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AS-i 3.0 EtherNet/IP+Modbus TCP Gateway
The Modbus Address Table
11.5
AS-i circuit 2 analog data
11.5.1
16 bit output data of AS-i slaves according to slave profile 7.3 or 7.4
AS-i circuit 2
16 bit output data of as-i slaves according to slave profile 7.3 or 7.4
4x
reference
9221
9222
...
9344
11.5.2
16 bit input data of as-i slaves according to slave profile 7.3 or 7.4
AS-i circuit 2
16-bit input data of AS-i slaves according to slave profile 7.3 or 7.4
4x
reference
9349
9350
...
9472
11.6
Modbus watchdog
The watchdog is set by default to 1000 msec (=100 in register 61441). This value
will be automaticly set after POWER ON of the gateway. Every write access on
any Modbus registers reloads the watchdog timer. If no values are written before
the watchdog timer is counted to zero the gateway will automaticly put all AS-i cir-
cuits that are not in conguration mode in a safe state by clearing the outputs. This
means they are reseted.
The timeout period can be adjusted if necessary at the address 61441 (in 10 ms
units, range 1 to 65536) but it will return to the default value on power cycle.
If zero is written to the address 61441, the watchdog is disabled.
The reference 2087 holds the default value for the watchdog timeout. This value
is set in the register 61441 after power on of the gateway. This period can be ad-
justed from 0 to 999 (0=watchdog disabled). Writing to this register also writes to
the register 61441.
Reading the address 61441 returns the watchdog holdup time remaining (reset to
value written at each output operation).
78
data
word
15
14
13
12
2
2
2
2
1
slave at address 1, channel 1
2
slave at address 1, channel 2
...
124
slave at address 31, channel 4
data
word
15
14
13
12
2
2
2
2
1
slave at address 1, channel 1
2
slave at address 1, channel 2
...
124
slave at address 31, channel 4
11
10
9
8
7
6
2
2
2
2
2
2
11
10
9
8
7
6
2
2
2
2
2
2
5
4
3
2
1
0
2
2
2
2
2
2
Tab. 11-59.
5
4
3
2
1
0
2
2
2
2
2
2
Tab. 11-60.
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