Hitachi 65 - Table 5-21 List of External Control I;O Signals

5. SPECIFICATION
5-24
(2) List of external control I/O signals
Table 5-21 List of external control I/O signals (1/2)
Signal name
Connection diagram
Meaning
HJ-F7560-17
B contact
specifications
HJ-F7560-18
A contact
specifications
CPU side
Terminal
No.
User side
PSDOWN_1
PSDOWN_2
Activated when the OS is
shut down (standby or the
main power is off) or when
power is not supplied to the
equipment.
When the power is
off
Contact closed
(B contact)
When the power is
off
Contact open
(A contact)
When the power is
off
Contact closed
When the power is
off
Contact open
CPUSTOP_1
CPUSTOP_2
Activated when the OS,
application, device driver, or
the like cannot run properly
due to an abnormally high
system load or has crashed.
When the power is
off
Contact closed
(B contact)
When the power is
off
Contact open
(A contact)
When the CPU is
stopped
Contact closed
When the CPU is
stopped
Contact open
MCALL_1
MCALL_2
This is a maintenance request
signal. This contact is
activated when the
temperature, the fan status or
one side of mirrored
disks is abnormal.
When the power is
off
Contact open
(A contact)
When the power is
off
Contact open
(A contact)
When maintenance
is requested
Contact closed
When maintenance
is requested
Contact closed
GENDO0_1
GENDO0_2
These are general-purpose
contact output signals. A user
can assign a function to each
one of the contacts GENDO0
through GENDO2.
When the power is
off
Contact open
(A contact)
When the power is
off
Contact open
(A contact)
User-defined
User-defined
GENDO1_1
GENDO1_2
When the power is
off
Contact open
(A contact)
When the power is
off
Contact open
(A contact)
User-defined
User-defined
GENDO2_1
GENDO2_2
When the power is
off
Contact open
(A contact)
When the power is
off
Contact open
(A contact)
User-defined
User-defined
WDTTO_1
WDTTO_2
Activated when a timeout is
detected by the watchdog
timer. A timeout is also
detected when the OS is shut
down (standby or the main
power is off) or when power
is not supplied to the
equipment.
When the power is
off
Contact Closed
(B contact)
When the power is
off
Contact open
(A contact)
When watchdog
timer timeout
occurs or
when CPU power
is off
Contact closed
When watchdog
timer timeout
occurs or
when CPU power
is off
Contact open
Surge Sup
Fuse
～
Load
5
18
Surge Sup
Fuse
～
Load
23
9
Surge Sup
Fuse
～
Load
1
14
Surge Sup
Fuse
40 VDC 0.1A
Contact spec
～
Load
4
17
Surge Sup
Fuse
～
Load
2
15
Surge Sup
Fuse
～
Load
3
16
Surge Sup
Fuse
～
Load
24
10
40 VDC 0.1A
Contact spec
40 VDC 0.1A
Contact spec
40 VDC 0.1A
Contact spec
40 VDC 0.1A
Contact spec
40 VDC 0.1A
Contact spec
40 VDC 0.1A
Contact spec