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20
1MRS755014
Profibus-DPV1/SPA Gateway
Installation and Commissioning
SPA-ZC 302
.
In the gateway version 2.0, the DIP switch configuration has changed from the
version 1.03.03, see Fig. 3.3.3.3.-2 for the new ON-OFF direction.
Table 3.3.3.3-1 DIP switch configurations A1-4 and B1-8
DIP switch no Interface type
Description
B5-8
RS-485
This interface type is supported by most protection relays
B4
RS-485/ TTL/
+ 8 Volt supply
voltage
This interface type is used for powering additional
adapters, such as SPA-ZC 21(RS-485/TTL to optical
converter for the SPA bus)
B2-3
TTL level
This interface type is supported for example by the SPAJ
140 C protection relay
B1
-
DIP switch B1 is not connected
A2-4
RS-232
This interface type is necessary when configuring the
gateway and is also supported by some protection
relays.
A1
Configuration
mode
DIP switch A1 puts the gateway into configuration mode.
This switch must be ON whenever communication is
required between PCT and the gateway. When this
switch is ON, the RS-232 interface type shall also be
selected