Relief Valve (Vps); Measurement Time V - Honeywell Krom Schroder BCU 580 Technical Information

Parameters

10 . 7 .2 Relief valve (VPS)

Parameter 52
One of the valves connected to terminal 14, 15 or 57
can be selected to discharge the test volume during a
tightness test.
p /2
u
45 13 14 15 14 15 57 57
38
Parameter 52 = 2: V2. The test volume is discharged via
37
18
the valve connected to terminal 14.
17
µC
52
Parameter 52 = 3: V3. The test volume is discharged via
55
54
the valve connected to terminal 15. 53
56
Parameter 52 = 4: V4. The test volume is discharged via
the valve connected to terminal 57.
BCU 580 · Edition 11.15l
V3 V3
PZ
V2 V2
VAS
V
p1

10 . 7 .3 Measurement time V

Parameter 56
The required measurement time must be determined
according to the requirements of the appropriate appli-
cation standards, e.g. EN 1643.
V4 V4
ϑ
1
2
The required measurement time for the tightness test
3
of V can be set using parameter 56. The possible set-
p1
BCU 56x..C1
tings are 3 s, 5 to 25 s (in 5 s steps) or 30 to 3600 s (in
10 s steps).
See also page 33 (Measurement time t
p1
V1 V2
PZ PZ
V
p1
14 13
45
p p /2 /2
u u
P
µC
>750°
TC
).
M
96