Configure The Aux I/O Port - Hach AS950 Operation Manual

Option Description
San Dimas Enter the flume width.
Trapezoidal Enter the flume size. Options: 12" 45°, 2" 45°, 8" 60°, Large 60°, Small 60° or XLarge 60°.
Option
Cipolletti
Compound V-Notch
Contracted Rectangular
Non-Contracted Rectangular Enter the crest length.
Thel-Mar
V-Notch

Configure the AUX I/O port

Configure the AUX I/O port if the AUX I/O port is connected to a Hach flow meter or third-party
device.
Note: If the optional IO9000 module is connected to the AUX I/O port, refer to the IO9000 module documentation to
configure the AUX I/O port.
1. Push MENU.
2. Select Hardware Setup>AUX and I/O Port.
3. Make sure that Type is set to AUX.
4. Select an option.
Option Description
Mode Selects the AUX I/O port mode of operation. Sample Event—Sends sample information to a
Hach flow meter when a sample is collected: time stamp for the sample, success or fail and
the bottle number. When there are two sampling programs, the sample information is sent
when a sample is collected by either sampling program. Program Complete—Sends a signal
when the sampling program is complete. Refer to the auxiliary connector information in the
AS950 sampler documentation. When there are two sampling programs, a signal is sent when
both sampling programs are complete.
Flow Selects the type of flow input signal that is supplied by the flow meter to the AUX I/O port.
Reading Options: AUX-Pulse or AUX-mA (4–20 mA).
5. When Flow Reading is set to AUX-Pulse, configure the sampler pacing setting of the external flow
meter. The sampler pacing setting identifies the flow volume that agrees with one pulse (one
count) from the flow meter. Refer to the flow meter documentation.
6. When Flow Reading is set to AUX-mA, select an option.
Note: To set the AUX I/O port settings and the analog input calibration to the factory defaults, select Restore
Defaults.
Option Description
Flow Unit Selects the flow units that show on the display. Options: cubic meters (m
minute or second or liters (L) per day, hour, minute or second.
10 English
Table 9 Flume options (continued)
Table 10 Weir options
Description
Enter the crest length.
Enter the angle of notch in degrees (22.5 to 120°), notch height, crest width and
contracted or non-contracted.
Enter the crest length.
Enter the size. Options: 6, 8, 10, 12 or 15 inches.
Enter the angle of notch in degrees (22.5 to 120°).
3
) per day, hour,