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Programmable Safety Controller SCR P
120
www.bernstein.eu
- Tel: + 49 571 793 0
WORD #
WORD NAME
DATA TYPE
34
RCD Actuation Code Feedback [RCD Enable Feedback Register]
(see
Virtual Manual Reset and Cancel Delay (RCD) Sequence
on
p. 38)
16-bit integer
35
–36
DCD System Status
– Chain 1 Device Count
32-bit integer
37
–38
DCD System Status
– Chain 2 Device Count
32-bit integer
39
–40
DCD System Status
– Chain 1 Device On/Off Status
32-bit integer
41
–42
DCD System Status
– Chain 2 Device On/Off Status
32-bit integer
43
–44
DCD System Status
– Chain 1 Fault Status
32-bit integer
45
–46
DCD System Status
– Chain 2 Fault Status
32-bit integer
47
–48
DCD System Status
– Chain 1 Marginal Status
32-bit integer
49
–50
DCD System Status
– Chain 2 Marginal Status
32-bit integer
51
–52
DCD System Status
– Chain 1 Alert Status
32-bit integer
53
–54
DCD System Status
– Chain 2 Alert Status
32-bit integer
55
–56
DCD System Status
– Chain 1 Reset Status
32-bit integer
57
–58
DCD System Status
– Chain 2 Reset Status
32-bit integer
59
–60
DCD System Status
– Chain 1 Actuator Recognized
32-bit integer
61
–62
DCD System Status
– Chain 2 Actuator Recognized
32-bit integer
63
–64
DCD System Status
– Chain 1 System Status
32-bit integer
65
–66
DCD System Status
– Chain 2 System Status
32-bit integer
67
–99
reserved
16-bit integer
100
DCD Read Request Acknowledge
16-bit integer
101
DCD Chain Requested Acknowledge
16-bit integer
102
DCD Device Requested Acknowledge
16-bit integer
103
–112
DCD Individual Device-Specific Data (see
on p. 121)
16-bit integer
DCD Chain System Status
BERNSTEIN has created a couple of words that can be accessed quickly by the PLC to indicate if there are any problems
with the DCD chain.
This information has the following format:
Information
Type
Data Size
DCD chain count does not match configuration
SCR P Alert
1 bit
DCD chain order does not match configuration
SCR P Alert
1 bit
No DCD data detected on configured DCD chain
SCR P Alert
1 bit
Invalid (non-DCD) device in DCD chain
SCR P Alert
1 bit
Reserved
1 bit
DCD chain terminator plug missing
DCD Status
1 bit
SI-RF high or unique sensor not taught an actuator
DCD Fault
1 bit
Wrong actuator presented to a high or unique sensor
DCD Fault
1 bit
Internal error on an DCD device in the chain
DCD Fault
1 bit
DCD Output fault detected, output turn off counter started
DCD Fault
1 bit