Software Interface
2-17
Bits
9–10
Pressure Algorithm
V
elocity Byte
Pressure Byte
Description
18916
[.... ....] [00.. ....] Select
standard PID algorithm for
pressure calculation (default)
[.... ....] [01.. ....] Select
dynamic PID algorithm for
pressure calculation
[.... ....] [10.. ....] Reserved
[.... ....] [11.. ....] Reserved
Bit 11 (Open
loop mode only)
Pressure
Ramping
V
elocity Byte
Pressure Byte
Description
18916
[.... ....] [..0. ....] Select
no pressure ramping
[.... ....] [..1. ....] Select
pressure ramping*
Bit
12
Output Range
V
elocity Byte
Pressure Byte
Description
1 8 9 16
[.... ....] [...0 ....] Selects
a PID output range between
0 and +32000 (Output polarity depends
on voltage selection bits.)
[.... ....] [...1 ....] Currently,
this selects a range that is not
useful. It should not be used. A future
release may use this selection to
interface with multifeature valves.
Bit
13
Pressure Output V
oltage Polarity
V
elocity Byte
Pressure Byte
Description
18916
[.... ....] [.... 0...] Select
0 to +10 V
output
range for
pressure command during profile.**
[.... ....] [.... 1...] Select
0 to –10 V
output
range for
pressure command during profile.**
NOTE:
For machine configuration 3 in Ram control mode, the module uses
bit 5 to select output range for output (flow/pressure) command.
*Ramping functions only in open loop mode.
**See download table word 225 for hold values.
Constant 10
(continued)
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