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DMCP User Guide Page 5 of 9 October 23, 2001

10 Read Device Registers (little Endian)

Description

This block reads from the device’s registers. These registers are in a flat address space

ranging from 0 to 65,535. On the RMC, these registers have pre-defined uses.

Therefore, you must refer to the RMC Register Map in the RMCWin online help to read

the data you wish.

Request

The request uses this format:

10 Address WordCnt00

0A 00

00 SeqNumVer

Address

The register address to begin reading from.

WordCnt

The number of registers to read (1-2048 in TCP, 1-512 in UDP).

Response

The success response follows this format:

WC*2+6 90 00 Data

Data

n-1

00 SeqNumVer

Data

-Data

n-1

The data read from the address requested.

Example

The Command Position, Target Position, Actual Position, Counts, and Status Word for

axis 1 are located at register addresses 10-14. If a user wants to read these five registers,

the following packet would be sent to the RMC:

10 0A0A 00 00 05 000000 12 3102

If these fields have the values 4000 (0x0FA0), 4000 (0x0FA0), 4001 (0x0FA1), 4247

(0x1097), and 0x0043, the response would be the following:

90 0010 00 A0 0F A0 0F A1 0F

97 10 43 00

00 12 3102

1 2 3 4 5 6 7 8 9

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Delta RMC101 Bedienungsanleitung Seite 5