3
ELECTRICAL CONNECTIONS
46
OPTIFLEX X200
www.krohne.com
09/2018 - 4006564001 - AD IECEX OPTIFLEX x200 R01 en
3.6.3 Supply voltage
Level transmitter with the 4...20 mA / switch output options
Level transmitter with the Modbus RTU output option
Level transmitter with the PROFIBUS PA or FOUNDATION fieldbus output option
3.7 Ex ia/db and Ex ia/tb equipment
3.7.1 General notes
Ex ia/db- and Ex ia/tb-approved equipment have two separate compartments. The electronics in
the electronics block compartment are Ex ia-approved and the terminals compartment is Ex d /
Ex t-approved
Terminals
Minimum voltage at
output terminals
Maximum voltage at
output terminals
[V DC]
I/O 1 and I/O 2
11.5
30
Switch (AC 1)
5 (V AC)
24 (V AC)
Switch (DC 1)
2
24
Terminals
Minimum voltage at
output terminals
Maximum voltage at
output terminals
[V DC]
I/O 1
9
34
I/O 2
-7
12
Terminals
Minimum voltage at
output terminals
Maximum voltage at
output terminals
[V DC]
I/O 1 (Entity)
9
24
I/O 1 (FISCO)
9
24
Figure 3-13: Compact version: Compartments in Ex ia/db- and Ex ia/tb-approved equipment
