Comnet FVT40D2I1C4E Instrukcja instalacji i obsługi - Strona 8
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INSTALLATION AND OPERATION MANUAL
OUT
DATA1
FIGURE 12 – CONTACT SWITCH POSITIONS
S3
The mode for contact closure operation is configured using a set of two switches labeled CONTACT (S1) located on the front panel of the unit. There are four
C
IN
supervised contacts in the forward (video) direction.
S
OUT
CONTACT
DATA2
S1
S4
LE-D
ON
LE-F
ALARM
NOTE: These switch settings refer to the trans-
S2
mitter (FVT40D2I1C4E). On the receiver
(FVR40D2I1C4E), S1 SWITCH 1 inverts the
IN
contact outputs. S1 SWITCH 2 is not used.
OUT
DATA1
S3
IN
OUT
DATA2
S4
FIGURE 13 – CONTACT CLOSURE SUPERVISED INPUT CIRCUIT
ON
1K Series*
1K
Parallel*
TECH SUPPORT: 1.888.678.9427
)
CONTACT (S1
1
2
Resulting Mode
ON
ON
Full Supervision – When a 1K resistor is connected in series with
the contact closure input, and a 1K resistor is connected in parallel
across the contact closure input. Both open circuits and short
circuits can be detected as well as normal opens and closes.
OFF
Series Supervision – When a 1K resister is connected in series with
ON
the contact closure input. In this mode, shorts across the contact
inputs can be detected but open circuits cannot be detected.
OFF
ON
Parallel Supervision – When a 1K resistor is connected in parallel
across the contact closure input. In this mode, open circuits can be
detected but short circuits cannot be detected.
OFF
OFF
No Supervision – The contacts will behave as normal contacts with
no Supervision.
INTERNAL
5V
1K
1K
* Optional external resistors
(provided) are required for
supervision. Place close to
the switch for optimal results.
FVT/FVR40D2I1C4E
INS_FVT/FVR40D2I1C4E_REVA 06/22/12 PAGE 8