Martel Electronics DMC1400 - Manual (Page 20)

18
4.1-1 Stepping the current output
To use the 25% function with mA output, follow these steps:
1. Select the lower display from the Main Menu, and choose
mA.
2. Use the 25% key to cycle between 4 mA and 20 mA in 25 %
intervals.
4.2 Using the Automatic Output Functions
There are two automatic output functions, step and ramp. The
selected function can be turned on and off using the Output Home
Menu. The Automatic Output Function parameters can be set in the
Auto Function Menu.
Parameters include:
1. Which auto function will be available (Step or Ramp).
2. The Auto Function Time, time between steps for step and time to
get from over one limit to the next for ramp.
The limits for the ramp and step functions are set to the 0% and
100% values. See Section 4.1 Setting 0% and 100% Output
Parameters. Steps are in 25% increments from the 0% value to the
100% value.
4.3 Sourcing mA
To source a current, follow these steps:
1. From the Main Menu select lower display [LOWER]. Choose
[mA] from the primary parameters.
2. Switch to input/output control, and select output [OUT].
3. Connect the leads to the mA terminals, as shown in Figure 10.
4. Enter the desired current using the keypad.
Figure 10. Connections for Sourcing Current