SEW DRC2 - Page 129

Operating Instructions – Electronic Motor DRC.-..-SNI
129
8
Description of power section parameters
Parameters
8.6.5 Diagnostic functions
Power section parameters \ diagnostics functions \ reference signals
The following reference values are used for detecting and reporting certain operating
states. All signals of this parameter group can be output via virtual binary outputs.
Speed reference
signal
Signal if the speed is less than or greater than the set reference speed.
Speed reference
value index 8539.0
Setting range: 0 – 1500
– 6000 rpm
Hysteresis
index 8540.0
Setting range: 0 – 100
– 500 rpm
Delay time index
8541.0
Setting range: 0 – 1
– 9 s
Signal = "1" if:
Index 8542.0
n < n
ref
/ n > n
ref
INFORMATION
The signals are only valid if the inverter has signaled "ready" after switch-on and no
error is indicated.
9007202042180875
n
ref
-n
ref
Index 8540.0
Index 8539.0
t
Index
8541.0
1
1
0
0
t
t
n rpm
Index 8542.0:
Signal = "1" if |n| < n
ref
Index 8542.0:
Signal = "1" if |n| > n
ref
00
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