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AS-i 3.0 EtherNet/IP+Modbus TCP Gateway
The Modbus Address Table
11.1
Safety Control/Status
11.1.1
External monitor, AS-i circuit 1/2
Safety status external monitor (data for read access)
4x
access
reference
bit value
„bit"
5641
r / –
...
...
5648
r / –
5649
r / –
...
...
5887
r / –
Coding of status bytes per OSSD
Bit [0 ... 3]
State or. color
00
green permanent lighting
16
01
green flashing
16
02
yellow permanent lighting
16
03
yellow flashing
16
04
red permanent lighting
16
05
red flashing
16
06
grey or off
16
07
reserved
16
Bit [6]
status or color
0
no device flashing yellow
1
at least one device flashing yellow
Bit [7]
status or color
0
no device flashing red
1
at least one device flashing red
The cyclical output identifier contains the 4 Safety Monitor bits 1.Y1, 1.Y2, 2.Y1
and 2.Y2. The monitoring element "Monitor input" and the start elements "Monitor
Start-Monitor Input" and "Activation using Monitor Input" access these data. In
contrast, the "Feedback circuit" element always accesses the EDM input. The bits
of the output bytes are ORed with the real and the homonymous hardware inputs
of the device.
data read access
15
14
13
12
11
10
2
2
2
2
2
2
1
2
3
4
5
6
slave 1: OSSD 1
...
slave 1: OSSD 15
slave 2: OSSD 1
...
slave 31: OSSD 15
9
8
7
6
5
4
2
2
2
2
2
2
7
8
9
10
11
12
slave 1: OSSD 2
...
slave 1: OSSD 16
slave 2: OSSD 2
...
slave 31: OSSD 16
3
2
1
0
2
2
2
2
13
14
15
16
Tab. 11-47.
Tab. 11-48.
71
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