72 • Technical Specifications X64 Xcelera-HS PX8 User's ManualJ4: External Signals ConnectorThe following table defines the signals and the connector pinout. A subset of these signals are alsoavailable on J1. Connect to one or the other but never both when the signal is the same.J4 Pin Header Numbering Detail2 4 ... 38 401 3 ... 37 39J4 Signal DescriptionsDescription Pin # Pin # DescriptionGround 1 2 GroundGeneral Input 1 + 3 4 General Input 1 -(all Opto-coupled — see note 1)General Input 2 + 5 6 General Input 2 -General Input 3 + 7 8 General Input 3 -General Input 4 + 9 10 General Input 4 -General Output 1 + 11 12 General Output 1 -(all Opto-coupled — see note 2)General Output 2 + 13 14 General Output 2 -General Output 3 + 15 16 General Output 3 -General Output 4 + 17 18 General Output 4 -External Trigger Input 1 + 19 20 External Trigger Input 1 -(all Opto-coupled — see note 3)External Trigger Input 2 + 21 22 External Trigger Input 2 -Opto-coupled Shaft Encoder Phase A + 23 24 Opto-coupled Shaft Encoder Phase A -(see note 4)Opto-coupled Shaft Encoder Phase B + 25 26 Opto-coupled Shaft Encoder Phase B -Ground 27 28 Strobe Output 1 (see note 5)Ground 29 30 Strobe Output 2Ground 31 32 GroundPower Output 5 Volts, 1.5A max 33 34 Power Output 5 Volts, 1.5A max(see note 6)Power Output 12 Volts, 1.5A max 35 36 Power Output 12 Volts, 1.5A max(see note 6)Ground 37 38 GroundGround 39 40 GroundTable 32: J4 Pin Header Pins Detail
