Delta Tau PMAC2A-PC/104 Manual de usuario descargar pdf (Pagina 18)

Hardware Reference Manual

Machine Connections

When used as non-multiplexed I/O, jumpers E7 and E8 select the I/O lines direction of the JTHW

connector. This allows configuring this port as all inputs, all outputs or half inputs and half outputs. If

E7 is removed or E8 is installed then the multiplexing feature if the JTHW port cannot be used.

Handwheel Port (JHW / PD Port)

This port provides an extra encoder input or a set of pulse and direction outputs. Jumpers E3 and E4 select

the function of this connector between encoder input or pulse and direction outputs. The handwheel

encoder input can be linked to a servomotor for manual displacement or used by a motor as a secondary

encoder for dual-feedback applications. There is no C index channel input on the handwheel encoder

port.

Optional Analog Inputs

The optional analog-to-digital converter inputs are ordered either through Option-12 on the baseboard or

Option-2 on the axes expansion board. Each option provides two 12-bit analog inputs analog inputs with

a ±10Vdc range.

Compare Equal Outputs

The compare-equals (EQU) outputs have a dedicated use of providing a signal edge when an encoder

position reaches a pre-loaded value. This is very useful for scanning and measurement applications.

Instructions for use of these outputs are covered in detail in the PMAC2 User Manual.

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Delta Tau PMAC2A-PC/104 Manual de usuario Pagina 18