INOR IPAQ C520, Дополнительное руководство по инструкции

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PERIODIC CHECKS / PROOF TESTS
6
13
IPAQ C520/R520
www.inor.com 02/2019 - 86B520S001 - AD 520 SIL R1.4 en
Proof test check points
• Repeat configurations points 7...8.2 of the proof test configuration and change to down scale
error value (
≤
3.6 mA).
• Repeat all check points (to be sure the transmitter is not stuck in some of conditions).
8 Select device information tab. Specify a mounting date in tag field.
8.1 Describe the proof test in the description field and date of the test.
8.2 Specify any other information in the message field.
Table 6-1: Proof test configuration for the SIL transmitters
Step Description
Step Description Yes No Comments
1 Connect the selected sensors on Ch 1 and Ch 2 and
check for the output range values.
2 Simulate sensor break for each single wire and check
the output value (
≥
21 mA).
3 Simulate sensor short between 1...5 terminals and
check the output value (
≥
21 mA).
4 Simulate sensor break or sensor short (one error at a
time) for sensor connected on Ch 1. Check if the
transmitter will switch automatically over to
measuring on Ch 2.
Table 6-2: Proof test check points