IAI America ERC3 - Manual (Page 411)

Chapter 10
Appendix
10.3 Conformity to Safety Category
401
Ɣ Detailed category 1 circuit example
SG
SGA
SGB
RTS
CTS
EMG1-
EMG1+
EMG2-
EMG2+
EMB1-
EMB1+
EMB2-
EMB2+
DC24V+
DC24V-
EMBOUT EMBIN EMB2+ EMB2- EMB1+ EMB1- EMGOUT EMGIN EMG2+ EMG2- EMG1+ EMG1-
1
2
3
4
5
6
7
8
9
S1
S2
EMG−
24V
Enable SW
SW Reset
SW
Emergency
Stop
24V 24V
Solenoid Contactor
MPI
MPO
EMGS
ENB
VP24
PIO Converter
TP Connection Detecting
TP Detection
T24V…Output
Bypass relay…OPEN
TP Not Detected
T24V…Not Output
Bypass relay…CLOSE
TP
Emergency Stop SW
Enable SW
Shell
1
2
3
13
14
9
12
6
5
23
24
25
22
7
26
12 11 10
9 8 7 6 5 4 3 2 1
External Emergency
Stop Circuit
Category 1
Motor Power
Cutoff Relay
RCB-LB-TG
SGA
SGB
EMGA
T24V
EMGB
1
2
3
4
5
6
7
8
9
5V
+
24V
Motor Power Supply
R
Y