Fluke 875 Ancillary Wiring, Computer & Recorder, All Alarms on P2 Normal Operation Shelf State

Page 18

Victoreen 875

Operators Manual

Thickness	0.015 inch (0.38 mm) nominal
Outer Diameter	0.217 inch (5.51 mm) nominal
Impedance	75 ohms nominal
Capacitance	22 pf/ft nominal

Ancillary Wiring

Ancillary wiring for computer, recorder, power and alarm contacts are installed according to drawing GEL 875-1 and Table 2-1 which indicates connector pin designations.

Table 2-1.	Installation

	Computer & Recorder
	Function	J3
	Ground	D
	Ground	F
	Computer	E
	Recorder	C

	All Alarms on P2	Normal Operation *	Shelf State
Alert Alarm I	N	NO	NC
	P	C	C
	R	NC	NO
Alert Alarm II	D	NO	NC
	E	C	C
	F	NC	NO
High Alarm I	S	NO	NC
	T	C	C
	U	NC	NO
High Alarm II	G	NO	NC
	H	C	C
	J	NC	NO
Fail Alarm I	K	NO	NC
	L	C	C
	M	NC	NO
Fail Alarm II	A	NO	NC
	B	C	C
	C	NC	NO

Power Connections (P1)

Line	A
Neutral	B
Chassis Ground	C

*Relays are Fail Safe, i.e. energized for normal operation. Relays de-energize during an alarm condition. NO = Normally open

C = Common

NC = Normally closed

2-4

Image 18

Contents Victoreen High Range Containment MonitorFluke Biomedical Table of Contents Calibration and Test Procedures General Description SpecificationsIntroduction Containment MonitorTemperature Operating 40 to 120F 4 to 49C Readout Module 876A-1Equipment Overview High-Range Containment Monitor DetectorRack Chassis Flexible Tubing 878-12-30TAB Pull Box AssemblyCables/Connectors/Panel Optional EquipmentHigh-Range Containment Monitor Typical Energy Response Curve Detector Typical Linearity Detector High-Range Detector, Recommended Installation Receiving InspectionProcedures, Warnings, and Cautions StorageBlank Readout Module InstallationInstallation Pull BoxSpecifications for Cable Cable SealingSpecifications for Cable Cable and Wiring InstallationDetector Test After Installation Detector Cable Inside ContainmentPower Connections P1 Ancillary WiringAll Alarms on P2 Normal Operation Shelf State Computer & RecorderOperation OperationVictoreen Function Description Functional DescriptionReadout Module 876A-1 Negative Power Supply High Voltage Power Supply Normal Operation non-ECS Test FAIL/SAFE Comparison Circuit on Power Supply BoardOperation of High Voltage Supply During ECS Test High Alarm Circuit Alert Alarm CircuitFail/Safe Circuit Recorders and Computer BuffersPen Clamp Panel Meter Action During ECS Test Meter at extreme lower end of scaleAction of Green Safe/Reset Light and Alarm During ECS Test Low Voltage Ramp GeneratorMonitoring Circuits of The ECS Board Block Diagram of ECS Test Safe/Reset Sub-circuits Muting Circuits of ECS BoardBlank Maintenance, Calibration, and Troubleshooting MaintenanceCalibration Test Procedure TP876A-1-108 Troubleshooting PreamplifierIMeter Board P/N 876A-1-86, Schematic 876A-1-3E Signal Input CircuitMother Board P/N 876-1-78, Schematic 876-1-3A Rear PanelTP501 TP502 +6.3 Test Point Normal Channel TestHigh Alarm Circuit Muting Stages of the Alarm CircuitsNormal Low Signal Level Channel Test ESC Board P/N 876A-1-92, Schematic 876A-1-3D Wave Shapes on the Electronic Check Source Board Starting With Pins M and P on the Power Supply Schematic Overall Fail Circuitry Associated with the ECS TestStarting With Terminal H on Relay Driver Board Outputs of U206 Pulse Generator on the ECS Board Operation of the Latch CircuitLatch Circuit Circuit assumed initially in Pass Condition Fail ConditionNOR Pin Voltage State CommentsCalibration and Test Procedures Blank Cable and Pull Box Procedures Cable and Pull Box ProceduresVictoreen Applicable Drawings and Bill of Materials Applicable DrawingsDocument Number Description Detector Cable Out of Containment Applicable Bill of Materials Fluke Biomedical