either of two states: CLEAR (off) or SET (on). Several
alarms can be SET simultaneously. At power up, all Alarms are cleared.
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The SIPLACE reports alarms to the Host when they occur, without Host action, using the
alarm report message S5F1 or configurable option, depending on CONFIGALARMS (VID
1002018). The transition of an ALID from OFF to ON is referred to as "going on" or
"leading edge", and the transition from ON to OFF as "going off" or "trailing edge". The
Equipment reports both leading and trailing edge transitions.
The equipment has two CEIDs for each ALID, one for the "going on" transition and one for
the "going off" transition. In addition to the Alarm Report, the Equipment sends an Event
Report if the CEID associated with the alarm change is enabled. If the CEID is enabled
and no report is defined, a "null" Event Report is sent. The event report for an alarm
transition is sent if it is enabled, even if the reporting for the alarm is disabled.
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The Host can use S5F3 (Enable/Disable Alarms) to control which alarms the SIPLACE
should report. Using S5F3, the Host can specify for each ALID whether the Equipment
should report that alarm when it occurs. When an alarm transition occurs, if that ALID is
enabled the Equipment will send an alarm report message to the Host. If the ALID is
disabled, the Equipment will not send the alarm message. The Host can use S2F37 to
enable or disable the CEIDs associated with these alarm transitions.
The SIPLACE saves Alarm Enable/Disable settings on a disk file. When the Equipment
powers up, it will restore Alarm Enable/Disable settings to the same condition they had at
power off.
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The Host can use S5F5 to request the SIPLACE to report all alarms which exist and the
ON/OFF state for each.
The Host can use S5F7 which is similar, but which causes the Equipment to report only
those alarms (ALIDs) which are Enabled, regardless of whether the alarm is ON or OFF.
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The SIPLACE supports the following Alarm Report message formats for older host
implementations.
S5F71/S5F72
S5F73/S5F74
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The following table lists the variables (SV's, EC's, or DVVALS) which are relevant to alarm
management. For a more complete description of these variables, see "Appendix A --
Variables".
Variable Name VID
GEM for SIPLACE V7.01
Page 38 of 251 ©Siemens AG, all rights reserved
Variable Name VID
CONFIGALARMS 1002018
WBITS5 1002019
ALARMID 1002013
ALARMSERIAL 1002015
ALARMSENABLED 1002020
ALARMSSET 1002021
ALARMSTATE 1002014
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Each alarm defined on the SIPLACE has two unique collection events associated with it, a
"Going-On" event, and a "Going-Off" event. The CEIDs are listed in "Appendix B --
Collection Events".
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Processing on the SIPLACE is controlled by Process Programs. The Equipment requires
selection of a Process Program for each process. The SIPLACE supports the use of
unformatted process programs.
Equipment Management of Process Programs
The SIPLACE provides a Process Program Library, implemented as a set of ASCII files
maintained on a hard disk. Each Process Program is identified by a unique Process
Program ID (PPID). A PPID consists of ASCII characters
The Equipment Operator may modify any one of the Process Programs stored on the
Equipment. The host will be notified via the GemPPChangeEvent (CEID 1000016)
Collection Event if the Operator creates, changes, or deletes a Process Program. The
Equipment Operator can also select a PPID to be uploaded to the Host (S7F3), or
download from the Host (S7F5).
Host Management of Process Programs
Process Programs are saved to disk on the equipment. Process Programs are typically
created and updated at the SIPLACE. However, the SIPLACE provides complete facilities
for the Host to manage the storage and use of Process Programs. This allows the
SIPLACE to operate cooperatively Host-implemented systems. The Host has the
following capabilities.
The Host can upload a Process Program from the SIPLACE Library by using S7F5
(Process Program Request). The equipment operator can also initiate a Process
Program Upload through the SIPLACE's user interface.
The Host can download a Process Program to the SIPLACE library by using S7F3
(Process Program Send). The Host may send S7F1 (Multi-block Inquire) to the
equipment before sending a multi-block Process Program. The equipment operator can
also initiate a Process Program Download through the SIPLACE's user interface.
The Host can delete one or more Process Programs from the SIPLACE library by using
S7F17 (Process Program Delete).
The Host can determine which Process Programs are currently stored in the SIPLACE
library by using S7F19 (Process Program Directory).
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The following table lists the variables (SV's, EC's, or DVVALS) which are relevant to
process program management. For a more complete description of these variables, see
"Appendix A -- Variables".
GEM for SIPLACE V7.01
©Siemens AG, all rights reserved page 39 of 251
Variable Name VID
PPCHANGENAME 1002024
PPEXECNAME 1002027
PPCHANGESTATUS 1002025
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The following lists the collection events (CEIDs) which are relevant to process program
management. For a more complete description of these events, see "Appendix B --
Collection Events" or the description in this chapter.
Collection Event CEID
GemPPChangeEvent 1000016
GemBadDownloadEvent 1000017