Description of function
Control word encoder (G1_STW and G2_STW)
Control → Converter
Bit Function Explanation
00 Bit7=0 Bit7 = 1
Function 1 1 = Search for reference
cam1 with positive
start direction
1 = Request passive homing to the rising edge of ref‐
erence cam1
01 Function 2 1 = Search for reference
cam1 with negative
start direction
1 = Request passive homing to the falling edge of
reference cam1
02 Function 3 1 = Search for reference
cam2 with positive
start direction
1 = Request passive homing to the rising edge of ref‐
erence cam2
03 Function 4 1 = Search for reference
cam2 with negative
start direction
1 = Request passive homing to the falling edge of
reference cam2
04 Command bit0 1 = Activate requested function using bit0…3
05 Command bit1 1 = Read requested value using bit0…3
06 Command bit2 Reserved
07 Mode 1 = Passive homing
0 = Search for reference cam
08
…
12
Reserved ---
13 Absolute value cy‐
clically
1 = Request for the cyclic transfer of the actual position value in G1_XIST2 or
G2_XIST2
14 Park 1 = Request to park the encoder
15 Acknowledge 0 → 1 = Acknowledge encoder fault
Status word encoder (G1_ZSW and G2_ZSW)
Converter → Control
Bit Status Explanation
00 Bit7=0 Bit7 = 1
Function 1 1 = Search for refer‐
ence cam1 is active
1 = Passive homing to the rising edge of reference cam 1 is
active
01 Function 2 1 = Search for refer‐
ence cam1 is active
1 = Passive homing to the falling edge of reference cam 1 is
active
02 Function 3 1 = Search for refer‐
ence cam2 is active
1 = Passive homing to the rising edge of reference cam 2 is
active
03 Function 4 1 = Search for refer‐
ence cam2 is active
1 = Passive homing to the falling edge of reference cam 2 is
active
04 Status value1 1 = Actual position
value is at reference
cam 1
1 = Passive homing to the rising edge of reference cam 1 has
been completed
Functions
14.4PROFINET communication
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 359