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3. CONNECTING THE DEVICE
This section describes the terminals and auxiliary connections. Figure 2 shows a typical wiring diagram.
N.
Ter.
+V
1
2
3
T1
4
T2
5
T3
6
7
LE
8
9
LI
10
Note:
The Open Collector current may not exceed 100 mA. If necessary, commutate greater loads
using switches.
CAUTION! Incorrect connections may result in FTC fault or improper operation. Inspect wiring and ensure
connections are correct before applying power. DO NOT route any wiring over circuit boards;
maintain at least 1" (24.5 mm) separation. A minimum 1/4" (6.4 mm) separation must be
maintained at all points between Power Limited wiring and all other Non-Power Limited wiring.
8
Description
Power supplied by the control unit, at a level between 10 and 27.6V dc, make sure that this
is protected and operating at a limited current; Limited Power Source (LPS) in conformity
with EN 60950-1:2006 standard.
CAUTION! To connect the supply use wires with a maximum 2 m length and
0.75mm² cross-section. For shorter wires use suitable cross-sections.
Negative: Power supply and shared terminal for the Open Collector outputs.
Programmable terminals: These terminals can be programmed as follow.
Open collector outputs (default setting): These outputs m ay be activated either
by programmed events (automatic activation), or by a command sent via SM S, or
through caller recognition (remote activation); please refer to the "Output
activation" section for further information. The maximum current available at each
OC output is 100 m A.
Input lines: When these inputs receive alarm signals, they can activate the SM S
and telephone dialer functions (please refer to the "SMS dialer" and "Voice dialer"
sections).
Earth Ground: This terminal must be connected to the Mains Earth, in order to comply
with the Telecommunications Network Safety Standards (Overvoltage Protection
Requirements).
External telephone line: These terminals can be connected to the land line.
Internal telephone line: These terminals must be connected to the control panel or an
alternative communication terminal.
Fig. 2 - VGSM-120 wiring diagram
D-305708 VGSM-120 Installation Instructions
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