Siemens Synco 200 - Page 4

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Siemens Universal Controllers RLU2… CE1P3101en
Building Technologies Contents 29.08.2008
8.4 Variable step switch (STEP Vx) ..............................................................75
8.5 Linear step switch (STEPLIN).................................................................79
8.6 Binary step switch (STEPBIN) ................................................................84
8.7 3-position output (3-POINT)....................................................................88
9 Controller (CTLOOP x)..........................................................................91
9.1 General....................................................................................................91
9.2 Control strategies and setpoints for controller 1, basic type A................93
9.3 Control strategies and setpoints for universal controllers .....................105
9.4 Changeover...........................................................................................109
9.5 Sequence controllers, output assignments ...........................................114
9.6 Limitation, general (LIM) .......................................................................121
9.7 Limitation of individual sequences (SEQLIM) .......................................124
9.8 Locking sequences according to the outside temperature ...................127
9.9 Summer / winter compensation ............................................................129
9.10 Universal setpoint shift ..........................................................................131
9.11 Deviation message (DV ALM)...............................................................133
10 Frost protection (FROST) ...................................................................136
10.1 Purpose and types of monitoring ..........................................................136
10.2 Activating the function block..................................................................136
10.3 Operating principles and settings..........................................................137
10.4 Acknowledgement / reset (AKN) ...........................................................145
10.5 Display...................................................................................................145
10.6 Connection diagrams ............................................................................146
10.7 Troubleshooting.....................................................................................147
11 Help in the case of faults....................................................................148
11.1 Fault list .................................................................................................148
11.2 Rectification of faults .............................................................................149
12 Electrical connections ........................................................................150
12.1 Connection rules ...................................................................................150
12.2 Connection terminals of RLU2… universal controllers .........................151
13 Appendix..............................................................................................152
13.1 Abbreviations used................................................................................152
13.2 Operating texts Synco 200....................................................................153
13.3 Configuration.........................................................................................157
14 Application examples .........................................................................168
14.1 Multiple use of sensors .........................................................................168
14.2 Signal inversion.....................................................................................168
14.3 Signal adaptation ..................................................................................169
14.4 Step switch ............................................................................................169
14.5 Modulating / 2-position converter..........................................................170
14.6 Signal doubler .......................................................................................170
Index ..............................................................................................................172