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Getting Started Teledyne API Model T360/T360M Operation Manual
40
3.5.5.1. CONVERTING CURRENT LOOP ANALOG OUTPUTS TO STANDARD
VOLTAGE OUTPUTS
NOTE
Servicing or handling of circuit components requires electrostatic discharge protection, i.e. ESD
grounding straps, mats and containers. Failure to use ESD protection when working with
electronic assemblies will void the instrument warranty.
See Section 9 for more information on preventing ESD damage.
To convert an output configured for current loop operation to the standard 0 to 5
VDC output operation:
1. Turn off power to the analyzer.
2. If a recording device was connected to the output being modified,
disconnect it.
3. Remove the top cover
Remove the set screw located in the top, center of the rear panel
Remove the screws fastening the top cover to the unit (four per side).
Slide the cover back and lift straight up .
4. Disconnect the current loop option PCA from the appropriate connector on
the motherboard (see Figure 3-8).
5. Place a shunt
between the leftmost two pins of the connector (see
Figure 3-8).
6. Reatta
ch the top case to the analyzer.
7. The analyzer is now ready to have a voltage-sensing, recording device
attached to that output
3.5.6. Connecting the Control Inputs
If you wish to use the analyzer to remotely activate the zero and span calibration
modes, several digital control inputs are provided through a 10-pin connector
labeled CONTROL IN on the analyzer’s rear panel.
There are two methods for energizing the control inputs. The internal +5V
available from the pin labeled “+” is the most convenient method. However, if
full isolation is required, an external 5 VDC power supply should be used.
07272B DCN6552