Siemens SM2 monitoring system manual 14 SM2 in computer networks, Selecting hosts with SM2

SM2 in computer networks SM2 monitoring program

2.14 SM2 in computer networks

SM2 provides functions for the central online monitoring and control of monitored-data acquisition in a computer network.

The monitored data is independently recorded on each host in the network by a local SM2 monitoring program, and is exchanged between the hosts via a LAN. In this way, the online reports of all hosts can be output on any computer in the network.

There are also reports which output the combined monitored data of the various hosts.

All control statements for the acquisition of monitored data (changing monitoring cycles, switching monitoring programs, etc.) can be entered on any host for all computers in the network.

The SM2 functions for monitored-data acquisition in a network are also available in a HIPLEX network.

Prerequisites for using SM2 in computer networks

1.An MSCF connection of type CCS (Closely Coupled System) must exist between all hosts in the network.

For further information on this connection type, refer to the “HIPLEX MSCF” manual [4].

2.The SM2 functions for monitored-data acquisition in a network can only be used for those computers in the network which run the same version of SM2.

3.SM2 must be started once on all computers in the network (e.g. with START-SM2) or at least loaded via the DSSM command /START-SUBSYSTEM SUBSYSTEM-NAME=SM2.

Selecting hosts with SM2

The privileged statement SELECT-HOSTS (see page 110) selects the computers to which all subsequently entered SM2 statements are to be sent. This statement always applies to the user who issues it. Following the END statement and a restart, the default value applies again, i.e. SM2 statements are only executed on the local host.

The SHOW-SELECTED-HOSTS statement (see page 140) provides information on the selected hosts. This includes the time of the last monitored variable queried.

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