Outer thread
M20 x 1.5
M16 x 1.5
Cable diameter
10 ... 14 mm
6 ... 10 mm
Key width
24 mm
20 mm
Continuous service temperature
-20 ... 95 °C
Material
Nickel-plated brass
6.3
Connecting interfaces
6.3.1
Connect I/O interfaces
CAUTION
Never lay power supply cables directly next to signal cables.
DANGER
Risk of explosion through non-Ex conform installation of the lines to the device
Incorrect installation of the supply lines (power supply, signal and communication lines)
through Ex zones can lead to an electrostatic charge. This creates an increased risk of
explosion.
b
Install all lines in accordance with EN61010-1 and EN60079-14.
b
Protect lines against electrostatic charges.
1
Route the data lines through the M screw fittings.
2
Connect the data line.
NOTE
The analog input assignment shown in the following Chapter is the default setting and
may not be modified.
6.3.1.1
GM700 Ex 3G terminal connection diagram
1
5
3
2
4
Figure 15: Connection diagram of connection unit for variant 3G / Ex zone 2
1
Power supply
2
Connections of temperature sensor (3-wire circuit): Pins 1,2 and 3
3
Connections of pressure sensor: Pins 4 and 5
4
Pressure monitor for purge air monitoring: Pins 6 and 9
6
ELECTRICAL INSTALLATION
38
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
8019532/100Q/V1-1/2018-08 | SICK
Subject to change without notice