Project Planning Manual
SIPART DR20
Status Signals
Control commands
front and digital
inputs
Front
LED
Digital
output
Effective
output
Explanations
Si
H BL
N *)
H
H
Y
0 0 0 0
0
0
yA
Automatic
mode
0 0 0 1
0.1 0
yN
Tracking
mode
0 0 1 0
0.1 0
yBL
Blocking
mode
0 0 1 1
0.1 0
yBL
Blocking
mode
0
1 0
0
1
1
yH **)
Manual mode
0 1 0 1
0.5 1
yN
Tracking
mode
0 1 1 0
0.5 1
yBL
Blocking
mode
0 1 1 1
0.5 1
yBL
Blocking
mode
1 0 x x
0.1 0
yS
Safety
mode
1 1 x x
0.5 1
yS
Safety
mode
Fig. 3/22
Output switchover of all controller types except DDC controller/manual
control station
Tracking/blocking has priority before manual operation
Signals
Control commands
front and digital
inputs
Front
LED
Digital
output
Effective
output
Explanations
Si
H BL
N *)
H
H
Y
0 0 0 0
0
0
yA
Automatic
mode
0 0 0 1
0.1 0
yN
Tracking
mode
0 0 1 1
0.1 0
yBL
Blocking
mode
0 0 1 1
0.1 0
yBL
Blocking
mode
0
1 0
0
1
1
yH **)
Manual mode
0
1 0
0
0.9
1
yH **)
Manual mode
0
1 1
1
0.9
1
yH **)
Manual mode
0
1 1
1
0.9
1
yH **)
Manual mode
1 0 x x
0.1 0
yS
Safety
mode
1 1 x x
0.5 1
yS
Safety
mode
Fig. 3/23
Output switchover of all controller types except DDC controller/manual
control station
Manual operation has priority over tracking/blocking
*)
Ineffective for S controller with internal feedback
**) Adjustable
1
Digital high signal or LED Iights up
0
Digital low signal or LED does not light up
x
Digital high or low signal
0.1 }
0.5
}
Flashing cycle of LED, see Section 3.2.6 (page 58)
0.9 }
50
