Analog Output Terminals And Lead-Through; Table 5 Output Terminals For Relay 1 And Relay 2 - Vaisala Indigo 500 Series User Manual

Indigo 520 User Guide
+
CH1
1
+
CH2
+
CH3
+
CH4
Table 5 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
3.3.4 Analog output terminals and lead-through
Before connecting wires or cables, make sure that the transmitter is powered off.
+
CH1
1
+
CH2
+
CH3
+
CH4
M20×1.5
26
VS
RS-485
PROBE
2
24 VOUT
ANALOG
INPUT
M20×1.5
VS
RS-485
PROBE
2
24 VOUT
ANALOG
INPUT
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
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.
M212287EN-A
2
(14 AWG)
2
(16 AWG), solid