Function Block "End-User 2; Operating Lines; Time Of Day And Date; Indication Of Faults - Siemens RVL470 Basic Documentation

6. Function block "End-user 2"

6.1. Operating lines

6.2. Time of day and date

6.3. Indication of faults

Siemens Building Technologies
Landis & Staefa Division
This function block contains settings that the end-user himself may make, as well as
fault indication.
Line Function, parameter
38 Time of day
39 Weekday
40 Date
Year
41
50 Faults
The RVL470 has a yearly clock to enter the time of day, weekday and date.
The changeover from summer- to wintertime, and vice versa, is automatic. Should the
respective regulations change, the changeover dates can be adjusted (refer to
section "13. Function block "Service functions and general settings"").
The following faults are indicated:
Number Fault
10 Interruption or short-circuit in the outside sensor's measuring circuit (B9)
30 Interruption or short-circuit in the flow or boiler temperature sensor's
measuring circuit (B1)
40 Interruption or short-circuit in the measuring circuit of the return tem-
perature sensor in the primary circuit (B7)
42 Interruption or short-circuit in the measuring circuit of the return tem-
perature sensor in the secondary circuit (B71)
60 Interruption or short-circuit in the room temperature sensor's measuring
circuit (B5)
61 Interruption or short-circuit in the measuring circuit of the room unit's sen-
sor (A6)
62 Wrong room unit connected
81 Short-circuit on the LPB
82 Same bus address exists on the data bus (LPB) several times
100 Two time masters on the LPB
120 Flow alarm (for explanation, refer to function block "Service functions",
operating line 171)
140 Inadmissible bus address or inadmissible plant type (if RVL470 is used
with LPB)
142 Wrong partner unit (with RVL469 only)
If a fault occurs, the LCD displays
In interconnected plants, the address (device and segment number) of the controller
causing the fault is indicated on all the other controllers, but no address is displayed on
the controller causing the fault.
Basic Documentation RVL470
Function block "End-user 2"
Unit
hh:mm
dd:MM
yyyy
.
ERROR
Factory Range
setting
00:00...23:59
1...7
1.01. ... 31.12.
1995...2094
0...255
CE1P2522E / 30.03.2000
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