I/O data
5-2
5.1.2. Status inputs
Module name
ASLINK status input
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Status input 4 words
K
-
J
H
G
F
-
E
-
-
-
D
C
-
B
A
Number of connected units
Latest error code
Latest error occurrence ID
Signal
ON condition
OFF condition
A Unit READY
Power on
Power shutdown
B DP/DN short circuit
error
Upon detection of a short circuit on
DP or DN on the ASLINK system
Error flag clear (M) OFF
ON
C 24 V power supply
low voltage error
Upon detection of low voltage on the
24V DC power supply for the ASLINK
system
Error flag clear (M) OFF
ON
D DP-DN disconnection
error
Upon detection of DP-DN
disconnection
Error flag clear (M) OFF
ON
E Slave unit alarm
signal
Upon detection of an error for which
an alarm is issued
Error flag clear (M) OFF
ON
F Slave unit access
error flag
Upon detection of an error in a slave
unit
’s response in the parameter area
Error flag clear (M) OFF
ON
G Parameter write in
progress flag
Parameter write command (P) OFF
ON
If the parameter write command
(P) was OFF after a parameter
write operation
H Automatic address
recognition flag
During the process of automatic
address recognition
Automatic address recognition
not in operation
J Slave unit
replacement flag
During execution of the single unit
simplified replacement function
At completion of the single unit
simplified replacement function
K Adjustment mode flag At shift to the adjustment mode
* When the small display unit
(optional) is connected, setting the
unit in the adjustment mode
activates the adjustment mode.
At reset of the adjustment mode
* When the small display unit is
disconnected, or when the
small display unit is changed
from the adjustment mode to
the normal mode, the
adjustment mode is reset.
The ID format is as shown below.
b15
••••b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
–
I/O type
–
Address (0x00
–0xFE)
I/O type:
“00” means an output slave unit
“01” means an input or input/output mixed unit
ID
Address
0x000
–0x0FE
Output slave unit address 0
–254
0x200
–0x2FE
Input or input/output mixed slave unit address 0
–254
E.g.) Input slave unit address #30 = ID 0x21E
Output slave unit address #60 = ID 0x03C
Summary of Contents for B2G78-PN1
Page 34: ...I O data 5 8 Input output data...