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WORD #
WORD NAME
reserved
6
reserved
7
8
Virtual Reset/Cancel Delay (1–16) [RCD Register Bits] (see
Virtual Manual Reset and Cancel Delay (RCD) Sequence
p. 38)
9
reserved
10
RCD Actuation Code [RCD Enable Register] (see
Reset and Cancel Delay (RCD) Sequence
11
DCD Read Request
12
DCD Chain Requested
13
DCD Device Requested
Request Performance and Status Information about an Individual Device via DCD
1. Write Word 12 to the correct DCD chain for the device in question (1 or 2).
2. Write Word 13 to the correct DCD device number (1 to 32).
3. Toggle word 11 from 0 to 1 to perform a one-time read.
4. Go to PLC Input Assembly Instance 104 (0×68), words 103–112 to read the device-specific data response.
Safety Controller Configuration Assembly Object
The Safety Controller does not use a Configuration Assembly Object.
Because some EtherNet/IP clients require one, use Instance 128 (0×80) with a size of zero registers (16-bit).
Safety Controller Outputs (Inputs to PLC) T > O
There are five choices for Safety Controller Output Assembly Objects.
The first and smallest choice includes information about Virtual Outputs and whether they have faults. The second choice
adds advanced data such as the reason why each of the safety outputs is off, and more descriptive fault information for the
Virtual Outputs. The third choice is used exclusively to access the Safety Controller's fault log. The fourth choice is used for
the Virtual Manual Reset and Cancel Off Delay feedback. The fifth choice allows access to both Virtual Manual Reset and
Cancel Delay feedback and DCD information. All five options are shown in the following sections.
PLC Input Assembly Instance 100 (0×64)—8 Registers (VO Status/Fault)
This Assembly Instance includes only basic information about the status of the first 64 Virtual Outputs.
Table 6: PLC Input Assembly Instance 100 (0×64)—Safety Controller Outputs T > O
WORD #
WORD NAME
VO1 – VO16 (see
0
VO17 – VO32 (see
1
VO33 – VO48 (see
2
VO49 – VO64 (see
3
Fault bits for VO1 – VO16 (see
4
Fault bits for VO17 – VO32 (see
5
Fault bits for VO33 – VO48 (see
6
Fault bits for VO49 – VO64 (see
7
on p. 38)
Flags
on p. 123)
Flags
on p. 123)
Flags
on p. 123)
Flags
on p. 123)
Flags
on p. 123)
Flags
on p. 123)
Flags
on p. 123)
Flags
on p. 123)
www.bernstein.eu
Programmable Safety Controller SCR P
DATA TYPE
16-bit integer
16-bit integer
16-bit integer
on
16-bit integer
Virtual Manual
16-bit integer
16-bit integer
16-bit integer
16-bit integer
DATA TYPE
16-bit integer
16-bit integer
16-bit integer
16-bit integer
16-bit integer
16-bit integer
16-bit integer
16-bit integer
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