Siemens SINAMICS G120P - Page 222

Communication via AS-i - only for G110M
7.2 Single Slave mode
Fieldbuses
220 Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
Default setting 32: Modified Single Slave mode
In Single Slave mode with modified addressing the control specifies the following:
Control -> inverter
•
AS-i.DO0
-
>
p3330.0 = 2093.0
ON clockwise / OFF 1
•
AS-i.DO1
-
>
p3331.0 = 2093.1
ON counter
-clockwise / OFF 1
•
AS-i.DO2
-
>
p0810 = 2093.2
Speed via potentiometer or AI0
•
AS-i.DO3
-
>
p2104
= 2093.3
p0852
= 2093.3
Acknowledge errors with a positive edge
Operating
enable, if p2093.3 = 1
Inverter -> control
The inverter sends as response:
•
p2080[0] = 899.0
-
>
AS
-i.DI0
Ready to switch on
•
p2080[1] = 807.0
-
>
AS
-i.DI1
Control priority
•
p2080[2] = 722.0
-
>
AS
-i.DI2
State DI0
•
p2080[3] = 722.1
-
>
AS
-i.DI3
State DI1
If an alarm or fault is pending in the inverter, it sends a warning or fault message.
Table 7-5 Alarm and fault messages via RP0 … RP3 from the inverter to the AS-i
master (Page 225).
Scaling factors for the speed
The scaling factor is specified via AS-i.P0 … AS-i.P3. A diagnostic request is also performed
when AS-i.P0 is sent.
This means, if the control specifies a scaling factor and an alarm or fault is pending in the
inverter, it sends the current alarm or fault messages and accepts simultaneously the sent
value consisting of AS-i.P0 … AS-i.P3 as new scaling factor.
•
AS-i.P0
Scaling factor bit 0
•
AS-i.P1
Scaling factor bit 1
•
AS-i.P2
Scaling factor bit 2
•
AS-i.P3
Scaling factor bit 3
Table 7-3 Scaling of the speed setpoint via AS-i.P0 … AS-i.P3 (Page 224).