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16 Safe Disable Input
Safety switch
Open
To Use 24 V External Power Supply
Figure 16.4
shows an example of how to connect Safe Disable contacts. These conditions limit the number of units to
connect:
• External power supply capacity
• Number of MFDIs used
• Supply current to the external sensors
76
S2
Safe Disable input
S1
Safety
controller
Reset/
feedback
input
Connect MFDO terminals set to
Safe Torque OFF [H2 - xx = 21] in series.
Safety Electronic
Device Monitor output
Figure 16.3 Connection Example to Use the Internal Power Supply
YASKAWA TOEPC71061782C GA800 Drive Installation & Primary Operation
Drive 1
HC
SN
H1
H2
E(G)
Drive 2
HC
SN
H1
H2
E(G)
Drive 3
HC
SN
H1
H2
E(G)
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