AS-i 3.0 EtherNet/IP+Modbus TCP Gateway
The Modbus Address Table
26.9.2013
71
11.1 Safety Control/Status
11.1.1 External monitor, AS-i circuit 1/2
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.
Safety status external monitor (data for read access)
4x
reference
access data read access
bit value
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
„bit“ 12345678910111213141516
5641 r / – slave 1: OSSD 1 slave 1: OSSD 2
……… …
5648 r / – slave 1: OSSD 15 slave 1: OSSD 16
5649 r / – slave 2: OSSD 1 slave 2: OSSD 2
……… …
5887 r / – slave 31: OSSD 15 slave 31: OSSD 16
Tab. 11-47.
Coding of status bytes per OSSD
Bit [0 ... 3] State or. color
00
16
green permanent lighting
01
16
green flashing
02
16
yellow permanent lighting
03
16
yellow flashing
04
16
red permanent lighting
05
16
red flashing
06
16
grey or off
07
16
reserved
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
Tab. 11-48.
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