Mitsubishi Electric QJ71LP21 Reference Manual page 62

3 SPECIFICATIONS
No. Name
The CPU status of each station is stored (including the host).
Only normal stations out of SW70 to 73 are effective.
0: normal (including the maximum station No. or later and reserved
1
stations)
SW0088
1: minor error
•
Operation
SW0089
status of each
• SW0088
station CPU (2)
SW008A
SW0089
•
SW008A
SW008B
SW008B
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POINT
For the specifications of Q38RB/Q68RB Redundant power supply base unit and
Q64RP redundant power supply module, refer to QCPU Module User's Manual
(Hardware Design, Maintenance and Inspection).
(a) Modules needed to configure a redundant power supply in a remote I/O
station
To configure a redundant power supply in a remote I/O station, use the
modules shown below.
1) Main base unit: Q38RB
2) Extension base unit: Q68RB
3) Power supply module: Q64RP
4) Remote I/O module: QJ72LP25-25, QJ72LP25G, QJ72LP25GE, and
(b) Link special register used for configuring a redundant power supply
The remote master station can confirm the status of the power supplies of
remote I/O stations using the link special registers shown below.
If either of the power supplies stops supplying power, the remote I/O station
detects error code 1510 "SINGLE PS DOWN" or 1520 "SINGLE PS
ERROR" (moderate error).
Description
b15 b14 b13 b12 to b4
16 15 14 13 to 5
32 31 30 29 to 21
48 47 46 45 to 37
64 63 62 61 to 53
In the table, 1 to 64 indicate station No.
1: Effective only when SB0047 is OFF. When this signal is turned ON (error), the data just before ON are held.
The link special register stores minor errors caused by the factors below in
addition to power supply disconnection.
• When an error specified as "Continue" in the "operation mode under error
condition" in the PC RAS settings of parameters (fuse blown or I/O
module verification error) occurs
QJ72BR15 (function version D)
Control station Normal station
Optical Coaxial Optical Coaxial Optical Coaxial Optical Coaxial
b3 b2 b1 b0
4 3 2 1
20 19 18 17
34
36 35 33
52 51 50 49
MELSEC-Q
Availability
Remote Remote I/O
master station station
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