Siemens SINAMICS S120 Function Manual page 488

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Function modules

7.8 Basic positioner

MDI mode with the use of PROFIdrive telegram 110.

If the connector input p2654 is preset with a connector input <> 0 (e.g. with PROFIdrive

telegram 110 with r2059[11]), then it will internally manage the control signals "Select

positioning type", "Positive direction selection" and "Negative direction selection". The

following characteristics are evaluated from the value of the connector input:

● xx0x = absolute -> p2648

● xx1x = relative -> p2648

● xx2x = ABS_POS -> p2648, p2651

● xx3x = ABS_NEG -> p2648, p2652

Intermediate stop and reject traversing task

The intermediate stop is activated by a 0 signal at p2640. After activation, the system brakes

with the parameterized deceleration value (p2620 or p2645).

The current traversing task can be rejected by a 0 signal at p2641. After activation, the

system brakes with the maximum deceleration (p2573).

The "intermediate stop" and "reject traversing task" functions are only effective in "traversing

blocks" and "direct setpoint specification / MDI" modes.

Function diagrams (see SINAMICS S120/S150 List Manual)

• 3618 EPOS - Direct setpoint specification / MDI mode, dynamic values (r0108.4 = 1)

• 3620 EPOS - Direct setpoint specification / MDI mode (r0108.4 = 1)

Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3

Drive functions