Parker 591C - Page 400

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590 Series DC Digital Drive

Technical Specifications E-21

Terminal Information (Option Boards)

Terminal Description Terminal Function Signal Level Terminal Number

(5901 MICROTACH OPTION MODULE - GLASS)

Signal Input Microtach fibre optic

input

There are no other connections to this option module. (The 5901 Microtach should be

TERMINAL BLOCK G (ENCODER OPTION)

Terminal Block G pinouts will change function depending upon which option board is fitted to the control board. The configuration supplied as standard is with

the Switchable Tacho Calibration Option fitted. Further information on the other options may be obtained from the relevant Technical Manual.

TERMINAL BLOCK H (SERIAL COMMUNICATIONS)

Note: Where more than 8 serial communications option boards are interconnected on one system, the line termination resistor fitted to the option board causes

excessive loading on the system. The resistor should be removed on boards daisy chained in the serial wiring, not those at the beginning or end of the system.

Refer to Parker SSD Drives if in doubt.

RS485

XMT-

XMT +

Serial Communications Port P1 Transmit Terminals

Balanced Line Driver outputs compatible with RS422 signal levels

0V Isolated

Serial Communications Port

Signal ground with galvanic isolation from controller signal ground or power ground (note that the signal screen

must also be grounded at the host)

RCV-

RCV+