SEW-Eurodrive MOVIFIT MC, Manual, Page: 8 / 32

2
MOVIFIT
®
MC safety concept
MOVIFIT® MC block diagram
Manual – Functional Safety
8
2.2 MOVIFIT
®
MC block diagram
MOVIFIT® MC block diagram
The following block diagram shows the MOVIFIT
®
MC safety concept:
SNT
ABOX EBOX
L1
L2
L3
M
MOVIMOT
®
RS+
RS-
X
4
5
X7 X7
1
X8 X8
1
X9 X9
1
MOVIMOT
®
1
MOVIMOT
®
2
MOVIMOT
®
3
+24V_P
0V24_P
STO_P
STO_M
X
2
9
24V
[2]
[10]
[9] [8] [7]
[6]
[5]
[4] [3]
[1]
27021601858448651
[1] Field
[2] External safety controller (with MOVIFIT
®
without PROFIsafe option)
[3] Short-circuit protection
[4] 24V_P voltage monitor
[5] Voltage status 24V_P
[6] MOVIFIT
®
processor
[7] Serial interface
[8] Coupler
[9] Transceiver
[10] SEW‑EURODRIVE hybrid cable
2.3 Restrictions
WARNING
Electric shock due to dangerous voltages in the ABOX. If the safety-related 24 V
voltage is disconnected, MOVIFIT
®
device remains connected to the line voltage.
Severe or fatal injuries.
• De-energize the new MOVIFIT
®
device. Observe the minimum switch-off time
after disconnection from the supply system:
– 1 minute
• The safety concept is only suitable for performing mechanical work on driven sys-
tem/machine components.
• A system/machine-specific risk assessment must at all costs be carried out by the
system/machine manufacturer and be observed when using the MOVIFIT
®
MC
device.
29157056/EN – 09/2019