Emerson MODBUS 485 Manuel D’Utilisation

Auto Restart Delay

If power is lost, the control will delay this amount of time after power is 

restored before restarting the unit.

Calculated Next Maintenance Month

Calculated month of the next scheduled maintenance. Used in conjunction 

with [Calculated Next Maintenance Year].

Calculated Next Maintenance Year

Calculated year of the next scheduled maintenance. Used in conjunction with 

[Calculated Next Maintenance Month].

Chilled Water Cntrl Valve Pos - Event 

Control

Enable/disable the activation of the [Chilled Water Control Valve Position] 

event. If set to 'disabled', the event will not be annunciated. This implies that 

the event will not be placed in any active event list or in any event history list.

Chilled Water Cntrl Valve Pos - Event Type

The event type for the [Chilled Water Control Valve Position] event.

Chilled Water Control Valve Position

Chilled water valve out of position. Chilled water control valve position does 

not match expected value.

Circuit 1 Low Suction Pressure - Event 

Control

Enable/disable the activation of the [Circuit 1 Low Suction Pressure] event.  If 

set to 'disabled', the event will not be annunciated.  This implies that the event 

will not be placed in any active event list or in any event history list.

Circuit 1 Low Suction Pressure - Event 

Type

The event type for the [Circuit 1 Low Suction Pressure] event.

Circuit 1 Low Suction Pressure

Compressor circuit 1 low suction pressure.

Circuit 2 Low Suction Pressure - Event 

Control

Enable/disable the activation of the [Circuit 2 Low Suction Pressure] event.  If 

set to 'disabled', the event will not be annunciated.  This implies that the event 

will not be placed in any active event list or in any event history list.

Circuit 2 Low Suction Pressure - Event 

Type

The event type for the [Circuit 2 Low Suction Pressure] event.

Circuit 2 Low Suction Pressure

Compressor circuit 2 low suction pressure.

Cold Aisle Over Temp Threshold

Upper threshold value used in the [Cold Aisle Temp Out of Range] event.

Cold Aisle Temp Out of Range

The air temperature in the cold aisle is either above [Cold Aisle Over Temp 

Threshold] or below [Cold Aisle Under Temp Threshold].

Cold Aisle Under Temp Threshold

Lower threshold value used in the [Cold Aisle Temp Out of Range] event.

Communication Status

Communication status of remote device.

Compressor 1A High Head Pressure - 

Event Control

Enable/disable the activation of the [Compressor 1A High Head Pressure] 

event. If set to 'disabled', the event will not be annunciated. This implies that 

the event will not be placed in any active event list or in any event history list.

Compressor 1A High Head Pressure - 

Event Type

The event type for the [Compressor 1A High Head Pressure] event.

Compressor 1A High Head Pressure

Compressor 1A high head pressure.

Compressor 1A Short Cycle - Event 

Control

Enable/disable the activation of the [Compressor 1A Short Cycle] event. If set 

to 'disabled', the event will not be annunciated. This implies that the event will 

not be placed in any active event list or in any event history list.

Compressor 1A Short Cycle - Event Type

The event type for the [Compressor 1A Short Cycle] event.

Compressor 1A Short Cycle

Compressor 1A short cycle. A short cycle is defined as turning on and off a 

number of times over a set time period.

Compressor 1A State

Compressor 1A operational state.

Compressor 1B High Head Pressure - 

Event Control

Enable/disable the activation of the [Compressor 1B High Head Pressure] 

event. If set to 'disabled', the event will not be annunciated. This implies that 

the event will not be placed in any active event list or in any event history list.

Compressor 1B High Head Pressure - 

Event Type

The event type for the [Compressor 1B High Head Pressure] event.

Compressor 1B High Head Pressure

Compressor 1B high head pressure.

Compressor 1B Short Cycle - Event 

Control

Enable/disable the activation of the [Compressor 1B Short Cycle] event. If set 

to 'disabled', the event will not be annunciated. This implies that the event will 

not be placed in any active event list or in any event history list.