Siemens SIPART DR20

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