Status word bit map – Delta MMC120 User Manual

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the module no longer can control the position. If the Integrator and Null Drive

were allowed to update they could become quite large and cause the axis

position to jump when the hydraulic system was turned back on.

Bit 15 - Stopped
This bit is set when the average speed of the axis is less than 500

TRANSDUCER

COUNTS

per second and is cleared when the speed is greater than 1000

TRANSDUCER

COUNTS

per second. It can be used as an axis obstruction indication. The Stopped bit

is not latched.

Bit 16 - In Position

This bit will be set when the difference between the

ACTUAL POSITION

and

COMMAND POSITION

is less than the value in the

IN POSITION

field; it is not

latched.

NOTE:The control program can monitor this bit to determine when an axis has arrived

at the commanded position.

STATUS Word Bit Map

The axis Status word contains 16 bits of information about the status of the axis. This

hexadecimal table provides an easy way to convert hexadecimal numbers to bit patterns.

1 1 1 1

1 1 1 0

Hexadecimal To

1 1 0 1

Binary Conversion

1 1 0 0

Table

1 0 1 1

1 0 1 0

1 0 0 1

1 0 0 0

0 1 1 1

0 1 1 0

0 1 0 1

0 1 0 0

0 0 1 1

0 0 1 0

0 0 0 1

0 0 0 0

_______

| | | | | | | | | | | | | | | | | | | |

| | | | | | | | | | | |1|1|1| |1|1|1|1|

|1|2|3|4| |5|6|7|8| |9|0|1|2| |3|4|5|6|

Bit Definition

|_|_|_|_| |_|_|_|_| |_|_|_|_| |_|_|_|_|

----------------

/ / / /

**No MDT ------------ 01 -/ / / /

/ / / /

**MDT Noise --------- 02 --/ / /

/ / / /

**MDT Overflow ------ 03 ---/ /

/ / / /

*Overdrive --------- 04 ----/

/ / / /