Vaisala Indigo500 Serie Guía Rápida página 16

1. Strip 55 mm (2.17 in) of the cable to expose the wires.
2. Cut off 10 mm (0.39 in) of the line and neutral wires. Leave the grounding wire 55 mm
(2.17 in) long.
CAUTION!
neutral wires. Under mechanical stress, the grounding wire must be the last
to disconnect from the protective ground terminal.
3. Strip the ends of the individual wires to expose the conductors for a length of 8 mm
(0.32 in).
Relay output terminals and lead-through
Before connecting wires or cables, make sure that the transmitter is powered off.
+
CH1
1
+
CH2
+
CH3
+
CH4
Table 7 Output terminals for relay 1 and relay 2
Terminal Function
COM Relay 1 or 2 common
NO Relay 1 or 2 normally open
NC Relay 1 or 2 normally closed
Analog output terminals and lead-through
Before connecting wires or cables, make sure that the transmitter is powered off.
14
Make sure that the grounding wire is longer than the line and
VS
RS-485
PROBE 2
24 VOUT
ANALOG
INPUT
M20×1.5
Relays are not available in transmitters that
are powered with Power over Ethernet
(PoE).
Wire the relay connections as normally
open (NO) or normally closed (NC). Use
the touchscreen or web interface to
configure the relay activation parameters.
For the M20×1.5 cable gland ordered
together with the transmitter from Vaisala,
the cable diameter is 5.0 ... 8.0 mm
(0.20 ... 0.31 in). Tightening torque for the
cable gland is 8 Nm.
Notes
Terminals in PELV power supply version:
• Type: Screw terminals
• Max. wire size: 2.5 mm
Terminals in AC (mains) power supply
version:
• Type: Push-in spring connection
• Max. wire size: 1.5 mm
wires or ferrules recommended
2
(14 AWG)
2
(16 AWG), solid
M212290EN-C