Files
sics/site_ansto/instrument/config/environment/temperature/sct_eurotherm_2000.tcl
Douglas Clowes 8fbe8b29d0 Adding script context MODBUS protocol and Eurotherm 2000 series driver
r2886 | dcl | 2010-04-16 09:45:27 +1000 (Fri, 16 Apr 2010) | 2 lines
2012-11-15 17:00:19 +11:00

359 lines
14 KiB
Tcl

# Define procs in ::scobj::xxx namespace
# MakeSICSObj $obj SCT_<class>
# The MakeSICSObj cmd adds a /sics/$obj node. NOTE the /sics node is not browsable.
namespace eval ::scobj::et2000 {
# Temperature controllers must have at least the following nodes
# /tempcont/setpoint
# /tempcont/sensor/value
proc debug_log {args} {
set fd [open "/home/dcl/et2000.log" a]
puts $fd $args
close $fd
}
proc getValue {nextState cmd} {
sct send $cmd
return $nextState
}
proc setValue {nextState cmd} {
set par [sct target]
sct send "$cmd $par"
debug_log "setValue $cmd $par"
return $nextState
}
proc setPoint {tc_root nextState cmd} {
set par [sct target]
hset $tc_root/status "busy"
if {[sct writestatus] == "start"} {
# Called by drive adapter
hsetprop $tc_root/setpoint driving 1
}
sct send "$cmd $par"
debug_log "setPoint $cmd $par"
return $nextState
}
proc rdValue {} {
set data [sct result]
switch -glob -- $data {
"ASCERR:*" {
sct geterror $data
}
default {
if {$data != [sct oldval]} {
sct oldval $data
sct update $data
sct utime readtime
}
}
}
return idle
}
proc getState {tc_root nextState cmd} {
sct send "$cmd"
return $nextState
}
proc checktol {tc_root currtime timecheck} {
debug_log "checktol $tc_root $currtime $timecheck"
set temp [hval $tc_root/sensor/value]
set lotemp [hval $tc_root/subtemp_warnlimit]
set hitemp [hval $tc_root/overtemp_warnlimit]
if { $temp < $lotemp || $temp > $hitemp} {
hset $tc_root/emon/isintol 0
return 0
} else {
set timeout [hval $tc_root/tolerance/settletime]
if {[expr $currtime - $timecheck] > $timeout} {
hset $tc_root/emon/isintol 1
}
return 1
}
}
##
# @brief Reads the current et2000 state and error messages.
proc rdState {tc_root} {
set my_driving [SplitReply [hgetprop $tc_root/setpoint driving]]
debug_log "rdState $tc_root: driving=$my_driving"
set val [hval $tc_root/setpoint]
debug_log "rdState $tc_root: setpoint=$val"
if {[hpropexists $tc_root/setpoint target]} {
set tgt [SplitReply [hgetprop $tc_root/setpoint target]]
debug_log "rdState $tc_root: target=$tgt"
} else {
hsetprop $tc_root/setpoint target $val
set tgt [SplitReply [hgetprop $tc_root/setpoint target]]
debug_log "rdState $tc_root: initialised target to: target=$tgt"
}
set data [sct result]
debug_log "rdState $tc_root: result=$data"
if {[string first "ASCERR:" $data] >=0} {
sct geterror $data
} elseif {$data != [sct oldval]} {
sct oldval $data
sct update $data
sct utime readtime
}
if {$my_driving > 0} {
set temp [hval $tc_root/sensor/value]
set tol [hval $tc_root/tolerance]
set lotemp [expr $tgt - $tol]
set hitemp [expr $tgt + $tol]
debug_log "rdState driving $tc_root until $data in ($lotemp, $hitemp)"
if {$data < $lotemp} {
} elseif {$data > $hitemp} {
} else {
hset $tc_root/status "idle"
hsetprop $tc_root/setpoint driving 0
}
}
return idle
}
proc noResponse {} {
return idle
}
proc wrtValue {wcmd args} {
}
proc check {tc_root} {
set setpoint [sct target]
set lolimit [hval $tc_root/lowerlimit]
set hilimit [hval $tc_root/upperlimit]
if {$setpoint < $lolimit || $setpoint > $hilimit} {
error "setpoint violates limits"
}
return OK
}
##
# @brief Implement the checkstatus command for the drivable interface
#
# NOTE: The drive adapter initially sets the writestatus to "start" and will
# only call this when writestatus!="start"
proc drivestatus {tc_root} {
if [sct driving] {
return busy
} else {
return idle
}
}
proc halt {tc_root} {
debug_log "halt $tc_root"
hset $tc_root/setpoint [hval $tc_root/sensor/value]
hsetprop $tc_root/setpoint driving 0
return idle
}
proc mk_sct_eurotherm_et2000 {sct_controller klass tempobj dev_id tol} {
if [ catch {
set ns ::scobj::et2000
MakeSICSObj $tempobj SCT_OBJECT
sicslist setatt $tempobj klass $klass
sicslist setatt $tempobj long_name $tempobj
set scobj_hpath /sics/$tempobj
hfactory $scobj_hpath/setpoint plain user float
hsetprop $scobj_hpath/setpoint read ${ns}::getValue rdValue "1:3:2"
hsetprop $scobj_hpath/setpoint write ${ns}::setPoint $scobj_hpath noResponse "1:16:2"
hsetprop $scobj_hpath/setpoint check ${ns}::check $scobj_hpath
hsetprop $scobj_hpath/setpoint rdValue ${ns}::rdValue
hsetprop $scobj_hpath/setpoint noResponse ${ns}::noResponse
hsetprop $scobj_hpath/setpoint oldval UNKNOWN
hsetprop $scobj_hpath/setpoint driving 0
hsetprop $scobj_hpath/setpoint writestatus UNKNOWN
# Drive adapter interface
hsetprop $scobj_hpath/setpoint checklimits ${ns}::check $scobj_hpath
hsetprop $scobj_hpath/setpoint checkstatus ${ns}::drivestatus $scobj_hpath
hsetprop $scobj_hpath/setpoint halt ${ns}::halt $scobj_hpath
hfactory $scobj_hpath/overtemp_warnlimit plain user float
hsetprop $scobj_hpath/overtemp_warnlimit read ${ns}::getValue rdValue "1:3:14"
hsetprop $scobj_hpath/overtemp_warnlimit write ${ns}::setValue noResponse "1:16:14"
hsetprop $scobj_hpath/overtemp_warnlimit rdValue ${ns}::rdValue
hsetprop $scobj_hpath/overtemp_warnlimit noResponse ${ns}::noResponse
hsetprop $scobj_hpath/overtemp_warnlimit oldval UNKNOWN
hfactory $scobj_hpath/subtemp_warnlimit plain user float
hsetprop $scobj_hpath/subtemp_warnlimit read ${ns}::getValue rdValue "1:3:13"
hsetprop $scobj_hpath/subtemp_warnlimit write ${ns}::setValue noResponse "1:16:13"
hsetprop $scobj_hpath/subtemp_warnlimit rdValue ${ns}::rdValue
hsetprop $scobj_hpath/subtemp_warnlimit noResponse ${ns}::noResponse
hsetprop $scobj_hpath/subtemp_warnlimit oldval UNKNOWN
hfactory $scobj_hpath/sensor plain spy none
hfactory $scobj_hpath/sensor/value plain internal float
hsetprop $scobj_hpath/sensor/value read ${ns}::getValue rdValue "1:3:1"
hsetprop $scobj_hpath/sensor/value rdValue ${ns}::rdValue
hsetprop $scobj_hpath/sensor/value oldval UNKNOWN
hsetprop $scobj_hpath/sensor/value units "C"
hfactory $scobj_hpath/setpoint_slew_rate plain user float
hsetprop $scobj_hpath/setpoint_slew_rate read ${ns}::getValue rdValue "1:3:35"
hsetprop $scobj_hpath/setpoint_slew_rate write ${ns}::setValue noResponse "1:16:35"
hsetprop $scobj_hpath/setpoint_slew_rate rdValue ${ns}::rdValue
hsetprop $scobj_hpath/setpoint_slew_rate noResponse ${ns}::noResponse
hsetprop $scobj_hpath/setpoint_slew_rate oldval UNKNOWN
hfactory $scobj_hpath/power_limit_low plain user float
hsetprop $scobj_hpath/power_limit_low read ${ns}::getValue rdValue "1:3:31"
hsetprop $scobj_hpath/power_limit_low write ${ns}::setValue noResponse "1:16:31"
hsetprop $scobj_hpath/power_limit_low rdValue ${ns}::rdValue
hsetprop $scobj_hpath/power_limit_low noResponse ${ns}::noResponse
hsetprop $scobj_hpath/power_limit_low oldval UNKNOWN
hfactory $scobj_hpath/power_limit_high plain user float
hsetprop $scobj_hpath/power_limit_high read ${ns}::getValue rdValue "1:3:30"
hsetprop $scobj_hpath/power_limit_high write ${ns}::setValue noResponse "1:16:30"
hsetprop $scobj_hpath/power_limit_high rdValue ${ns}::rdValue
hsetprop $scobj_hpath/power_limit_high noResponse ${ns}::noResponse
hsetprop $scobj_hpath/power_limit_high oldval UNKNOWN
hfactory $scobj_hpath/power_slew_rate plain user float
hsetprop $scobj_hpath/power_slew_rate read ${ns}::getValue rdValue "1:3:37"
hsetprop $scobj_hpath/power_slew_rate write ${ns}::setValue noResponse "1:16:37"
hsetprop $scobj_hpath/power_slew_rate rdValue ${ns}::rdValue
hsetprop $scobj_hpath/power_slew_rate noResponse ${ns}::noResponse
hsetprop $scobj_hpath/power_slew_rate oldval UNKNOWN
hfactory $scobj_hpath/heating_power_percent plain internal float
hsetprop $scobj_hpath/heating_power_percent read ${ns}::getValue rdValue "1:3:3"
hsetprop $scobj_hpath/heating_power_percent rdValue ${ns}::rdValue
hsetprop $scobj_hpath/heating_power_percent oldval UNKNOWN
hfactory $scobj_hpath/apply_tolerance plain user int
hsetprop $scobj_hpath/apply_tolerance values 0,1
hset $scobj_hpath/apply_tolerance 1
hfactory $scobj_hpath/tolerance plain user float
hsetprop $scobj_hpath/tolerance units "C"
hfactory $scobj_hpath/tolerance/settletime plain user float
hset $scobj_hpath/tolerance/settletime 5.0
hsetprop $scobj_hpath/tolerance/settletime units "s"
hset $scobj_hpath/tolerance $tol
hfactory $scobj_hpath/dev_id plain user int
hsetprop $scobj_hpath/dev_id values 1,2,3,4,5,6,7,8,9
hset $scobj_hpath/dev_id $dev_id
hfactory $scobj_hpath/status plain spy text
hset $scobj_hpath/status "idle"
hsetprop $scobj_hpath/status values busy,idle
hfactory $scobj_hpath/et2000_state plain spy text
hsetprop $scobj_hpath/et2000_state read ${ns}::getState $scobj_hpath rdState "1:3:1"
hsetprop $scobj_hpath/et2000_state rdState ${ns}::rdState $scobj_hpath
hsetprop $scobj_hpath/et2000_state oldval UNKNOWN
hfactory $scobj_hpath/remote_ctrl plain spy text
hset $scobj_hpath/remote_ctrl UNKNOWN
hfactory $scobj_hpath/et2000_lasterror plain user text
hset $scobj_hpath/et2000_lasterror ""
hfactory $scobj_hpath/lowerlimit plain mugger float
hsetprop $scobj_hpath/lowerlimit units "C"
hset $scobj_hpath/lowerlimit 1
hfactory $scobj_hpath/upperlimit plain mugger float
hsetprop $scobj_hpath/upperlimit units "C"
hset $scobj_hpath/upperlimit 500
hfactory $scobj_hpath/emon plain spy none
hfactory $scobj_hpath/emon/monmode plain user text
hsetprop $scobj_hpath/emon/monmode values idle,drive,monitor,error
hset $scobj_hpath/emon/monmode "idle"
hfactory $scobj_hpath/emon/isintol plain user int
hset $scobj_hpath/emon/isintol 1
hfactory $scobj_hpath/emon/errhandler plain user text
hset $scobj_hpath/emon/errhandler "pause"
if {[SplitReply [environment_simulation]]=="false"} {
$sct_controller poll $scobj_hpath/setpoint
$sct_controller write $scobj_hpath/setpoint
$sct_controller poll $scobj_hpath/subtemp_warnlimit
$sct_controller write $scobj_hpath/subtemp_warnlimit
$sct_controller poll $scobj_hpath/overtemp_warnlimit
$sct_controller write $scobj_hpath/overtemp_warnlimit
$sct_controller poll $scobj_hpath/heating_power_percent
$sct_controller poll $scobj_hpath/setpoint_slew_rate
$sct_controller write $scobj_hpath/setpoint_slew_rate
$sct_controller poll $scobj_hpath/power_slew_rate
$sct_controller write $scobj_hpath/power_slew_rate
$sct_controller poll $scobj_hpath/power_limit_low
$sct_controller write $scobj_hpath/power_limit_low
$sct_controller poll $scobj_hpath/power_limit_high
$sct_controller write $scobj_hpath/power_limit_high
$sct_controller poll $scobj_hpath/sensor/value
$sct_controller poll $scobj_hpath/et2000_state 5 halt read
}
::scobj::hinitprops $tempobj
hsetprop $scobj_hpath klass NXenvironment
::scobj::set_required_props $scobj_hpath
foreach {rootpath hpath klass priv} "
$scobj_hpath sensor NXsensor spy
$scobj_hpath sensor/value sensor user
" {
hsetprop $rootpath/$hpath klass $klass
hsetprop $rootpath/$hpath privilege $priv
hsetprop $rootpath/$hpath control true
hsetprop $rootpath/$hpath data true
hsetprop $rootpath/$hpath nxsave true
}
hsetprop $scobj_hpath type part
hsetprop $scobj_hpath/sensor type part
hsetprop $scobj_hpath/sensor/value nxalias tc1_sensor_value
hsetprop $scobj_hpath/sensor/value mutable true
hsetprop $scobj_hpath/sensor/value sdsinfo ::nexus::scobj::sdsinfo
hsetprop $scobj_hpath privilege spy
::scobj::hinitprops $tempobj setpoint
if {[SplitReply [environment_simulation]]=="false"} {
ansto_makesctdrive ${tempobj}_driveable $scobj_hpath/setpoint $scobj_hpath/sensor/value $sct_controller
}
} message ] {
return -code error $message
}
}
namespace export mk_sct_eurotherm_et2000
}
##
# @brief Create a Eurotherm et2000 temperature controller
#
# @param name, the name of the temperature controller (eg tc1)
# @param IP, the IP address of the device, this can be a hostname, (eg ca5-kowari)
# @param port, the IP protocol port number of the device (502 for modbus)
# @param _tol (optional), this is the initial tolerance setting
proc add_et2000 {name IP port dev_id {_tol 5.0}} {
set fd [open "/home/dcl/et2000.log" a]
if {[SplitReply [environment_simulation]]=="false"} {
puts $fd "makesctcontroller sct_et2000 modbus ${IP}:$port"
makesctcontroller sct_et2000 modbus ${IP}:$port
}
puts $fd "mk_sct_eurotherm_et2000 sct_et2000 environment $name $dev_id $_tol"
mk_sct_eurotherm_et2000 sct_et2000 environment $name $dev_id $_tol
puts $fd "makesctemon $name /sics/$name/emon/monmode /sics/$name/emon/isintol /sics/$name/emon/errhandler"
makesctemon $name /sics/$name/emon/monmode /sics/$name/emon/isintol /sics/$name/emon/errhandler
close $fd
}
puts stdout "file evaluation of sct_eurotherm_2000.tcl"
set fd [open "/home/dcl/et2000.log" w]
puts $fd "file evaluation of sct_eurotherm_2000.tcl"
close $fd
namespace import ::scobj::et2000::*
add_et2000 et2000 137.157.201.213 502 1 5
#add_et2000 et2000 localhost 30502 1 5