ML17172A643
| ML17172A643 | |
| Person / Time | |
|---|---|
| Site: | Purdue University |
| Issue date: | 07/05/2016 |
| From: | Mirion Technologies Corp |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17172A634 | List: |
| References | |
| Download: ML17172A643 (2) | |
Text
DWK 250: Purdue Digital Wide-Range Channel - Block Diagram 2016-07-05 DBR PJ0000396 P21 ed.2 reviewed: approved:
fission chamber Channel 1 Startup / Wide Range NH 32.51 NZ 21 NZ 12 TKV 23 preamp.
test up/down enable 1:100 range switch test discrim.
Campbell correlator decoder 8 relays 4 to 20 mA 2 inputs NI 21 NB 22 NB 21 NB 21 NA 33 3 fixed safety trips linear count rate 1 to 1e10 cps range control 0 to 1 kV 0 to 10 V detect. voltage monitoring discr. threshold U2 U1 4 bit ABCD RTP 3000 det. voltage HV monitorg.
pulses AC signal e.g. RMS signal hi linear multi-range Campbell signal e.g. RMS signal lo linear count rate alarms 2
test & fault status test relays chg.over logarithm.
wide range flux change rate
= 1 / reactor period 2 analog outputs processed by NZ 12 adjustable alarms and status signals test activation wide range and change rate calculation operator access and funct. monit.
NN 53 discr. voltage internal voltage monitoring NT 64 D/A D/A test parameters 4 binary inputs NB 21 2 key switches NS 01 4 to 20 mA
-3.33 e-2 to 3.33 e-1 1/s period:
30 s 3 s NT 64 NE 37 Relais NS 01 channel fault relay chg. over system fault (to RTP 3000) 4 alarms f. RTP 3000
<2 cps (BO1.1) period: <15s (BO1.2) period <12s (BO1.3)
>1e5 cps (BO1.5)
NB 28 8x DPDT period trip: 7s (1.429 e-1 1/s) system test (to RTP 3000)
RTP 3000 wide range S-BUS Release (Keys) e.g. CR hi BO1.8 BO1.7 BO1.1-3 BO2.4 board control loop main electronic rack DWK 250 BO1.5 3
Power Supply Vs = 115 / 230 VAC test