GE VersaSafe VersaPoint IC220SDL840 User Manual page 32

2
2-16
The enable function is not graphically represented in VersaConf Safety in the safety logic
editor. Parameterize the enable function when parameterizing the channels.
The following figure illustrates the enable principle.
PSDO_OUT_Data
Diag S_Data ZD
Figure 2-5 Enable principle (example)
PSDO_OUT_Data Output data from the configurable logic module to the
IC220SDL840
S_Data Safety data from the configurable logic module
Diag Diagnostic data
ZD Enable data from the standard control system
& Standard function block for ANDing
S Safe control signal from the configurable logic module
PSDO
Data-PSDO.x Standard data of the standard control system, which is to enable the
IC220SDL840; bit x
OUTx_Chy Safe output x, channel y
Internal sequences
Table 2-3 Parameterization of output channels for the example in Figure 2-5
Output/channel
OUT0_Ch1
OUT0_Ch2
OUT1_Ch1
OUT1_Ch2
User manual IC220SDL840 - May 2018
IC220DSL840
Diag S_Data ZD
S
PSDO
Data_PSDO.0
S
PSDO
Data_PSDO.2
Output
Single-channel
Not used
Two-channel
Two-channel
&
OUT0_Ch1
OUT0_Ch2
&
OUT1_Ch1
OUT1_Ch2
77220020
Enable
Enabled
Disabled
Enabled
Enabled
GFK-2734