
TWINFLEX
®
pro² Control Panel Engineering and Commissioning Manual
11
Control Panel Connections
Overview- 2 zone panel
The above diagram shows the terminals for the 2
zone version of the TWINFLEX®pro² panel.
Note: References to voltages are nominal values,
batteries may be 3.2Ah/3.4Ah
USB-B
The panel is fitted with an onboard USB-B connector. This is to provide
communication via a suitable USB lead to a PC for programming of
panel options using the TWINFLEX®pro² OSP configuration software.
TERMINAL
DESCRIPTION
USB
USB-B
USB-B CONNECTION FOR PC LINK
MONITORED I/P
MI1 +
Monitored Input positive connection
MI1 -
Monitored Input 0V connection
SCRN
Field cable screen connection
PROG I/P 1+2
+
Programmable Input positive connection
-
Programmable Input 0V connection
ZONES 1 - 2
Z +
Device zone positive connection
Z -
Device zone 0V connection
SCRN
Field cable screen connection
FAULT RELAY
N/C
Normally closed fault contact
N/O
Normally open fault contact
COM
Common fault contact
FIRE RELAY
N/C
Normally closed fire contact
N/O
Normally open fire contact
COM
Common fire contact
MONITORED O/P 1+2
MO +
Monitored Output positive connection
MO -
Monitored Output 0V connection
SCRN
Field cable screen connection
AUX SUPPLY
AUX +
Aux power positive connection
AUX -
Aux Power 0V connection
SCRN
Field cable screen connection
BATTERY
BATT +
24V DC 3.3Ah Battery positive connection
BATT -
24V DC 3.3Ah Battery 0V connection
PSU
+V IN
24V DC Input from Switch Mode PSU
0V IN
0V DC Input from Switch Mode PSU
Earth
Earth input from Switch Mode PSU
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