Omron NSH5 - 10-2010 Operation Manual page 104

Recommended Enabling Circuits
(1) Door interlock switch
D4NS
(3) Safety Relay Unit 3
G9SA-301
Key switch NC contact
(2) Emergency stop switch
(3) Safety Relay Unit 3
G9SA-301
Circuit Diagram
Door Interlock SW
(D4NS)
A1 T11
A2 T21
Emergency
Stop SW
A1 T11
A2 T21
80
Safety line 1 Safety line 2
(6) Reset switch
Manual reset
KM1 KM2
Reset
SW
Key Selector SW
(A22K(2NC/2NO))
T12 T31 T32 13 23 33 41
G9SA-301
T22 T23 A B 14 24 34 42
Reset
SW
T12 T31 T32 13 23 33 41
G9SA-301
T22 T23 A B 14 24 34 42
KM1 KM2
(6) Reset switch
(4) Enable mode switch
Manual reset
(3) Safety Relay Unit 3
G9SA-301
Ry
(7) Disable monitor lamp
(3) Safety Relay Unit 3
G9SA-301
Auto reset
Advantages
• Reset mode can be selected individually.
• Operation of each switch can be monitored.
Disadvantages
• There are many Safety Relay Units used.
Reset
SW
A1 T11 T12 T31 T32 13 23 33 41
G9SA-301
A2 T21 T22 T23 A B 14 24 34 42
R1
Enable SW (A4E) Disable (teaching mode)
monitor signal
A1 T11 T12 T31 T32 13 23 33 41
G9SA-301
A2 T21 T22 T23 A B 14 24 34 42
Appendix D
A22K
(5) Hand-held PT
Enabling switch (A4E) included
on NSH5-SQR10B-V2
A4E
KM1
KM2
M
KM1
KM2
M