Delta MMC120 User Manual Page 128

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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
ThisbitwillbesetwhenthedifferencebetweentheACTUAL 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.
F 1111 1111 1111 1111
E 1110 1110 1110 1110
Hexadecimal To D 1101 1101 1101 1101
Binary Conversion C 1100 1100 1100 1100
Table B 1011 1011 1011 1011
A 1010 1010 1010 1010
9 1001 1001 1001 1001
8 1000 1000 1000 1000
7 0111 0111 0111 0111
6 0110 0110 0110 0110
5 0101 0101 0101 0101
4 0100 0100 0100 0100
3 0011 0011 0011 0011
2 0010 0010 0010 0010
1 0001 0001 0001 0001
0 0000 0000 0000 0000
_______ _______ _______ _______
||||||||||||||||||||
||||||||||||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 ----/ //// //// ////
//// //// ////
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