Filter
Top Products
F3200 Installation & Programming Manual Document No: LT0122
Installation & Wiring
Page 8-14 5 July 2001 Issue 2.7
+VBF1 o─────┐
┌─ │
| SUP o──┐ │
| │ │
ANCIL| NC o──┘ │
1A | │
| NO o─────┘ LOAD
| (SEE NOTE)
| COM o───────────────────────────────────────────┬───────────┐
└─ │ │
┌┴┐ ╒╧╕
└┬┘ │ │
│ └┬┘
0V o───────────────────────────────────────────┴───────────┘
SUPPRESSION
DIODE
Note: For a load of less than 400 Ohms a diode of suitable current rating must be added in
series with the load at the load as shown below.
──────┬───┐ ──────┐
┌─┴─┐╒╧╕ ┌┴┐
LOAD│ ││ │DIODE │ │DIODE
└─┬─┘└┬┘ ╘╤╛
├───┘ OR ├───┐
┌┴┐ ┌─┴─┐╒╧╕
│ │DIODE LOAD│ ││ │DIODE
╘╤╛ └─┬─┘└┬┘
0V ──────┘ 0V ─────┴───┘
FIG 8.4.2
EXAMPLE OF PLANT RELAY WIRING WITH SUPERVISION
FIGURE 8.4.3
EXAMPLE OF SUPERVISING MULTIPLE BRANCHES OF MULTIPLE LOADS
VBF
NO
C
NC
SUP
0V
EOLR
Evac
+V
Ext Def-
0V
Ancil
Rela
y
Evac-
EOLR
Bell Monitor
Rev 3
Up to 3 branches of
Load.
Evac+