OHM ELECTRIC COOL CABI OCA-H1000BC-AW2, Instruction Manual

Page: 47 / 88

47
6- Assignment of alarm output terminals
Once an alarm is detected, the alarm output contact changes over.
By setting the alarm output terminals, monitoring of many different operations is enabled. Each setting functions by
changing the parameters AS and Ao
☞
See page 43 .
Before supplying power to COOLCABI, both of terminals - and -3 are open. The time lag between power input
and the changeover of the terminals is .8 seconds.
Monitoring of alarm occurrence [AS
：
]
【
Default
】
The state of alarm output terminals changes by alarm occurrence regardless of whether cooling operation is
performed or not.
Monitoring of cooling operation and alarm occurrence [AS
：
]
The state of alarm output terminals changes responding to the state of cooling operation and alarm occurrence.
3 Identifying alarms that require power input and alarms that do not [AS
：
]
The state of alarm output terminals changes responding to the alarms E , E3, E4, E6, E7 S , S , S3 and S4
that are restored automatically or manually and the alarms E5, E8, S5, tE and SE that require power
reconnection.
4
Identifying alarms that continue cooling operation and alarms that do not
[AS
：
3]
The state of alarm output terminals changes responding to the alarms E , E4, S , S , S3 and S4 that continue
cooling operation and the alarms E3, E5, E6, E7, E8, S5, tE and SE that do not.
*Cooling operation means the state that the compressor is working and cool air is being output from the discharge port.
Assignment table of alarm output terminals [Ao: 0]
AS
Between terminals 1 and 2 Between terminals 2 and 3
Description COOLCABI Contacts Description COOLCABI Contacts
0
Contact changes over by
the state of an alarm Alarm OFF CLOSE Contact changes over by
the state of an alarm Alarm OFF OPEN
Alarm ON OPEN Alarm ON CLOSE
1
Contact changes over by
the state of an alarm Alarm OFF OPEN
Contact changes over by
the state of cooling
operation
Cooling operation
is stopped
OPEN
Alarm ON CLOSE In cooling operation CLOSE
2
Contact changes over by
the state of an alarm that
requires power
reconnection
E5, E8, S5, tE, SE
Alarm OFF
OPEN Contact changes over by
the state of an alarm that
does not require power
reconnection
E1, E3, E4
*
3
, E6,
E7, S1, S2, S3, S4
Alarm OFF
OPEN
E5, E8, S5, tE, SE
Alarm ON
CLOSE
E1, E3, E4 *
3
, E6,
E7, S1, S2, S3, S4
Alarm ON
CLOSE
3
Contact changes over by
the state of an alarm that
discontinues cooling
operation
E3, E5, E6, E7,
E8, S5, tE, SE
Alarm OFF
OPEN
Contact changes over by
the state of an alarm that
continues cooling
operation
E1, E4 *
3
S1, S2, S3, S4
Alarm OFF
OPEN
E3, E5, E6, E7,
E8, S5, tE, SE
Alarm ON
CLOSE
E1, E4 *
3
S1, S2, S3, S4
Alarm ON
CLOSE
Assignment table of alarm output terminals [Ao: 1]
AS
Between terminals 1 and 2 Between terminals 2 and 3
Description COOLCABI Contacts Description COOLCABI Contacts
0
Contact changes over by
the state of an alarm Alarm OFF OPEN Contact changes over by
the state of an alarm Alarm OFF CLOSE
Alarm ON CLOSE Alarm ON OPEN
1
Contact changes over by
the state of an alarm Alarm OFF CLOSE
Contact changes over by
the state of cooling
operation Cooling operation
is stopped
OPEN
Alarm ON OPEN In cooling operation CLOSE
2
Contact changes over by
the state of an alarm that
requires power
reconnection
E5, E8, S5, tE, SE
Alarm OFF
CLOSE
Contact changes over by
the state of an alarm that
does not require power
reconnection
E1, E3, E4 *
3
, E6,
E7, S1, S2, S3, S4
Alarm OFF
CLOSE
E5, E8, S5, tE, SE
Alarm ON
OPEN
E1, E3, E4 *
3
, E6,
E7, S1, S2, S3, S4
Alarm ON
OPEN
3
Contact changes over by
the state of an alarm that
discontinues cooling
operation
E3, E5, E6, E7,
E8, S5, tE, SE
Alarm OFF
CLOSE
Contact changes over by
the state of an alarm that
continues cooling
operation
E1, E4 *
3
S1, S2, S3, S4
Alarm OFF
CLOSE
E3, E5, E6, E7,
E8, S5, tE, SE
Alarm ON
OPEN
E1, E4
*
3
S1, S2, S3, S4
Alarm ON
OPEN
Remarks *3: Alarm E4 is not output when is set at
☞
See page 43