Wiring Of An External Emergency Stop; External Emergency Stop Setting - Mitsubishi Electric MELDAS MDS-R Series Technical Specification And Instruction Manual

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7-9 Wiring of an external emergency stop

7-9-1 External emergency stop setting

Besides the main emergency stop input from the NC bus line (CN1A, CN1B), double-protection when
an emergency stop occurs is possible by directly inputting an independent external emergency stop to
the servo drive unit. Even if the main emergency stop is not input for some reason, the contactors will be
shut off within 30 seconds after the external emergency stop is input.
Emergency stop
Mitsubishi NC
No.
Abbrev.
Parameter name
SV036 PTYP* Regenerative
resistor type
CAUTION
POINT
7. Wiring and Connection
Emergency stop
MDS-R-V1/V2
CN1A
CN1B
F
E
D
amp
bit
Set the external emergency stop function.
4
(Setting is prohibited for values with no description.)
5
Setting
emgx
6
7
Always input the external emergency stop to the servo drive unit controlling
the contactors.
1. When the MDS-R-V1/V2 controls the contactor, the external emergency
stop input is validated for the axis receiving the main circuit power supply
from that contactor. When the converter controls the contactor, use the
external emergency stop input of the converter.
2. The external emergency stop input is merely an auxiliary input, so always
input the main emergency stop (NC bus line). An external emergency stop
error (alarm 55) will occur if only an external emergency stop is input.
Contactor control axis
MDS-R-V1/V2
CN1A
CN1B
CN9
Explanation
C
B
A
9
8
7
rtyp
Descriptions
Descriptions
0
External emergency stop invalid
4
External emergency stop valid
7 - 20
Contactor shutoff command
10 VDD
5
COM
External emergency
15
MC
stop input
20 EMGX
3
SG
6
5
4
3
2
1
emgx
0

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