Notes on MEC Attenuators

edited

The MEC attenuators are controlled by IOC ioc-xrt-mecppatt-ims [running ioc/xrt/ims/R2.2.9] The host machine for this ioc is the RHEL5 Supermicro Atom ioc-xrt-mec-mot1, which runs four other IOCs:

• ioc-xrt-mecpim1-ims [ioc/xrt/ims/R2.2.10]
• ioc-xrt-mec-xfls-ims [ioc/xrt/ims/R6.0.2]
• ioc-xrt-m3h-switch [ioc/mec/m3h_switch/R1.0.0]
• ioc-mec-pulsepicker-ims [ioc/common/pulsepicker/R1.1.7]

serverStat does not report any additional hardware interfaces beyond ethernet.
EditDelete

Silke Nelson added a comment - 26/Jan/23 10:42 AM

Cann you also call out the digi/moza channels used and what else iis located on that terminal server?
The pulse picker may be complicated: the 3 PP devices in the XRT do share some physical setup.

As all IOCs on that server are ethernet only, one can decide to move IOCs temporarily if needed (either move the attenuator or the pulse picker).

What does m3h-switch do?

McGehee, Peregrine added a comment - 26/Jan/23 11:05 AM - edited

Looking into channels.

In re: m3h_switch (dated from 9 July 2013; engineer jyin)

It's pulling in information from PVs that are clearly not on the MEC subnet,.

m3h_switch.db
record(m3h, "XRT:M3H:SWITCH")

{ field(DESC, "XRay to Main/MEC Switch") field(ERBV, "HXX:HXM:MMS:01:EN:POSITIONGET" ) field(XUTS, "CXI:R48:EVR:41:CTRL.SEVR" ) field(XUTR, "CXI:R48:EVR:41:CTRL.DG0P" ) field(DSOS, "HFX:DG2:STP:01:OPEN.SEVR" ) field(DSO, "HFX:DG2:STP:01:OPEN" ) field(DSCS, "HFX:DG2:STP:01:CLOSE.SEVR" ) field(DSC, "HFX:DG2:STP:01:CLOSE" ) field(BRSS, "PATT:SYS0:1:MPSBURSTCTRL.SEVR" ) field(BRST, "PATT:SYS0:1:MPSBURSTCTRL" ) field(MUTC, "HXX:HXM:MMS:01:UTC" ) field(MSEV, "HXX:HXM:MMS:01.SEVR") field(MDMV, "HXX:HXM:MMS:01.DMOV") field(MRBV, "HXX:HXM:MMS:01.RBV" ) field(MVAL, "HXX:HXM:MMS:01.VAL" ) field(SCAN, "5 second") }

record(calcout, "XRT:M3H:SWITCH:SCAN") {
field(DESC, "Manage the Scan Rate")
field(INPA, "XRT:M3H:SWITCH.MOVE CPP" )
field(OUT, "XRT:M3H:SWITCH.SCAN")
field(CALC, "(A==0)?4:7")
field(OOPT, "On Change")
field(DOPT, "Use CALC" )
EditDelete

McGehee, Peregrine added a comment - 26/Jan/23 11:53 AM

digi/moxa port information:

ioc-xrt-mecppatt-ims:

• digi-xrt-mec04:2104-2114

ioc-xrt-mecpims1-ims:

• digi-xrt-mec04: 2116
• moxa-xrt-dg3-01:4013

ioc-xrt-mec-xfls-ims:

• digi-xrt-mec04: 2101-2103

ioc-xrt-m3h-switch:

• NONE

ioc-mec-pulsepicker-ims:

• moxa-xrt-dg3-01: 4014,4015
• digi-xrt-mec04: 2115

EditDelete
McGehee, Peregrine added a comment - 31/Jan/23 2:40 PM

switchtool shows the moxa and the digi on the cds-lfe-pcdsn subnet.

For moxa-xrt-dg3-01:
swh-lfe-xrt:2/1/11, vlan=646 [cds-lfe.pcdsn]

For digi-xrt-mec04:
swh-lfe-xrt:4/1/22, vlan=646 [cds-lfe-pcdsn]