APC AXFA11G Multiple ranges setting, Multiple Ranges Setting Automatic multiple ranges switching

[F15: SI1/2 Active Mode] Setting of the active mode for status input

This parameter sets the active mode for the terminals SI1 and SI2. Active modes cannot be set individually for these two terminals.

Setting	Function
Short Active	When the status input is set to "Short", occurrence
	of the selected event will be recognized.
Open Active	When the status input is set to "Open", occurrence
	of the selected event will be recognized.
	T0628.EPS

Example: When the “0% signal lock” function is selected for SI1 or SI2

Short

Open

Signal lock status	Signal lock status
Short Active	Open Active
	F0606.EPS

NOTE

Multiple ranges setting

Parameters from F30 to F41 are used with the automatic multiple ranges and the multiple ranges switching via external status input. The followings will describe the setting method for each range.

The multiple ranges use the following parameters:

[B23: Flow Span ] Setting of the flow rate span (Setting of the forward No.1 range)

[F30: Forward Span 2] Setting of the forward No. 2 range

[F31: Forward Span 3] Setting of the forward No. 3 range

[F32: Forward Span 4] Setting of the forward No. 4 range

[F33: Reverse Span 1] Setting of the reverse No. 1 range

[F34: Reverse Span 2] Setting of the reverse No. 2 range

[F35: Reverse Span 3] Setting of the reverse No. 3 range

[F36: Reverse Span 4] Setting of the reverse No. 4 range

6. PARAMETER DESCRIPTION

[F40: Auto Range Hys] Setting of the automatic multiple range hysteresis width

[F41: Bi Direction Hys] Setting of the forward/ reverse flow measurement hysteresis width

Multiple Ranges Setting 1:

Automatic multiple ranges switching

￿When the instantaneous flow rate exceeds 100% of the range, transition to the next range (up to four ranges) is carried out automatically. Furthermore, when the flow is in reverse, the reverse range can also be automatically selected.

￿Range switching can be confirmed according to the status of the SO1 and SO2 status output terminals. Refer to Table 6.4.1: Status Output for Automatic Multiple Ranges Switching for details of status output conditions for each range.

Status Output for Automatic Multiple Ranges Switching

Operations are performed in accordance with the following table when the active mode has been set to “Closed (On) Act” using F14: SO1/2 Active Mode. Operating patterns are reversed when the active mode has been set to “Open (Off) Act”.

Table 6.4.1 Status Output for Automatic Multiple Ranges

Switching

Parameter setting		Function		Status output
F10	F11			SO1	SO2
No Function	No Function	Forward single range		–	–
Fwd/Rev	No Function	Auto forward/reverse	Forward	Open	–
Ranges		1 range (SO1)	Reverse	Closed	–
No Function	Fwd/Rev	Auto forward/reverse	Forward	–	Open
	Ranges	1 range (SO2)	Reverse	–	Closed
Auto	No Function	Auto forward	Forward 1 range	Open	–
2 Ranges		2 ranges (SO1)	Forward 2 range	Closed	–
No Function	Auto	Auto forward	Forward 1 range	–	Open
	2 Ranges	2 ranges (SO2)	Forward 2 range	–	Closed
Auto	Auto	Auto forward	Forward 1 range	Open	Open
			Forward 2 range	Closed	Open
3 Ranges	3 Ranges	3 ranges
			Forward 3 range	Open	Closed
		Auto forward	Forward 1 range	Open	Open
Auto	Auto		Forward 2 range	Closed	Open
		4 ranges
4 Ranges	4 Ranges		Forward 3 range	Open	Closed
			Forward 4 range	Closed	Closed
			Forward 1 range	Open	Open
Fwd/Rev	Auto	Auto forward/reverse Forward 2 range		Open	Closed
Ranges	2 Ranges	2 ranges	Reverse 1 range	Closed	Open
			Reverse 2 range	Closed	Closed
			Forward 1 range	Open	Open
Auto	Fwd/Rev	Auto forward/reverse	Forward 2 range	Closed	Open
			Reverse 1 range
2 Ranges	Ranges	2 ranges		Open	Closed
			Reverse 2 range	Closed	Closed

*: "No Function" is the default value. Only SO1 or SO2 terminals are used for single or dual ranges; accordingly, the unused terminal remains at the default value (i.e., No Function) and can therefore be used for other functions.

T0629.EPS

6-22 IM 01E20C01-01E