70 • Technical Specifications Xtium-CLHS PX8 User's ManualBlock Diagram: Connecting External Drivers to General Inputs on J1J1: External Signals Connector(DH60-27P)Reserved4External Signals Xtium-CLHS PX82627::V (+)3V (+)2V (+)1V (+)DifferentialDriverUser Signal Ground25 :24 :23 :General Output 422 :General Output 321 :1920::18 :17 :General Input 4 (+)16 :General Input 3 (+)15 :Power Output (12 Volts)14 :Ground13 :General Output 212 :General Output 1 / Strobe11 :Ground10 :General Input 2 / Trigger 2 (+)9 :General Input 1 / Trigger 1 (+)8 :7 :Shaft Encoder B (+)6 :Shaft Encoder B (-)5 :Ground4 :Shaft Encoder A (+)3 :Shaft Encoder A (-)2 :Ground1 :DifferentialDriverDifferentialDriverDifferentialDriverGeneral Input 1 / Trigger 1 (-)General Input 4 (-)General Input 3 (-)Power Output (5 Volts)General Input 2 / Trigger 2 (-)General Output 5General Output 6General Output 7General Output 8Figure 25:External Signals Connection DiagramExternal Driver Electrical RequirementsThe Xtium-CLHS allows user selected (software programmable) input switching points to supportRS-422, TTL, 12V or 24V input signals. The following table defines the external signal voltagerequirements from the driver circuits connected to the Xtium external inputs.Input Level Description MIN MAXTTL/RS-422 Output Voltage High (V OH) 2.4 V 5.5 VOutput Voltage Low (V OL) 0 V 0.8 V12V Output Voltage High (V OH) 9 V 13.2 VOutput Voltage Low (V OL) 0 V 3 V24V Output Voltage High (V OH) 18 V 26.4 VOutput Voltage Low (V OL) 0 V 6 V
