ABB OMD800 Installation And Operating Instruction page 41

A U TO M AT I C C O N T R O L U N I T, O M D 8 0 0
Digital Outputs 6-10 and 12, Contact status
Function
No function
Emergency/alarm
Line 1 status
Line 2 status
Change-over switch alarm
Manual mode
Disconnect secondary loads
Pre-transfer signal
I Status
O Status
II Status
Table 7.7 Digital Outputs 6-10 and 12, contact status
Digital outputs 6-10 and 12, Function Disconnect secondary loads can be only controlled via Modbus communication interface.
1)
This way user can have different loads which can be controlled independently via Modbus communication interface.
Digital Output 6
Function
Contact Type
Figure 7.28 Digital Output 6 - Function, Emergency/Alarm is the default
Digital Output 6
Function
Contact Type
Figure 7.29 Digital Output 6 – Contact Type, NO is the default
Function status
Digital output disabled
Emergency/alarm (ON)
Emergency/alarm (OFF)
Line 1 status (OK)
Line 1 status (NOT OK)
Line 2 status (OK)
Line 2 status (NOT OK)
Change-over switch alarm
(ON)
Change-over switch alarm
(OFF)
Manual mode (ON)
Manual mode (OFF)
Disconnect secondary loads
1)
(ON)
Disconnect secondary loads
(OFF)
Pre-transfer sign (ON)
Pre-transfer signal (OFF)
I Status (ON)
I Status (OFF)
O Status (ON)
O Status (OFF)
II Status (ON)
II Status (OFF)
1/2
DO6 Function
Emergency/Alarm
Cancel
2/2 DO6 Contact Type
Cancel
Contact type
NO
Closed
Open
Open
Closed
Open
Closed
Closed
Open
Closed
Open
Closed
Open
Closed
Open
Closed
Open
Closed
Open
Closed
Open
OK Edit
NO
OK Edit
Contact type
NC
Contact status
Open
Closed
Closed
Open
Closed
Open
Open
Closed
Open
Closed
Open
Closed
Open
Closed
Open
Closed
Open
Closed
Open
Closed
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