3
ELECTRICAL CONNECTIONS
40
OPTIFLEX X200
www.krohne.com
09/2018 - 4006564001 - AD IECEX OPTIFLEX x200 R01 en
•
Use a 3 mm Allen wrench to attach the cover stop. Make sure that the cover stop screw is
tight.
1
Attach the terminal compartment cover.
2
Turn the terminal compartment cover carefully to prevent damage to the thread and the gas-
ket. Make sure that the terminal compartment cover is tight.
3
Use a 2.5 mm Allen wrench to attach the cover stop. Make sure that the cover stop screw is
tight.
3.3 Terminal tightening capacity
The terminal tightening capacity for the current output terminal and the signal cable is:
Close the terminal compartment cover (Ex d- / Ex t- / Ex nA-approved devices or
Ex i-approved devices with the optional second output or switch output (relay))
Figure 3-4: How to close the terminal compartment cover for Ex d- / Ex t- / Ex nA-approved devices or Ex i-approved
devices with the optional second output or switch output (relay)
DANGER!
Make sure that the terminal compartment is correctly sealed. An explosion can cause death or
injury to personnel and/or damage to equipment.
Output option
Type of wire
Terminal tightening capacity
[mm
²
]
[AWG]
4...20 mA + HART or
Modbus RTU
Rigid
2.5
13
Flexible
2.5
13
PROFIBUS PA or
FOUNDATION
™
fieldbus
Rigid
3.3
12
Flexible
3.3
12
