Vaisala Indigo 520 - Analog Output Terminals and Lead-Through; Table 5 Output Terminals for Relay 1 and Relay 2

ANALOG OUTPUTS
RELAY 1RELAY 2
+
+
+
+
+
+
+
+
+
CH1
CH2
CH3
CH4
RS-485
PROBE
24 VOUT
ANALOG
INPUT
NO COM NC NO COM NC
1
2
M20×1.5
VS
+
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.
Table 5 Output terminals for relay 1 and relay 2
Terminal Function Notes
COM Relay 1 or 2 common Terminals in PELV power supply version:
• Type: Screw terminals
• Max. wire size: 2.5 mm
2
(14 AWG)
Terminals in AC (mains) power supply
version:
• Type: Push-in spring connection
• Max. wire size: 1.5 mm
2
(16 AWG), solid
wires or ferrules recommended
NO Relay 1 or 2 normally open
NC Relay 1 or 2 normally closed
3.3.4 Analog output terminals and lead-through
Before connecting wires or cables, make sure that the transmitter is powered o.
ANALOG OUTPUTS
RELAY 1RELAY 2
+
+
+
+
+
+
+
+
+
CH1
CH2
CH3
CH4
RS-485
PROBE
24 VOUT
ANALOG
INPUT
NO COM NC NO COM NC
1
2
M20×1.5
VS
+
Analog outputs are not available in
transmitters that are powered with Power
over Ethernet (PoE).
Use the touchscreen or web interface to
change the output mode (for example,
0 … 5 V or 4 … 20 mA) and scaling of the
analog outputs.
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.
Indigo 520 User Guide M212287EN-A
26