KROHNE OPTISYS SLM 2100 EN - Manual (Page 32)

4
ELECTRICAL CONNECTIONS
32
OPTISYS SLM 2100
www.krohne.com 03/2014 - 4002737302 - MA OPTISYS SLM 2100 R02 en
The terminals for the connection of the three control inputs are located on the main board.
Please refer to the following diagram for proper connection of the cables.
Connecting the control inputs
• Open the cable drum and electronic compartment door.
• Push the prepared cables through the cable feedthrough and route them to the electronic
compartment (for more information refer to Overview cable connections on page 24).
• Connect the positive and negative lead according to the connection diagrams above.
• Connect the shield to one side only e.g on PCS (process control system) side.
• Tighten the screw connection of the cable feedthrough securely.
• Seal all cable feedthroughs that are not needed with a plug.
• Close both compartment doors.
Figure 4-6: Control input
1 Signal
Figure 4-7: Connection control input
1 Control input (CI1)
2 Control input (CI2)
3 Control input (CI3)
INFORMATION!
In order to assure proper sealing of the cable feedthrough only cables with a minimum and
maximum diameter of 6-12 mm / 0.24-0.47 inch.
.book Page 32 Wednesday, April 30, 2014 1:39 PM