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Xtender XTS 900-12 User Manual
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Studer Innotec SAXtenderUser manual V4.6.0 337.7.3 Remote entry controlled by an auxiliary relayIt is possible to wire together the auxiliary contacts Aux 1 and Aux 2 so that the function programmedon the remote entry is activated by the state of the auxiliary relay.For example, if we wish to prohibit the transfer relay while the battery is above a certain state ofcharge, we can program the activation/deactivation of the auxiliary relay by the state of charge(see chap. 14.11.9 of the RCC-02/-03 manual) and we wire the Normally Open (N.O.) contacts of theauxiliary relay that is programmed to the remote entry. The remote entry should be programmed toprohibit the transfer relay while the parameter "remote entry active closed {1545}" is true. (See chap.14.13.1.1).It is also possible to link the auxiliary relay Aux 1 to the remote entry without physically wiring themtogether. This is done by activating parameter {1578} as explained in chap. 14 in the RCC-03/-03manual.This option is particularly useful in the XTM model Xtenders that do not have the remote entry withoutthe external module RCM-01 (see chap 9.3) and the XTS model Xtenders that do not have the remoteentry nor the auxiliary relays without the external module ARM-02 (see chap. 9.5).8 MULTI-UNIT CONFIGURATIONSeveral Xtenders can be used in the same system, either to create a three-phase system or toincrease the power output of a single or two phases. The implementation of this configuration requiresparticular precautions and it must be installed and commissioned by qualified personal only.When a multi-unit system is commissioned, the software version of every unit will beautomatically checked and units may refuse to start in case of incompatibility. If so, anupgrade of every unit is required with the RCC-02/-03 to the most recent software versionavailable by the manufacturer. (Read the RCC-02 user's manual to perform this operation).In Multi-unit systems, every Xtender in the system shares the same battery bank.Separate battery banks are not allowed.In these multi-unit systems, the units must be connected via a communication bus by a cable (art.no. CAB-RJ45-8-2) of a maximum length of 5 metres.Various application examples are described from fig. 12 to fig. 19 of Appendix 1.It is important to read and adhere to the descriptions associated with each of the figuresmentioned above.In multi-unit system, it is recommended to use the automatic LVD dynamic compensation.See parameter {1532}.In configuration with several Xtenders, each unit is controlled independently using the ON/OFF pushbutton (41). When the on/off control is given via the RCC-02/-03 remote control, it is appliedsimultaneously to all units.In a multi-Xtender installation, the status of the remote entry of each Xtender is transmittedto all the other Xtenders. If a function is programmed on the remote entry of one of theXtenders, it will be applied to all the Xtenders. |
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