MECHANICAL INSTALLATION
Mounting
The LCT-485 is designed to be attached to a 35 mm DIN rail via the included clip.
ELECTRICAL INSTALLATION
The LCT-485 is not certified for use in hazardous areas. It must only be
connected on the safe side of the Intrinsically Safe isolator or barrier.
Connections with Intrinsically Safe Isolator
Hazardous
Safe area
area
Sensor
Power
Supply
Connections with Zener Barrier
Hazardous
Safe area
area
+
-
Sensor
*
Max. cable length 30 m
** Max. cable length 30 m (use of RS-485 Modbus repeater allows longer cable on the
Master side)
Screw Terminals
1
GND
2
+24 V DC
Power Supply
IS Isolator
+
-
+24 V DC
-
4-20 mA*
Zener
Barrier
+24 V DC
-
Power
Supply
3
LOOP-
4
LOOP+
4-20 mA Loop
4-20 mA*
+
-
3
2
1
LCT-485
Indicator
(optional)
4
123°C
2
3
1
LCT-485
11
RS+
12
RS-
RS-485 Modbus RTU Slave
Indicator
(optional)
123°C
4
RS-485
270 Ω
Modbus
RTU**
11
12
13 & 14
RS-485
270 Ω
Modbus
RTU**
11
12
13 & 14
13
14
COM
3