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UMA710-2-xx-ISO-xx, Manual.docx
Issued: 11.Jan.2016
25
5.3.4. Remote alarm indicator
Ex works, the following A+B terminals are provided for the connection of BMS bus devices:
Remote alarm indicator, control panels and other Bender-BMS-bus devices can be connected to these
terminals.
1. A BMS device or an existing BMS bus with several devices is connected to terminals: The last
device at the other end of the bus must be terminated with 120ohm. Terminals A and B remain
terminated.
2. An existing BMS bus that has already been terminated on both ends, is disconnected; one open
branch is connected to terminals A+B, while the other one is connected to the other terminals A+B:
The 120 Ω resistor, provided ex works, must be removed and the open bus branches must be
connected to the specified terminals.
Please read the information on cable routing in the "BMS bus" instruction leaflet as well as the
individual, job or project related BMS bus wiring schematic if applicable.
The power supply unit T1 (DC 24V, 420mA) can supply power to a maximum of three MK2430 alarm
indicator and test combinations via the ter24V and 0V. In this respect, please refer to the
documentation for the relevant devices. The power supply unit T1 is not suitable for supplying power to
TM... operator panels. Alarm and control panels /e.g. TM, FM, TCP series) can be supplied via the 230V
terminals (where applicable).
5.3.5. Building management and SCADA system
If messages from the UMA changeover and monitoring module are to be transmitted to a SCADA system,
you have the following options:
Protocol converter (Gateways)
OPC-Server
Common alarm via the relay outputs of the ATICS® unit
Conversion between BMS bus and digital inputs and outputs by means of alarm indicator and
operator panels (e.g. TM, FM, TCP) or signal converters (e.g.SMO480-12, SMO482-12, SMI 472-
12).
5.3.6. Bypass-switch (optional)
By using the optional bypass switch (S1) the changeover and monitoring module can be set into the bypass
mode. In this case the switch will bypass the ATICS® (N1) unit. The ATICS® switch can then be tested or
replaced without power interruption downstream to the changeover and monitoring module.
Only skilled persons may work or operate the changeover and monitoring module. Skilled
means, persons who are familiar with the assembly, commissioning and operation of the
equipment and have undergone appropriate training. Such persons must have read this manual
and understood all instructions relating to safety.
Please refer to the chapter
“operation of the bypass mode” of this manual.