Fluke 943-227-15 - Manuals

943-227-15 Digital Preamplifier Operator Manual 1-6 1.4 Auxiliary Equipment Model Description None 1.5 Recommended Spare Parts Table 1-9. Recommended Spare Parts List for the Model 943-227-15 Digital Preamplifier Part Number Description Used On 977-200-15M Electrometer Circuit Board - 977-210-10M Se...

Theory of Operation Functional Description 2 2-1 Section 2 Theory of Operation 2.1 Functional Description The Model 943-227-15 Digital Preamplifier is an eight-decade, linear reading radiation. The preamplifier is sensitive to moisture and is mounted in a NEMA 4 sealed enclosure. The preamplifier bo...

Theory of Operation Communications 2 2-5 Victoreen Communications Loop – 943-227-15VL Communication between the detector preamplifier and the UDR or 960 controller may be performed via Victoreen loop, a serial asynchronous communications interface. The communication utilizes Victoreen protocol and i...

Operation Installation 3 3-1 Section 3 Operation 3.1 Installation Installation consists of mounting the equipment, making the required electrical connections, and entering the desired set points. CAUTION Remove all power prior to installing the Preamplifier. Preamplifier Mounting The preamplifier is...

Operation Configuration 3 3-4 3.3 Operation Operation of the 943-227-15 Digital Preamplifier is automatic and is controlled by the Model 942A-200C Digital Ratemeter or Model 960 Digital Process Radiation monitoring system. Once the power to the controlling device is turned on, the preamplifier begin...

943-227-15 Digital Preamplifier Operator Manual 3-5 For UDR systems, the address of the 942-200-80 Communications board in the UDR must be set 4040 and the baud rate must be set to 4800 baud. If the wiring of the Communications option board to the P2 connector is suspected, a loop test can be perfor...

Operation Configuration 3 3-6 3.5 Set Point Error Codes Failure of the 943-227-17 preamplifier may result in the following error codes being displayed on the controlling device: Code E0009 is normally used to identify a Loop communication failure. The error code may be due to a baud rate mismatch be...

Maintenance, Calibration and Troubleshooting Maintenance 4 4-1 Section 4 Maintenance, Calibration and Troubleshooting 4.1 Maintenance The 943-227-15 Digital Preamplifier is designed to operate for extended periods of time with no scheduled maintenance required. Operation may be verified by periodica...

943-227-15 Digital Preamplifier Operator Manual 4-2 4.3 Troubleshooting WARNING Extreme care must be used when troubleshooting a system that has power applied. All standard troubleshooting precautions apply. WARNING Once a problem has been located, remove all power before continuing with the repair....

Appendix Connector Designations A A-1 Appendix A Connector Designations A.1 CONNECTOR DESIGNATIONS, 943-227-15 and 943-227-15VL Table A-1. Field Electrical Connections, 943-227-15 and 943-227-15VL 943-227-15 943-27-15VL TB1- Description Connects To 977-210-10M Description Connects To 977-210-10M 1 X...

Appendix Applicable Drawings B B-1 Appendix B Applicable Drawings B.1 Applicable Drawings 943-227-15 and 943-227-15VL Drawing No. Description 943-227-15 Preamplifier Assembly, RS232 943-227-15VL Preamplifier Assembly, Victoreen Loop 943-227-15VL-M1 Preamplifier Assembly, Victoreen Loop, w/Conduit Hu...

Appendix Bill of Materials C C-1 Appendix C Bill of Materials C.1 Bill of Materials- 943-227-15 and 943-227-15VL Part Number Description 943-227-15 Preamplifier Assembly, RS232 943-227-15VL Preamplifier Assembly, Victoreen Loop 943-227-15VL-M1 Preamplifier Assembly, Victoreen Loop, w/Conduit Hubs 97...

Appendix Cable Termination Instructions D D-1 Appendix D Cable Termination Instructions D.1 Cable Termination Instructions The procedures and instructions provided in Appendix D are provided for reference in terminating the field cables to the Digital Preamplifier. A mating SHV connector is provided...

Appendix Modifications E E-1 Appendix E Modification Sheets, Engineering Instructions E.1 Modification Sheets, Engineering Instructions P/N Description 943-227-15VL-M1 Modification consists of replacing the standard 8in H x 10in W x 4in D Enclosure with a 8in H x 10in W x 6in D Enclosure and replaci...