4Basic operations
Handling the controller 4-46
4.1.3 Safety extension unit
Fig. 4-2 ： Names of each part of the safety extension unit
<1> DCIN connector.......................................Socket used to connect the supplied DCIN cable (input voltage: 24 VDC)
<2> DCOUNT connector ..............................Cannot be used
<3> RIO1 connector .......................................Port used to connect the robot controller
<4> RIO2 connector .......................................Cannot be used Connect the supplied terminator cap (2F-SFTM).
<5> SDI1 connector........................................Safety DI input port
<6> SDI2 connector........................................Safety DI input port
<7> SDO1 connector .....................................Safety relay output port
<8> SDO2 connector .....................................Safety relay output port
<9> CJ31 connector.......................................Cannot be used
<10> CJ32 connector ....................................Cannot be used
<11> ALM LED..................................................This LED indicates remote I/O communication status. On: Error / Off: Nor
-
mal operation
<12> DCIN LED ................................................This LED indicates the status of the 24 VDC power supply. On: Normal
operation / Off: Error
<13> FUSE LED................................................This LED indicates the status of the fuse. On: Normal operation / Off: Fuse
blown
<14> H1, H2, H3, H4 LED .............................This LED indicates the status of the relay. On: Normal operation / Off:
Relay welded shut
<15> FG terminal .............................................This is the ground terminal for the safety extension unit. (M4 screw × 1)
<16> STATION NO switch...........................This is the station number setting switch. Set to Station number setting 2
from the factory. Do not change the number.
<9>
<10>
<3>
<4>
<1>
<15>
<13>
<2>
<12>
<11>
<8>
<16>
<5>
<6>
<7>
<14>
