Performance; Digital Speed Reference; Analog Outputs; Digital Inputs And Outputs - Emerson Mentor MP Advanced User's Manual

Parameter structure Keypad and display
7

Performance

7.1

Digital speed reference

Table 7-1 Accuracy and resolution
Accuracy
Resolution
*0.01 % of the reference
7.2 Analog reference
Table 7-2 Update rates
Analog input 1
All kHz
Analog input 2 / 3
* Analog input 1 is subject to a window filter as defined in Pr 7.26.
Table 7-3 Resolution
Analog input 1
Analog input 2 / 3
*16 bit plus sign as a speed reference, resolution = Pr 7.26 x 500 x 10
7.3

Analog outputs

Table 7-4
Resolution (voltage mode)
Resolution (current mode)
Update rate
Update rate (high speed update - voltage mode
only)*
*When sourced from Pr 4.02, Pr 4.17 in any mode and Pr 3.02 = {di05,
0.40}, Pr 5.03 in closed-loop.
7.4

Digital inputs and outputs

Table 7-5 Response times
Terminals
24-26 as input
24-26 as output
27-29
31 (enable)
31 (disable)
Relay output closing
Relay output opening
*software only
7.5

Current feedback

Accuracy: 5 %
Resolution: 10 bit plus sign
Full scale resolution is equivalent to 222 % drive rated current (A
Mentor MP Advanced User Guide
Issue Number: 4
Parameter description
Parameter x.00
Preset Precision
0.01 %* 0.01 %*
0.1 rpm 0.001 rpm
Pr 1.36 /
Pr 4.08 Pr 3.22
Pr 1.37
250 s* 250 s*
4 ms*
250 s 250 s 250 s
16 bits plus sign*
10 bit plus sign
10 bit plus
10bit
4 ms
250 s
Pr 6.35 / Pr 6.36
Other
(Limit switches)
250 s
4 ms
4 ms 4 ms
250 s
4 ms
- 4 ms*
<100 s
-
4 ms* 4 ms*
4 ms* 4 ms*
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Advanced parameter
format
descriptions
7.6

Bandwidth

7.6.1

Speed loop

The speed loop bandwidth is 10 Hz.
7.6.2

Current loop

The current loop bandwidth is 100 Hz.
Other
4 ms*
4 ms
3
.
sign
)
DC
Serial comms
Performance
protocol
211