Register
Meaning
Access right
Storage
105
Lower limitation of work area:
Operating parameter Vmin (q
vmin
) [%]
Reference: q
vnom
(see adjustment sticker)
Resolution: 0 – 10000
Vmin: 0.00 – 100.00%
Note:
Modbus registers 105 and 120 influence each other mutually;
the last setpoint value default setting is valid.
R, W
EEPROM
106
Upper limitation of work area:
Operating parameter Vmax (q
vmax
) [%]
Reference: q
vnom
Resolution: 0 – 10000 Vmax: 0.00 – 100.00%
Note:
Modbus registers 106 and 121 influence each other mutually;
the last setpoint value default setting is valid.
R, W
EEPROM
108
Behaviour on bus timeout
0 = Control of the last setpoint value
1 = OPEN position
2 = CLOSED position, shut-off CLOSED
3 = q
vmin
5 = q
vmax
R, W
EEPROM
109
Definition bus timeout [s]
R, W
EEPROM
120
Lower determination of work area:
Operating parameter q
vmin
in the volume flow unit [m³/h], [l/ s], [cfm]
according to the setting in register 201
Note:
Modbus registers 120 and 105 influence each other mutually;
the last setpoint value default setting is valid.
R, W
EEPROM
121
Upper determination of work area:
Operating parameter q
vmax
in the volume flow unit [m³/h], [l/s], [cfm]
according to the setting in register 201
Note:
Modbus registers 121 and 106 influence each other mutually;
the last setpoint value default setting is valid.
R, W
EEPROM
122
Interface definition (interface mode); for assignment see separate
table
R, W
EEPROM
130
Modbus address (participant address), factory setting: Modbus
address 1
R, W
EEPROM
201
Volume flow unit
0 = l/s
1 = m³/h
6 = cfm
R, W
EEPROM
Commissioning and operation
Configuring the Modbus interface
Control component Compact XM0 • XS0 for VAV terminal unit TVE
31