3 608 878 300 Tightening Technology | Bosch Rexroth AG 191/641
System 350 | 3 608 878 300/2019-03
5.6.22 Open position referencing
Below, the process for referencing of the open position and the relevant PLC signals are illustrated in
chronological sequence.
Fig. 5–7: Open flat output drive referencing in teach-in process
The Cw PLC signal is applied to the ErgoSpin start switch.
The operator presses the start switch once or several times. This way, the program is started for
referencing until the flat output drive is in open position. By pressing the tool button at the nutrunner for
at least 5 seconds, the open position is assigned to the internal angle counter in the controller (GO_Rdy
from "low" to "high", GO_Open from "low" to "high").
(a) Press tool button for 5s
(b) Start switch
(c) Open position
(d) Results data
|····+····|····+····|····+····|····+····|····+····|····+····|
5s
____________________________________/ǦǦǦǦǦǦǦǦǦǦǦǦǦ\_________ (a)
__________/ǦǦǦǦǦǦǦǦǦ\___/ǦǦǦǦǦǦǦ\___________________________ (b)
________________________________/ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ (c)
ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ En
____/ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ CcwSel
____________________________________________________________ Ccw
__________/ǦǦǦǦǦǦǦǦǦ\___/ǦǦǦǦǦǦǦǦ\__________________________ Cw
|····+····|····+····|····+····|····+····|····+····|····+····|
______________________________________XXXXXXXXXXXXXXXXXXXXXX (d)
_/ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ Ack0
ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ NF
_________________________________________________/ǦǦǦǦǦǦǦǦǦǦ GO_Rdy
_________________________________________________/ǦǦǦǦǦǦǦǦǦǦ GO_Open
ǦǦǦǦǦǦǦǦǦǦǦǦ\_________/ǦǦǦ\_______/ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ OK
____________________________________________________________ NOK
ǦǦǦǦǦǦǦǦǦǦǦǦ\_________/ǦǦǦ\________/ǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦǦ CyCmp
____________/ǦǦǦǦǦǦǦǦǦ\___/ǦǦǦǦǦǦǦǦ\________________________ InCyCw
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