84 135369 06.03.08 INSTRUCTION MANUAL - EUROPEAN VERSION
Appendix 1 SC22-3 Safety Controller
MPCE
1
MPCE
2
MPCE
3
+24V dc
0 VDC
SC22
SC-IM9A
(To SO 1A)
(To SO 1B)
1A 1B 2A 2B 3A 3B A2
13 21 33 43 A1
14 22 34 44 A2
13 21 33 43 A1
14 22 34 44 A2
SO1 SO2 SO3
*
*
*
Input Terminals
Machine Control
* Installation of transient (arc) suppressors across the coils of
MPCE1, MPCE2 & MPCE3 is recommended (see warning on
page 12)
The SC-IM9A Interface Module is shown as Single channel
EDM connection. The SC-IM9B and SC-IM9C modules are
connected in the same manner using individual Single
channel EDM circuits (terminals 21/22 on each pair of con-
tactors).
For interfacing safety stop circuits, see also block 1.18 on
page 6 on EDM and block 4.8.2 on page 33.
REFER TO USE OF TRANSIENT SUPPRESSORS warning on
page 12
.
R
EFER TO OSSD INTERFACING warning on page 12.
R
EFER TO SHOCK HAZARD warning on page 3.
R
EFER TO PROPER WIRING warning on page 12.
Figure 29 Single channel EDM Connection to SC-IM9A Interface Module
0 VDC
S3
S4
Y3
Y1
13
23
33
Y4
Y2
14
24
34
S1
S2
K2 K1
MPCE
2
MPCE
1
IM-T-9A
SC22
*
*
1A 1B 2A 2B 3A 3B A2
SO1 SO2 SO3
+24 VDC
* Installation of transient (arc)
suppressors across the coils of
MPCE1, MPCE2 & MPCE3 is
recommended (see warning on
page 12)
Input Terminals
Feedback (optional)
The IM-T-9A interface module is shown as Dual channel
EDM connection. The IM-T-11A module is connected in a
similar manner.
Depending on the application, each Safety Output requires
a separate and individually wired IM-T-..A module.
For interfacing safety stop circuits, see also block 1.18 on
page 6 on EDM and block 4.8.2 on page 33.
REFER TO USE OF TRANSIENT SUPPRESSORS warning on
page 12
.
R
EFER TO OSSD INTERFACING warning on page 12.
R
EFER TO SHOCK HAZARD warning on page 3.
R
EFER TO PROPER WIRING warning on page 12.
Figure 30 Dual channel EDM Connection to IM-T-9A Interface Module
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