Emerson Process Management Series 9110 Preliminary Calibration Check, 2 - Analog Test Setup

Models: CI-9110 9110-00A Series 9110

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5.6 PRELIMINARY CALIBRATION CHECK

5.6 PRELIMINARY CALIBRATION CHECK

Once the test setup of Figure 5-2 or 5-3 has been completed, the following conditions must be established.

1.For all models, set switches SW1 (1-5) to OPEN for continuous operation, and SW2-6 to OPEN to disable Guard circuit. For Analog models only, set SW2-8 to OPEN for 1 - 5 V input.

2.Determine the output range of the Regulator (3-15, 3-27 or 6-30 psi). See if it is possible to scan the complete range of the regulator by adjusting the input test circuit and observing the pressure test gauge. If range of travel is not complete, mechanical limits are less than output span or:

0% < Limits < 100%

At this time, position limits to following settings (see topic 5.3):

Lo Limit = -10% (approximately) Hi Limit = +110% (approximately)

If full range cannot be obtained even with above limits, other problems may be indicated. Refer to topic 5.2 for troubleshooting hints before proceeding.

Figure 5-2 - Analog Test Setup

3.Set input test circuit for 0.995 V reading on DMM #1. DMM #2 should read 4 mA, ±.02 mA Test gauge should read minimum range value (3 or 6 psi), ±5.0%.

4.Press input test circuit push-buttons for 4.995 V, ±0.004 V reading on DMM #1. Reading on DMM #2 should be 20 mA, ±.02 mA. Test gauge should read maximum output range value (15, 27 or 30 psi), ±5.0%.

CI-9110

5-5

Service

Page 45
Image 45
Emerson Process Management Series 9110, CI-9110, 9110-00A Preliminary Calibration Check, 2 - Analog Test Setup