Metal Chassis Controllers; Connecting Via Two Normally Open Relay Safety Outputs; Figure 10-4 Connecting With Two Normally Open Safety Outputs - Omron MC4700 Installation And Operating Manual

10 .2 M C
E T A L
C
10.2.1
ONNECTING
See Figure 10-4 for the preferred connection diagram for a Two Normally Open contact arrangement
control circuit.
Preferred Connection Diagram for Two Normally Open Contacts
Terminals on Main Board
TB1
Terminals on Relay Board
TB2
OSSD 1
OSSD 2
TB3
Auxiliary
Terminals on Main Board
TB7
Program
START
MPCE

Figure 10-4 Connecting with Two Normally Open Safety Outputs

OMRON SCIENTIFIC TECHNOLOGIES INC.
Fremont CA USA
Tel: 1/888/510-4357 in USA and Canada
C
H A S S I S O N T R O L L E R S
V T N O R
IA WO ORMALLY PEN ELAY
Line /
24 VDC
Verify correct voltage requirement
before applying power.
Neutral /
0 VDC
System control voltage
Sel 1
1
MCS
Sel 2
2
Must be accessible only by key.
1
2
1
2
MPCE 1
MPCE 1
2
41
S O
AFETY UTPUTS
arc suppressor
1
MPCE 1
arc suppressor
1
Machine control contacts
MPCE 2
Notes:
Arc suppression devices should only be
1
installed across the coils of the machine control
relays. Never install arc suppressors across the
contacts of the safety light curtain. Failure of the
arc suppressor in a short condition, across the
contacts, will result in an unsafe condition.
2 No external power is to be applied to terminals
on TB7.
The relay contacts on the MPCE1and MPCE2
3
must be force-guided contacts. To activate
this function, Jumper 2 on the main board needs
to be installed in the ON position.
See Figure 3-5, item 22.
A N. C. or N. O. Remote Start input is selectable;
4
a momentary N. O contact is shown. The selection
jumper, Jumper 1 is located under the lid.
See Figure 3-5, item 19.
4
2
3
MPCE 1 MPCE 1
© OSTI 1209 PN99584-0050 Rev. E
Original Instructions