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Product Description XI/ON - Eaton Automation

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<strong>XI</strong>/<strong>ON</strong>: Gateways for Modbus TCP 5 Implementation of Modbus TCP<br />

A Defaultsettings<br />

Byte Bit Parameter<br />

name<br />

1 6 to<br />

4<br />

2 3 to<br />

0<br />

Number of<br />

invalid bits<br />

(MSB)<br />

7 reserved<br />

7 to<br />

4<br />

Value<br />

– Meaning<br />

000 to 111:<br />

Number of invalid bits on the MSB<br />

side of the position value supplied<br />

by the SSI encoder. The meaningful<br />

word width of the position value<br />

transferred to the module bus<br />

master is as follows:<br />

SSI_FRAME_LEN -<br />

INVALID_BITS_MSB -<br />

INVALID_BITS_LSB.<br />

The invalid bits on the MSB side are<br />

zeroed by masking the position<br />

value. INVALID_BITS_MSB +<br />

INVALID_BITS_LSB must always<br />

be less than SSI_FRAME_LEN.<br />

Default: 0 = 0hex<br />

data rate 0000 = 1000000 bps<br />

0001 = 500000 bps A<br />

0010 = 250000 bps<br />

0011 = 125000 bps<br />

0100 = 100000 bps<br />

0101 = 83000 bps<br />

0110 = 71000 bps<br />

0111 = 62500 bps<br />

... reserved<br />

reserved<br />

100 M001973-01, 07/2007

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