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Turbo PMAC2 PCI Hardware Reference Manual

Hardware Setup 9

Serial Ports

The PMAC2 PCI has two serial-port connectors. Only one of these can be used in an application J5 is a

10-pin IDC header for RS-232 communications. It can be connected to a standard DB9 RS-232

connector on a host computer or terminal via a flat cable such as the Acc-3L. A commercially available

DB9-to-DB25 adapter can be added to such a flat cable if the host computer or terminal has a DB25 serial

connector. Jumpers E17 and E18 on the PMAC2 PCI must connect pins 1 and 2 to use this port.

J5A is 26-pin IDC header for RS-422 communications. It can be connected to a standard DB25 RS-422

connector on a host computer or terminal via a flat cable such as the Acc-3D. Jumpers E17 and E18 on

the PMAC2 PCI must connect pins 2 and 3 to use this port.

A/D-Converter Port

If the Option 12 A/D converters are ordered, the J1 (JANA) analog-input port is provided on the PMAC2

on a 20-pin IDC header. Option 12 provides eight analog inputs at 0 – 5V, or +/-2.5V levels. Option 12A

provides eight additional analog inputs at these levels. The +12V and –12V supplies can either be

brought in on this connector, or brought out on it for the external analog circuitry if they have been

brought in through TB1 or P1.

Handwheel Port

The J7 (JHW) handwheel port provides two limited supplemental channels, each with a 2-channel

encoder input, and a pulse-and-direction or PWM top-and-bottom pair output. All inputs and outputs are

digital 5V differential line-driver pairs.

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Delta Tau PMAC2 Bedienungsanleitung Seite 13