Fluke Biomedical 956A-201-M2 - Manual (Page 21)

2-3
4. The fourth mounting utilizes the Victoreen Model 948-10 Rack Chassis Adapter to mount a 956A
UDR into an existing Victoreen analog ratemeter rack chassis such as those used for the Victoreen
842 series analog ratemeter. Refer to drawing GEL-948-10 for mounting dimensions.
The UDR is simply inserted into the selected mounting enclosure and secured using the front panel pawl
fastener.
2.5 ELECTRICAL INTERFACE
Ensure all power is off prior to connecting the field wiring
Electrical interconnections at the detector are made via the mating "MS" style connector supplied with the
detector and loop drawing S174014A-102.
Electrical interconnections to the UDR are implemented with the mating connector kit, P/N 942A-100- 4
(supplied with the readout) by using the connector input/output assignments provided in Tables 2-3
through 2-10, and loop drawing S174014A-102, provided in Appendix B. Termination instructions for
coaxial connections can be found in Appendix D. A service loop of a minimum of 12 to 16 inches should
be provided to permit partial withdrawal of the UDR for setpoint adjustment and troubleshooting.
Connector pins should be soldered to the cable using 60/40-tin/lead resin core solder and a soldering iron
of 50 watts or less.
To protect the monitor from EMI/RFI transients, the mounting chassis must be earth grounded.
Table 2-3. Rear Panel Connections
Connector Function
P1 Relay/Output, Remote Alarm Acknowledge
P2 Detector Connector
P3 AC Power Input
P4 Detector High Voltage (SHV)
P5 Detector Signal Input (BNC)
P6 Auxiliary outputs 0 – 10 Vdc & 4 – 20 mA DC
P7 RS232C, Optional
WARNING