Videotec ULISSE COMPACT THERMAL - Manual (Page 19)

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tions manual
17
7.1.9 Connecting the alarm board
The Alarm Board, if present, is located on the base of
the unit, as shown in the figure here below.
Fig. 19
It features six alarm contacts and two output relays
with clean contact. There are two recognized alarms
type:
• Clean contact alarm
(5 alarm inputs available);
• Energised alarm (1 alarm input available, only for
controlling the level of the float in the UPTWAS)
tank.
Fig. 20
7.1.8 Telemetry line connections
h The installation is type TNV-1, do not
connect it to SELV circuits.
h In order to reduce the risk of fire, only use
cable sizes greater than or equal to 26AWG.
The product is supplied with 2 RS485 (Tab. 04,
page 17) serial communication lines which can be
configured in various ways according to the positions
of dip-switches 5 and 6 on the Serial (DIP 1) of the
CPU board ("7.1.14 Serial communication lines (DIP1)",
page 21).
VIDEO OUT
CVBS GND
RS485-1
SGND A B
RS485-2
SGND A B
J7
J5
Fig. 18
SERIAL
LINE
CLAMP DESCRIPTION
RS485-1 A (+) RS485 line (1)
B (-) RS485 line (1)
SGND RS485-1 line reference
RS485-2 A (+) RS485 line (2)
B (-) RS485 line (2)
SGND RS485-2 line reference
Tab. 04