5.7.1 Connect the input signal wiring – self-powered
Figure 5-15: Signal connection
A. Analog Input AI 4 to 20 mA CHARM
B. CHARM Baseplate
C. CHARM Terminal Block
D. Field device with analog output
E. Cable shield connection
Prerequisites
• Wire cutter
• Tool for removing the cable sheath
• Wire stripper
• Suitable screw driver for the CHARM Terminal Block screws
• Observe the hints in Wiring guidelines.
Procedure
1. At opened door, lead the signal cable through a cable gland close to the slot where
the CHARM to be connected is installed.
2. Strip the cable sheath at a length of approximately 200 mm.
3. Strip each wire at a length of approximately 10 mm.
4. Connect the wires to the CHARM Terminal Block.
• Connect terminal + of the analog output of the field device to terminal 2 of the
CHARM Terminal Block.
Installing CHARMs hardware Installation Guide
March 2024 MHM-97923-PBF
60 MHM-97923-PBF, Rev. 2.10
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