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I N S T A L L A T I O N
Mounting
16
Safety Edge Controllers Manual 99640-0010 Rev.P
Original Instructions
7 I
NSTALLATION
7.1. M
OUNTING
The SCC-1224 controller is a DIN rail mounted controller.
7.2. C
ONNECTING
THE
S
AFETY
E
DGES
7.2.1
W
IRING
Caution must be used when installing, connecting and operating the SCC-
1224 and SCC-1224ND Safety Edge Controller and SCS and SGE Safety
Edge. Please observe all local electrical codes.
• When using 24 VDC, c24 VDC to terminal B1 and – 24VDC to
terminal B2.
• When using 115 VAC, connect to terminals A1 and A2.
• Connect the two wires from the Safety Edge to terminals X1 and X2 of the
Controller. Polarity does not have to be observed.
With the jumper wire is installed across terminals 14 and 23 (factory
default) both safety relays are used in the safety output circuit only one
machine primary control element (MPCE) is used. (
See Figure 5-2
Start/Restart Interlock Connection Diagram on page 12
) external fusing
(not to exceed 4.0 amps) is required to protect internal safety relay
contacts.
• With the jumper wire removed from terminals 14 and 23, each MPCE is
individually wired. (
See Figure 5-2 Start/Restart Interlock Connection
Diagram on page 12
) external fusing (not to exceed 4.0 amps) is required to
protect internal safety relay contacts.