Alpha Technologies IP Bell - 02C Istruzioni per gli Interventi Scaricare il pdf (Pagina 8)

IPDP - installation and operating instructions

Picture 1 Basic module - motherboard

The relay connection is shown on pict. 2.(page 9) The “NO” designation

means an idle-disconnected contact, “COM” means a pin contact (middle) and

“NC” means an idle-connected contact. The contacts of both relays are

galvanically isolated each other and from other circuits as well. The variants of

relay connection are shown on picture. 3 and 4.( page 10)

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Alpha Technologies IP Bell - 02C Istruzioni per gli Interventi Pagina 8