Instruc
tions manual - English - EN
25
MNVCUPTMAXB_1511_EN
8.5.2 Telemetry lines connections
CAUTION! TNV-1 installation type. The
installation is type TNV-1, do not connect it
to SELV circuits.
CAUTION! In order to reduce the risk of fire,
only use UL Listed or CSA certified cables
with sections greater than or equal to
0.14mm² (26AWG).
The product is supplied with two RS-485 serial
communication lines and one RS-232 serial line (only
for firmware update).
The telemetry lines can be configured in various ways
according to the positions of dip-switches 10 and 9
on the Serial and Address selector (8.14.4.2 Setting of
the serial communication lines, page 35).
Serial lines RS-485
A1
B1
A2
B2
Fig.
36
RS-485. Standard version.
A1
B1
A2
B2
Fig.
37
RS-485. Version with LED illuminators.
TELEMETRY LINES CONNECTIONS
Terminals
Description
A1-B1
RS-485 line (1)
A2-B2
RS-485 line (2)
Tab.
9
Serial line RS-232
RS-232
Fig.
38
RS-232.