Trane LonWorks TR200, Инструкция по эксплуатации

Страница: 47 / 71

Trane FC Control Profile
FC Control Profile
Control Word According to FC Profile
(Par. 8-10 set to
FC Profile
)
Bit Bit value=0 Bit value=1
00 Reference value
External selec-
tion lsb
01 Reference value
External selec-
tion msb
02 DC brake Ramp
03 Coasting No coasting
04 Quick stop Ramp
05 Hold output freq. Use ramp
06 Ramp stop Start
07 No function Reset
08 No function Jog
09 Ramp 1 Ramp 2
10 Data invalid Data valid
11 No function Relay 01 active
12 No function Relay 04 active
13 Parameter set-up Selection lsb
14 Parameter set-up Selection msb
15 No function Reverse
Explanation of the Control Bits
Bits 00 and 01:
Bits 00 and 01 are used to choose between the four
reference values, which are pre-programmed in par.
3-10
Preset Reference in accordance with the follow-
ing table:
Programmed ref.
value
Parameter
Bit
01
Bit
00
1 3-10 [0] 0 0
2 3-10 [1] 0 1
3 3-10 [2] 1 0
4 3-10 [3] 1 1
In par.8-56 Preset Reference Select , a selection is
made to define how Bit 00/01 gates with the corre-
sponding function on the digital inputs.
Bit 02, DC brake:
Bit 02 set to [0] leads to DC braking and stop of the
motor. Braking current and duration are set in par.
2-01
DC Brake Current and par.2-02 DC Braking
Time .
Bit 02 set to [1] leads to ramping.
Bit 03, Coasting:
Bit 03 set to [0] causes the adjustable frequency drive
to immediately release of the motor (the output tran-
sistors are "shut off") so that it coasts to a standstill.
Bit 03 set to [1] enables the adjustable frequency drive
to start the motor if other starting conditions have
been fulfilled.
In par.8-50 Coasting Select , a selection is made to de-
fine how Bit 03 gates with the corresponding function
on a digital input.
Bit 04, Quick Stop:
Bit 04 set to [0] causes a stop in which the motor
speed is ramped down to stop via par.3-81
Quick Stop
Ramp Time .
How to Control the Adjustable Frequency
Drive
6-2 TR200 LonWorks