Control keypad 79(96) – Honeywell NXL User Manual
Page 79
✁
✂
✄
☎
✆
✄
✝
✝
✁
✂
✄
☎
✆
✄
✝
✝
✁
✂
✄
☎
✆
✄
✝
✝
✁
✂
✄
☎
✆
✄
✝
✝
Control Keypad
79(96)
7
Status Word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
F
Z
AREF
W
FLT
DIR
RUN RDY
Information about the status of the device and messages is indicated in the Status word. The Status
word is composed of 16 bits the meanings of which are described in the table below:
Actual speed
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MSB
LSB
This is actual speed of the frequency converter. The scaling is –10000...10000. In the application,
the value is scaled in percentage of the frequency area between set minimum and maximum
frequency.
Control word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
RST
DIR
RUN
In Honeywell applications, the three first bits of the control word are used to control the frequency
converter. However, you can customise the content of the control word for your own applications
because the control word is sent to the frequency converter as such.
Speed reference
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MSB
LSB
This is the Reference 1 to the frequency converter. Used normally as Speed reference. The allowed
scaling is –10000...10000. In the application, the value is scaled in percentage of the frequency area
between the set minimum and maximum frequencies.
Bit definitions
Description
Bit
Value = 0
Value = 1
RUN
Stop
Run
DIR
Clockwise
Counter clockwise
RST
Rising edge of this bit will reset active fault
RDY
Drive not ready
Drive ready
FLT
No fault
Fault active
W
No warning
Warning active
AREF
Ramping
Speed reference reached
Z
-
Drive is running at zero speed
F
-
Flux Ready