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21.1 System Configuration
21.1.3 Connecting to SDC20/21
21.1.3 Connecting to SDC20/21
1 System configuration and connection conditions
Connection conditions
System configuration
Number of
GOTs
Number of
temperature
controllers
Communi
-cation
Distance
1 1 RS-232 15m or less
1
1 RS-232 15m or less
31 (max.) RS-485 500m or less
1 31 (max.) RS-485 500m or less
1 31 (max.) RS-485 500m or less
YAMATAKE SDC/DMC
Communication driver
RS-232 cable 2)
5
1
MAX15m
4
RS-232 cable 1)
6
RS-485 cable 2)
7
1
31 (max.)
Interface converter
MAX500m
MAX15m
RS-485 cable 4)
8
2
31 (max.)
MAX500m
RS-485 cable 5)
3
31 (max.)
MAX500m