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Longo Modbus Products LMP-1.MP2 STANDARDS PROVISIONS: Standards, recommendations, regulations and provisions of the country in which the devices will operate, must be considered while planning and setting up electrical devices. Work on 230 V AC network is allowed for authorized personnel only.
Longo Modbus Products LMP-1.MP2 1 ABBREVIATIONS Sorted by order of appearance in document: Set point Control Panel Touch Button Liquid crystal display...
Longo Modbus Products LMP-1.MP2 2 DESCRIPTION LMP-1.MP2 Modbus RTU Slave compatible control panel (CP) is used for room temperature regulation as radiators, chilled beams, floor heating ... Panel is equipped with temperature and light intensity sensor and four touch buttons (TB).
Longo Modbus Products LMP-1.MP2 3 FEATURES Figure 1: LMP-1.MP2 module Table 1: Features Room temperature measurement 2+2 touch buttons for temperature set point 10 position LCD bar-graph for temperature set point Light intensity measurement LCD intensity control Economic function 2/4 pipe heating cooling system supported...
Longo Modbus Products LMP-1.MP2 4 OPERATION Basic settings can be entered with panel Touch Buttons (TB). Modes of operation and parameters can be set from any Modbus RTU Master. It is advised to press touch-buttons respectively with finger not faster than 1 press per second.
Longo Modbus Products LMP-1.MP2 Error In case of CP internal or communication fault, “ERR” sign appear on LCD. When any of four buttons is pressed more than certain time, “SET” sign appear on LCD and buttons functioning is enabled. After “SET” sign is off, push buttons functions are disabled.
Longo Modbus Products LMP-1.MP2 4.3 Parameters If parameter is set to logical “1”, is considered to be active, enabled or set. If parameter has logical value “0” is considered to be inactive, disabled, or cleared. Parameter can be status or command or both. When parameter is marked as status this means that module is sending information to controller.
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Longo Modbus Products LMP-1.MP2 room temperature instead of temp. value measured by CP panel. Absolute PI out: Result of PI calculation algorithm used for valve opening Light intensity: Actual light intensity measured by sensor on CP Min. light intensity: When Light intensity is lower than this parameter, LCD bar graph on CP turns Remote temp.
Longo Modbus Products LMP-1.MP2 4.4 Modbus RTU variables memory Table 2: Coils Memory Variable description Range Values 00001 Not used 00002 Normal/Economy command Normal/Economy 00003 Local/Remote command Local/Remote 00004 Setpoint DOWN command 0/DOWN 00005 Setpoint UP command 0/UP 00006 System ON/OFF command...
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Longo Modbus Products LMP-1.MP2 Table 4: Digital Inputs Memory Variable description Range Values 10001 Communication status Error/OK 10002 Normal/Economy status Normal/Economy 10003 Local/Remote status Local/Remote 10004 Heat Valve status Closed/Open 10005 Cool Valve status Closed/Open 10006 System ON/OFF status ON/OFF...
Longo Modbus Products LMP-1.MP2 4.5 Modbus RTU settings memory Table 6: Holding Registers Memory Variable description Range Values 40090 EEprom Write Command 0/12345 0 -> 12345 = EEprom Write 40091 Not used 40092 Not used 40093 Not used 40094 Not used...
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Longo Modbus Products LMP-1.MP2 Table 7: K1 K1.1 N.C. Not connected K1.2 Ground K1.3 7 .. 30 V DC Power supply input K1.4 Standard RS-485 A Data receive/send line A K1.5 Standard RS-485 B Data receive/send line B K1.6 N.C.
Master ● Frames of other vendors most probably suits as well, but they were not verified by Smarteh. Before installation verify compatibility of non listed frames. Module housing has a fin on each side, which can be easily removed with knife cutter or pliers. This adaptation enables housing to be build in various frame formats with two different depths.
3. Put the LMP-1.MP2 in mounting frame 4. Cover LMP-1.MP2 with cover plate Modbus RTU settings source is set with DIP switch on the back of the LMP-1.MP2 module (Table 9). NOTE: Signal wires must be installed separately from power and high voltage wires in accordance...
S/N: MP2-S9-1100000003 is the serial number. • MP2 – short product name, • S9 – user code (test procedure, e.g. Smarteh person xxx), • 11 – year (last two cyphers) • 00000003 – current stack number; previous module would have the stack number •...
Longo Modbus Products LMP-1.MP2 7 TECHNICAL SPECIFICATIONS Table 10: Technical specifications Power supply 7 .. 30 V DC from an external source Interconnection connector type RJ-12 6/6 Power consumption Dimensions (W x H x D) 75 x 49 x 29 mm...
Longo Modbus Products LMP-1.MP2 8 CHANGES The following table describes all the changes to the document. Date Description 12.10.11 The initial version, issued as LMP-1.MP2 module UserManual.
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