Emerson Process Management 1500 manual 1 Output requirements and assignments, 4 Discrete IO panel

Configuring the Filling and Dosing Application

•To configure Channel A as a three-level output, use the Analog Output panel and:

-Set Primary Variable to Primary Valve.

-Ensure that Enable 3 Position Valve is enabled.

-Specify the Setpoint, which is the mA output level that sets the valve to closed partial.

-Specify the Closed Value, which is the mA output level that sets the valve to closed full. This value must be between 0 and 4 mA, and should be set according to the requirements of the valve.

Table 7-1Output requirements and assignments

Fill type	Output requirements	Options	Assignment
One-stage discrete	One discrete output	Channel A	Primary valve
		Channel B	Primary valve
One-stage discrete	Two discrete outputs	Channel A	Primary valve; 3-position valve disabled
with purge cycle		Channel C	Secondary (purge) valve
		Channel B	Primary valve
		Channel A	Secondary (purge) valve with 3-position valve
			disabled
		Channel B	Primary valve
		Channel C	Secondary(purge) valve
Two-stage discrete	Two discrete outputs	Channel A	Primary valve with 3-position valve disabled
		Channel C	Secondary valve
		Channel B	Primary valve
		Channel A	Secondary valve with 3-position valve disabled
		Channel B	Primary valve
		Channel C	Secondary valve
Three-position analog	One three-level output	Channel A	Primary valve with 3-position valve enabled
Three-position analog	One three-level output and	Channel A	Primary valve with 3-position valve enabled
with purge cycle	one discrete output	Channel C	Secondary (purge) valve

Figure 7-4Discrete IO panel

58 Micro Motion® Model 1500 Transmitters with the Filling and Dosing Application