Bit Meaning Remarks Signal inter‐
connection in
the inverter
2 1 = Operation enabled Motor follows setpoint. See control word 1, bit 3. p2080[2] =
r0899.2
3 1 = Fault active The inverter has a fault. Acknowledge fault using
STW1.7.
p2080[3] =
r2139.3
4 1 = OFF2 inactive Coast down to standstill is not active. p2080[4] =
r0899.4
5 1 = OFF3 inactive Quick stop is not active. p2080[5] =
r0899.5
6 1 = Switch-on inhibit active It is only possible to switch on the motor after an
OFF1 followed by ON.
p2080[6] =
r0899.6
7 1 = Alarm active Motor remains switched on; no acknowledge‐
ment is necessary.
p2080[7] =
r2139.7
8 1 = Speed deviation within the
tolerance range
Setpoint / actual value deviation within the toler‐
ance range.
p2080[8] =
r2197.7
9 1 = Master control requested The automation system is requested to accept
the inverter control.
p2080[9] =
r0899.9
10 1 = Comparison speed
reached or exceeded
Speed is greater than or equal to the correspond‐
ing maximum speed.
p2080[10] =
r2199.1
11 1 = Torque limit not reached Comparison value for current or torque has been
fallen below.
p2080[11] =
r0056.13 /
r1407.7
12 Reserved p2080[12] =
r0899.12
13 0 = Alarm, motor overtempera‐
ture
-- p2080[13] =
r2135.14
14 1 = Motor rotates clockwise Internal inverter actual value > 0 p2080[14] =
r2197.3
0 = Motor rotates counter-
clockwise
Internal inverter actual value < 0
15 0 = Alarm, inverter thermal
overload
p2080[15] =
r2135.15
1)
If you change over from another telegram to telegram 20, then the assignment of the previous
telegram is kept.
Further information
Further information about Modbus RTU is provided in the "Fieldbus" function manual.
Overview of the manuals (Page 537)
Advanced commissioning
6.7 Drive control via Modbus RTU
Converter with the CU230P-2 Control Units
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE 239
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