Modbus Status Menu
The Modbus Status Menu provides diagnostic information
to qualied service personnel. The items listed provide the
status of the Modbus communications with the various devices
controlled by the internal Modbus network
Table 49: Modbus Status Menu
SF MB Status is a status only item which indicates the status
of the Modbus communications between the main controller
and the supply fan motor.
RFEF MB Status is a status only item which indicates the
status of the Modbus communications between the main
controller and the return/exhaust fan motor.
ER MB Status is a status only s item which indicates the
status of the Modbus communications between the main
controller and the energy recover wheel variable speed supply
air fan.
D3 MB Status is a status only item which indicates the status
of the Modbus communications between the main controller
and the D3 gateway interface board.
MB Resistance is an adjustable item used turn the main
controller’s internal Modbus termination resistor.
ECM Cong is an adjustable item used to set or change the
internal Modbus address in the supply and exhaust fan motors.
D3 Status Menu
The D3 Status menu is provided for viewing the status of an
interface with the unit via a D3 gateway. Refer to IM 1133 –
DIII-Net Communication Gateway for detailed information.
Table 50: D3 Status Menu
Item Display
Name
Default
Setting
Range
Password
Level
SF MB Status= — Fault/OK 2
RFEF MB Status= — Fault/OK 2
ER MB Status= — Fault/OK 2
IFB MB Status= — Fault/OK 2
D3 MB Status= — Fault/OK 2
MB Resistance= Yes Yes/No 2
ECM Cong= Done
Set Add 1
Set Add 2
Set AICtl
2
Item Display
Name
Default
Setting
Range
Password
Level
D3 Comm Sts=
—
OK
2
Error
D3 Addr Err=
—
OK
2
Error
D3 On/Off=
—
On
2
Off
D3 Mode=
—
Auto
2
Cooling
Heating
Fan
D3 Clg Spt=
— 0–100ºF 2
D3 Htg Spt=
— 0–120ºF 2
D3 SAF Spd=
—
NA
2
Low
Med
High
D3 Min Load=
— 0–100% 2
D3 Max Load=
— 0–100% 2
D3 Eco Ena=
—
Enabled
2
Disabled
OA Enthalpy=
— 0–86 BTU/lb 2
OA Hum
Ratio= g/kg
— 0–30 g/Kg 2
D3 SWVers=
— XXXXXXXXXX 2
OAAdd1–16=
— XXXXXXXX 2
OAAdd17–32=
— XXXXXXXX 2
OAAdd33–49=
— XXXXXXXX 2
OAAdd50–64=
— XXXXXXXX 2
SetOAAddr=
0 0–64 2
CurrOAAddr=
— 0–64 2
CurrOAAmps=
— 0–200A 2
CurrOARLA=
— 0–200A 2
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