ABB SPA-ZC 302 Installation And Commissioning Manual page 21

1MRS755014
Profibus-DPV1/SPA Gateway
Installation and Commissioning
Fig. 3.3.3.3.-2 DIP switch configurations A1-4 and B1-8
If the new DIP switch configuration requires changing of
communication port in the SPA slave, the Module status word
indicates SPA off-line status (bit 3=1). Refer to Section 5.1. Program
overview for more information about the Module status word.
With several relays in the SPA loop, you actually set the interface between SPA-ZC
21 and SPA-ZC 302, for example RS 485, and activate the +8V supply to SPA-ZC
21.
SPA-ZC 302
A050292
21