发明名称 |
APPARATUS, METHOD AND PROGRAM TO TEST SAFETY INSTRUMENTED SYSTEM SOLENOIDS |
摘要 |
<p>Example methods, apparatus and articles of manufacture to test safety instrumented system (SIS) solenoids are disclosed. A disclosed valve position control apparatus (100) includes a relay (165) to control a state of a solenoid and a valve positioner (105) including a transmitter (225) to transmit a solenoid test signal to the relay, electrical contacts to communicatively couple the solenoid test signal to the relay via one or more wires (175), and a solenoid tester (220) to generate the solenoid test signal and to monitor a response of the solenoid when the solenoid test signal is transmitted to the relay to verify an operation of the solenoid.</p> |
申请公布号 |
WO2011081728(A1) |
申请公布日期 |
2011.07.07 |
申请号 |
WO2010US56504 |
申请日期 |
2010.11.12 |
申请人 |
FISHER CONTROLS INTERNATIONAL LLC;SNOWBARGER, JIMMIE, L. |
发明人 |
SNOWBARGER, JIMMIE, L. |
分类号 |
F16K37/00 |
主分类号 |
F16K37/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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