Cardin Elettronica METALDEC Serie Mode D'emploi page 16

Connection and adjustment
1-2 Power supply (see the indications on
the terminal board)
9-4 Impulsive output, relay contact
common/N.O. The metallic mass will
be monitored for a 1 second time
period after which the relay will reset
and wait for the next positive reading.
5-6-10 Continuous output, relay contact
N.O./common/N.C. The metallic
mass will be monitored for the entire
time in which it effects the coil.
Inductive coil bipolar cable in input
7-8
(loop).
Note: When constructing the inductive coil a
single cable with more than one pole 3x1, 4x1,
5x1 must be used, unused poles should be
isolated and disconnected.
The serial connection point could be isolated
using paraffin. The cable inlaid into the ground
must not move when subject to passing
vehicles.
R1 impulsive relay
N.O.
C.
spira
FREQ
medium
L1 L2 L3 L4
R1
high
Legend
low
S1 - Sensitivity slection
L1 - LED excessive coil length
L2 - LED insufficient coil length
L3 - LED normal operation
L4 - LED metallic mass is being detected
R1 - Reset button
FREQ - Frequency selector
16
power supply
R2 ON/OFF relay
S1
on
1 2 3 4 1
C.
N.C.
N.O.
3