Spectrum Controls 1746sc-OAP8I - Manual (Page 18)

Installation Instructions
Isolated-Circuit
Discrete Input and Output Modules
16
In addition, for the 1746sc-IA8I, -IB8I, -IC8I, and -IM8I only, you must
install a ferrite on the SLC 500 power line. You may use either a clam-shell
type (Steward part 28B2029-0A0 or equivalent) or a ring type (Steward part
28B2400-000 oivalent). If you use the ring type, loop the cable through at
least once.
Module
You may obtain these ferrites directly from Steward:
Post Office Box 510
Chattanooga, TN 37401
Fax: (426) 867-4102 • Tel: (426) 867-4100