Anywire ASLINKER BL2LN87SB-02DS-CC20 System Produkthandbuch - Seite 12
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Seite drucken■Alarm information notification pattern setting
This parameter is used to output detected alarm information (I/O disconnection, I/O short-circuit, slave unit voltage drop, I/O power
supply drop) into the bit input information area. To set this parameter, select one of six patterns. Alarm information bits are two bits.
Contents of information vary depending on the notification pattern.
Priority of alarm events is fixed in the order of "slave unit voltage drop"→"I/O short-circuit"→"I/O disconnection"→"I/O power
supply drop." When several alarm events are simultaneously detected, an alarm event with higher priority is notified.
Variable
0
1
Notification by differentiating disconnected CH (When ALM bit is normal: OFF mode)
2
Notification by differentiating disconnected CH (When ALM bit is normal: ON mode)
Notification by differentiating disconnected CH and short-circuit/power supply drop (When ALM bit is normal: OFF mode)
3
4
Notification by differentiating disconnected CH and short-circuit/power supply drop (When ALM bit is normal: ON mode)
Notification by differentiating sensor cable error/voltage drop (When ALM bit is normal: OFF mode)
5
Notification by differentiating sensor cable error/voltage drop (When ALM bit is normal: ON mode)
6
◆ Notification by differentiating disconnected CH
At occurrence of I/O disconnection, the ALM bit corresponding to a disconnected channel is turned ON.
At occurrence of I/O short-circuit or voltage drop, both ALM0 and ALM1 are turned ON.
Normal
Disconnection of CH0
Disconnection of CH1
I/O short-circuit
Slave unit voltage drop
I/O power supply drop
◆ Notification by differentiating disconnected CH and short-circuit/power supply drop
At occurrence of I/O disconnection, the ALM bit corresponding to a disconnected channel is alternately turned ON and OFF for
0.25 seconds each.
At occurrence of I/O short-circuit, both ALM0 and ALM1 are turned ON. At occurrence of voltage drop, both ALM0 and ALM1 are
alternately turned ON and OFF for 1 second each.
Normal
Disconnection of CH0
Disconnection of CH1
I/O short-circuit
Slave unit voltage drop
I/O power supply drop
◆ Notification by differentiating sensor cable error/voltage drop
At occurrence of I/O disconnection or I/O short-circuit, ALM0 is turned ON.
At occurrence of voltage drop, ALM1 is turned ON.
Normal
Disconnection of CH0
Disconnection of CH1
I/O short-circuit
Slave unit voltage drop
I/O power supply drop
Key point
Alarm notification OFF
When ALM bit is normal: OFF mode
ALM bit 0
OFF
ON
-
ON
ON
ON
When ALM bit is normal: OFF mode
ALM bit 0
OFF
ON (0.25 sec.) ⇔ OFF (0.25 sec.)
-
ON
ON (1 sec.) ⇔ OFF (1 sec.)
ON (1 sec.) ⇔ OFF (1 sec.)
When ALM bit is normal: OFF mode
ALM bit 0
OFF
ON
ON
ON
-
-
When this unit is disconnected from the trunk line of the AnyWireASLINK system (at occurrence of
DP-DN disconnection), input signals and ALM bits are all turned OFF.
In the ALM bit normal-ON mode, ALM bits are ON in normal status, and at occurrence of DP-DN
disconnection, ALM bits are OFF. Thus, this function enables monitoring of trunk line disconnection.
-BL2LN87SB02D*CC20 12/20-
[Equipment parameter 13]
Description
When ALM bit is normal: ON mode
ALM bit 1
ALM bit 0
OFF
ON
-
OFF
ON
ON
OFF
ON
OFF
ON
OFF
ALM bit 1
OFF
-
OFF (0.25 sec.) ⇔ ON (0.25 sec.)
ON (0.25 sec.) ⇔ OFF (0.25 sec.)
ON
ON (1 sec.) ⇔ OFF (1 sec.)
OFF (1 sec.) ⇔ ON (1 sec.)
ON (1 sec.) ⇔ OFF (1 sec.)
OFF (1 sec.) ⇔ ON (1 sec.)
ALM bit 1
OFF
-
-
-
ON
ON
ALM bit 1
ON
-
-
OFF
OFF
OFF
OFF
When ALM bit is normal: ON mode
ALM bit 0
ON
-
OFF (0.25 sec.) ⇔ ON (0.25 sec.)
OFF
OFF (1 sec.) ⇔ ON (1 sec.)
OFF (1 sec.) ⇔ ON (1 sec.)
When ALM bit is normal: ON mode
ALM bit 0
ALM bit 1
ON
OFF
OFF
OFF
-
-
Factory setting: 0
ALM bit 1
ON
-
OFF
ON
-
-
-
OFF
OFF