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| PV Name | Purpose | Save/restore | Archive |
|---|---|---|---|
| $(P):Firmware | read firmware number | ||
| $(P):HeartBeat | read heartbeat | 10s | |
| $(P):HVStatus | read status of high voltage | 10s | |
| $(P):Temp | read temperature of chassis | 10s | |
| $(P):HVMonitor | high voltage reading (V) | 10s | |
| $(P):HVSetpt | high voltage setting (V) | yes | 10s |
| $(P):RackPosition | String to hold a description of the rack position | yes | |
| $(P):nn:DoseRate | read back of dose from GM tube nn (01-10) in mR/hr (close enough, it saturates about xxx20R/hr - see curve below) | 1s | |
| $(P):nn:Position | string to hold a description of the position of GM tube number nn | yes | |
| $(P):Sequence | sequence to readout the PVs at 1 Hz. The SEQ record has a delay of 0.06 seconds between sending 1 to each PV's PROC field so commands don't collide in the cable |
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RJ50 cable/breakout (digiport server side) DecaRad Chassis DB9
Pins Pins
1 blue/wht TX- 2
2 org/wht RX- 8
3 org NC
4 green/wht NC
5 green TX+ 7
6 brown/wht RX+ 3
7 brown SGND 6
8 blk/wht NC
9 black NC
10 blue NC
Hardware Components
See LND 714 datasheet linked below for description of rad monitors. Docs below also have drawings of central unit hardware.
Screen shot of saturation curve from LND 714 datasheet.
Using Decarad frame.pdf as the basic design
| Thing | source | part number | Qty for 2 frames | total | Ordered | Received |
|---|---|---|---|---|---|---|
| 1.5x1.5" lite smooth 80-20 | tecotechnology.com prices from 8020.net | 1515-LS-96 | 10@72" 12@14" 12@24" | $7/foot comes to $700 $658.56 | x | |
flange mount for caster to cross piece I bought 100 3458 bolts | tecotechnology.com | 2426 | 24 flanges 4*24 bolts/nuts | 24*$23 4*24*$1 = $650 | x | |
| caster I bought 100 3110 bolts | teco tech | 2323 attach kit: 3110 | 24 4*24 bolts/nuts | 24*$30 4*24*$0.3 = $750 | x x | |
5 hole tee plate for lower cross piece to vertical piece I bought 190 3320 bolts | teco tech | 4340 attach kit: 3320 | 12 | 12*$10 | x x | |
| 7 hole corner between end verticals and first upper horiz | teco tech | 4352 attach kit: 3320 | 4 7*4 bolts | 4*$10.34 7*4*$0.77 = $65 | x | |
| 6 hole T to connect upper horiz with verticals in the middle | teco tech | 4310 attach kit: 3320 | 8 6*8 bolts | 8*$10 | x | |
| 4 hole corner bracket to tie decarad heads to - only need two bolts per | teco tech | 4301 attach kit: 3320 | 20 20*2 | 40*$5.12 40*2*$0.77 = $275 | x | |
| teco tech total (bob's total was $1k) | $2571.48 quote | o | ||||
| wheel to hold 150' ethernet cable | https://www.amazon.com/Bayco-KW-130-Heavy-Duty-Capacity/dp/B01MRX24FD/ref=sr_1_6?crid=1DHMSFXA5VJ3W | 2 | 2*$30=$60 | o | ||
| 50' retractable extension cord with 4 plugs | https://www.amazon.com/WEN-PC5043R-14-Gauge-Heavy-Duty-Extension/dp/B07M8Q1MJR/ref=sr_1_2?crid=330APPDZ4XWXX | 2 | 2*$50 = $150 | xx | ||
| 150' cat 6 ethernet cable | https://www.amazon.com/Outdoor-Waterproof-Ethernet-Direct-Shielded/dp/B001B6C5H8/ref=sr_1_3?crid=19LWORAQ0ZOR6 | 2 | 2*$50=$100 | o | ||
| cart | mcmaster-carr | 2602T24 | 2 | 2*$283.23 = $575 | o | xx |
| velcro zipties for decarads 15"long by 1/2" wide 5 for 9.73 green | mcmaster-carr | 6605K14 | 40 | 8*9.73 = $78 | o | x |
| velcro zipties for cables 11" long by 0.18" wide 10 for 8.39 blue | mcmaster-carr | 6605K13 | 50 | 5*$8.39 = $45 | o | x |
| DB9 male connector | L-com | C&P9M | 4 | 4*$1.10 = $5 | o | |
| DB9 pins | L-com | CPM10 | 4 | 4*$3.91 = $20 | o | |
| DB9 hood | L-com | SDC9AG | 4 | 4*$3.81 = $16 | o | |
| L-com total | 5+20+16=$41 | o |
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