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3 Controller
3.2.2 Safety extension unit
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Fig.3-2: Names of safety extension unit parts
<1> DCIN connector ......................... Socket used to connect the supplied DCIN cable (input voltage: 24
<2> DCOUT connector...................... Unused.
<3> RIO1connector ........................... Port used to connect the robot controller.
<4> RIO2 connector .......................... Unused. 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 .......................... Unused.
<10> CJ32 RIO ................................. Unused.
<11> ALM LED .................................. This LED indicates remote I/O communication status. On: Error / Off:
<12> DCIN LED ................................ This LED indicates the status of the 24 VDC power supply. On: Normal
<13> FUSE LED ............................... This LED indicates the status of the fuse. On: Normal operation / Off:
<14> H1, H2, H3, H4 LED................. This LED indicates the status of the relay. On: Normal operation / Off:
<15> FG terminal .............................. This is the terminal used to ground the safety extension unit. (M4 × 1)
<16> STATION NO. switch................ Station number switch. Set to Station number setting 2 from the factory.
3-48 Names of each part
VDC)
Normal operation
operation / Off: Error
Fuse blown
Relay welded shut
Do not change.
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