Siemens LMV5 Series Basic Documentation page 7

Siemens Building Technologies
HVAC Products
General ................................................................................................. 76
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Load-dependent activation of the higher burner stages ....................... 76
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Function diagrams ................................................................................ 77
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1.1 Actual values (X) ........................................................................................... 78
Input 1, TEMP, Pt100 sensor (DIN) X60............................................... 78
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Input 2: TEMP. / PRESS INPUT, DC 0...10 V / DC 2...10 V / 4...20 mA
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X61 ....................................................................................................... 78
Measuring range temperature (can be parameterized)..................... 78
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Measuring range pressure (can be parameterized) .......................... 78
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Input 4: TEMP, Pt1000 / LG-Ni 1000 X60............................................. 79
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1.1 Setpoints (W)................................................................................................. 80
Internal setpoint .................................................................................... 80
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Input 3: SET POINT INPUT X62........................................................... 80
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External predefined setpoint ............................................................. 80
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External predefined load ................................................................... 80
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External predefined ........................................................................... 80
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load, modulating................................................................................ 80
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External predefined load, multistage................................................. 81
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External setpoint changeover............................................................ 81
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External setpoints or predefined load via digital e-bus interface .......... 81
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1.1 Integrated temperature limiter function.......................................................... 82
TL within the scope of TRD .................................................................. 82
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TL with external predefined load........................................................... 82
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Requirements placed on sensor and protection pocket........................ 82
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1.1 Cold start thermal shock protection (CSTP) .................................................. 83
1.1.1 CSTP - modulating operation ........................................................................ 83
1.1.1 CSTP - multistage operation ......................................................................... 84
1.1.1 CSTP with temperature sensor in pressure plants ........................................ 84
1.1 Output............................................................................................................ 85
1.1.1 Output 4...20 mA ........................................................................................... 85
Output, modulating ............................................................................... 85
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Output, multistage................................................................................. 85
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1.1 Multiboiler plants............................................................................................ 85
1.1.1 Multiboiler plants by means of an analog input ............................................. 85
1.1.1 Multiboiler plants by means of a digital interface........................................... 85
1 Display and operating unit AZL5... ............................................................ 86
1.1 Assignment of AZL5... terminals ................................................................... 87
Connecting cable to the e-bus adapter ................................................. 88
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Connecting cable to the PC .................................................................. 88
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1.1 Ports of the AZL5... ....................................................................................... 89
1.1.1 Port for the PC............................................................................................... 90
1.1.1 Connection to superposed systems .............................................................. 91
General information and BACS functions ............................................. 91
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Reading eBus-specific ...................................................................... 91
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data ................................................................................................... 91
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Writing parameters............................................................................ 92
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List of supported ................................................................................... 92
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eBus commands ................................................................................... 92
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1.2 Display and settings ...................................................................................... 93
Basic Documentation LMV51...
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CC1P7550en
01.10.2003