Siemens SIPART DR21 Manual page 65

Manual
Control signals Message signals
Digital
Front
Front
inputs
H CB In- In-
1)
ter- ter-
∨N
nal nal
∨Si
LED
0 1 0 0
0 0 0 0
0 1 1 1
0 0 1 1
1 1 0 0
1 0 0 0
1 1 1 1
1 0 1 1
1)
The table is shown for static CB-switching without acknowledgement (S41 = 0).
2)
Source for w at S85 = 0, 1, (4, 5 as of software version -A5) is w
E
fed in through the SES (w
3)
SH can only be reached after w
from 1 → 0, wi is still active. Since SH is not tracked, switching over to SH can take place with the setpoint ramp tS.
4)
By OR-linking with the digital outputs H, N and the control signal Si no computer standby or computer operation can be
signaled in manual-, tracking- or safety operation.
5)
Factory setting
(n) tracked to the value active before switching, therefore bumpless switching
adjustable
↗
Factory setting
Table 3-4 Slave-/synchronized-/SPC-controller with Internal-/External switching S1 = 1 with tracking of
the inactive setpoint to the active S45 = 0
SIPART DR21
C73000-B7476-C143-08
Digital
outputs
C RB RC
4) 4)
LED S43=0
S44=0
0 0 0 w (n)
E
1 0 1 wi(n,
0 1 1 wi(n,
1 1 1 wi(n,
w
E
0 0 0
2)
(n)
wi
1 0 1
(n, )
↗
wi
0 1 1
(n, )
↗
wi
1 1 1
(n, )
↗
) is tracked. Tracking is not possible when the external setpoint is fed in via w
ES
, if Int = 0 and CB goes from 1 → 0 (computer failure). If CB = 0 and Int is switched
E
3 Functional description of the structure switches
3.4
active w at
S43=1 S43=0 S43=1
S44=0 S44=1 S44=1
2) 2)
w (n)
E
3)
SH
) or
↗
wi(n, )
↗
) wi(n, )
↗ ↗
) wi(n, )
↗ ↗
w
E
x x
2)
(n)
3)
SH
or
x x
wi
(n, )
↗
wi
x x
(n, )
↗
wi
x x
(n, )
↗
or at S85 = 2, 3 w
EA
Controller types (S1, S42 to S45)
Com-
Explanations E l ti
Automatic mode,
SPC-mode
Automatic mode,
computer switched off,
computer in
SPC-standby
Automatic mode,
computer on standby,
controller not in
5)
SPC-standby
Automatic mode,
computer switched off,
computer in SPC-
standby
Manual-, tracking- or
5)
safety mode
(SES). The external setpoint
ES
.
EA
pu-
ter- t
fai-
lure
65