IAI America SCON-C - Manual (Page 221)

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Appendix
4.2 Name and Function of Each Part of the SIO Converter
This is a converter unit conforming to RS485/232C.
[1] Power/emergency-stop terminal block (TB2)
EMG1, EMG2 Provide a contact output for the emergency-stop switch on the teaching pendant.
EMG1 and EMG2 connect to the emergency-stop switch on the teaching pendant when the
PORT switch is ON, or are shorted when the PORT switch is OFF.
These terminals comprise an interlock with a safety circuit provided by the user.
24V Positive side of the 24-V power supply (power supply for the teaching pendant and
conversion circuit)
0V Negative side of the 24-V power supply
FG FG of the 24-V power supply
(Note) 0V connects to pin 7 (GND) in the controller’s communication connector.
 Connection method
Use a connection cable satisfying the following specifications:
Item Specification
Applicable wire size Single wire:
0.8 to 1.2 mm / Stranded: AWG size 20 to 18 (end is soldered)
Stripped wire length 10 mm
Used for continuity check Insert a flathead screwdriver with a bit size of approx. 2.6 mm.
Connection cable
J5 J4
[2] Link-connection terminal block (TB1) [1] Power/emergency-stop terminal block (TB2)
[6] Monitor LEDs
[3] D-sub, 9-pin connector
[4] Mini DIN, 8-pin connector
[5] PORT switch
[7] e-CON connector