Functions
8.9 2-/3-wire control
Control Units CU240S
8-42 Operating Instructions, 11/2006, A5E00766042B AA
Table 8-18 Redefined digital inputs
Settings
P0701 …
(P0712, P0713)
P0727 = 0
Siemens Standard
P0727 = 1
2-wire control
P0727 = 2
3-wire control
P0727 = 3
3-wire control
1 ON/OFF1 ON_FWD STOP ON_PULSE
2 ON_REV/OFF1 ON_REV FWDP OFF1/HOLD
12 REV REV REVP REV
"P" denotes "Pulse"; "FWD" denotes "Forward"; "REV" denotes "Reverse"
Each of the control methods shown in the table above will be explained individually.
BICO connections
The different 2-/3-wire control methods can also be accomplished using BICO connections.
A summary is given in the table below.
Table 8-19 BICO Connections
Functions of BICO
parameter
P0727 = 0
Siemens Standard
P0727 = 1
2-wire control
P0727 = 2
3-wire control
P0727 = 3
3-wire control
P0840 ON/OFF1 ON_FWD STOP ON_PULSE
P0842 ON_REV/OFF1 ON_REV FWDP OFF1/HOLD
P1113 REV REV REVP REV
"P" denotes "Pulse"; "FWD" denotes "Forward"; "REV" denotes "Reverse"
8.9.1 Siemens standard control (P0727 = 0)
Description
With P0727 = 0 there are two possibilities of control available using the following signals
1. ON/OFF1 and REV.
2. ON/OFF1 and ON_REV/OFF1.
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