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SM_T_H_COM
The SM_T_H_COM is a temperature and humidity sensor for the CS121 and is used for the
monitoring and controlling of UPS rooms, server rooms etc.. Please take a look into the
SM_T_H_COM datasheet for further information.
3.2.15.2 AUX and SITESWITCH4 Settings
The AUX connection is an input/output port for connecting external contact devices such as
alarms or for connecting to an SS4AUX SiteSwitch power socket manager. The SS4
SiteSwitch is a standalone device with a built in CS121. The SiteSwitch SS4 AUX is an
inexpensive and practical extension to the CS121 adapters enabling the individual power
switching of up to four power sockets – using the inbuilt AUX port (4 pins) of the CS121. By
entering the corresponding list number, the AUX ports are switched to output or input.
The AUX port can only read signals, if the port is switched to input. If switched to output the
AUX port can send signals to an optocoupler for example. (Refer to the circuit diagrams in the
appendix.) After a reboot, the state of the switches remains in the status previous to the
reboot.
The following describes the configuration of the AUX ports using the HTML interface. All of the
AUX ports 1 – 4 can be manually set to „Output“ so that in the event of an alarm, the CS121
can be preconfigured in the “Events” menu to switch the ports individually. When all ports are
set to “Output”, this is equivalent to activating the „SS4 Mode“. The SS4 mode is to be
activated when connecting a SITESWITCH4 to the AUX port of the CS121.
When the Output options are deactivated, the AUX ports act as inputs used for monitoring
signals such as input from alarm contacts. For example, while configuring port 2 as an input to
monitor an alarm, the CS121 can also be preconfigured to respond to the alarm signal from
port 2 to shut on or off a device connected to one of the other ports that has been set to
Output.
For example see also the settings in figure “HTTP - COM2 & AUX” above.
The OUTPUT setting is to be configured with a power-up sequence so that, for example the
fileserver on port 1 will be switched on upon Power up. In the Power up delay-fields the
number of seconds after a Power up in which a connected port device is to be switched on can
be entered. E.g. the setting 10 in the Power delay column will cause the switching on of the
fileserver on Port 1 to be delayed by 10 seconds after the Power up. Note that executing the
Save, Exit & Reboot does not cause a Power up, in order to cause a Power up the power
supply to the adapter must be interrupted. The differences between a Reboot and a Power up
become more noticeable when considering the AUX port contacts. During a Reboot the current
status of the ports remain unchanged unless the settings of the ports have been changed from
input to output or vice versa. A Power up will set the ports to the preconfigured Power up
settings.
Note: From CS121 HW131 it is required, if the AUX ports will be defined from
“Unused” to In- or rather Output, that a cable with Pull-Down resistance
or a CON-AUX or a CON-R-AUX is connected. Otherwise the status
display of the AUX ports is undefined and can be changed by itself
anytime !
3.2.16 SENSORMANAGER
The SENSORMANAGER is a data measurement and collecting unit which allows the
individual measurement and monitoring of 8 analog measurement devices (0-10V) and 4
digital alarm inputs or 4 outputs (open collectors). SENSORMANAGER has its own chapter in
the manual, wherein the features and field of applications etc. pp. are described as well as in
depth the various specific configurations.
In generally, the SENSORMANAGER unit is connected with its COM 1 port to CS121’s COM 2
port, which has to be configurated as SensorManager mode (see also section COM 2 settings
above).
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