Electrical connections, LEDs
ClipX
a4643-1.0 HBM: public 25
Electrical isolation of the GND connections
The following connections are electrically isolated from each other:
• DI, GND (Ground) Digital-In: Reference potential for DI1 and DI2.
• X, GND ClipX bus: Reference potential for ClipX bus (CxA, CxB) and Sync;
on the BM40PB PROFIBUS-GND is also connected by this.
• AI, GND Analog-In: Reference potential for U-In and I-In; the adjacent mea-
surement inputs for voltage and current.
• S GND for the inner shield on double-shielded cable; with 1-wire TEDS,
TEDS (–) is also connected here.
• AO, GND Analog-Out: Reference potential for the analog output.
5 X5: Fieldbus, here PROFIBUS (only BM40PB)
6 HBM calibration label and free labeling space
7 Reset button
8
Fieldbus LED 1, only BM40IE; EtherCAT: ERR, PROFINET: BF, Ether-
Net/IP™: NS
9
Fieldbus LED 2, only BM40IE and BM40PB; EtherCAT: RUN, PROFINET:
SF, EtherNet/IP™: MS; PROFIBUS: BUS
10 System LED
11
X6, X7: 2 x RJ45; P1/IN (X7) and P2/OUT (X6) for EtherNet/IP™ or PROF-
INET or EtherCAT (only BM40IE)
See also Electrical connections, LEDs for plug terminals with screw con-
nections.
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