Barber-Colman 7EM User manual

Instruction Manual
1262-IN-009-0-03
February 1998 Model 7EM

2
1/8 DIN, THREE DIGIT DISPLAY
TEMPERATURE CONTROLLER
MODEL: 0 7 E M - 4 3 1 1 - 0 0-0-0 0
Field. 1 2 3 4 5 6 7 8 9 10 1112 13 1415
Fields 1 through 4. BASE
07EM - Controller
Field 5. INPUT
4 -TC types J, K, L and N; Pt 100, 3 wire RTD
NOTE: All inputs are factory calibrated and
selectablebykeys. FactorysetattypeJ.
Field 6. CONTROL ACTION
3 -PID and autotuning (Smart AT)
Field 7. OUTPUT 1
1 -Relay (SPDT) or SSR (jumper selectable)
Field 8. OUTPUT 2 (Cooling/Alarm 1)
1 -Relay (SPDT) or SSR (jumper selectable) or
SSR jumper selectable)
Field 9. OUTPUT 3
0 - None
1 - Alarm 2 (when output 2 configured for alarm 1).
3 - Alarm2, plus Hbd (heater breakdown). Order
transformerseparately.
Field 10. POWER SUPPLY
3 - 100 to 240 Vac
5 - 24 Vac/Vdc
Fields 11 through 15. RESERVED

3
CONGRATULATIONS
Congratulations on your purchase of one of the easiest to
configure controllers on the market. After a four step
configurationprocedure,yourprocesswillbeupandrunning.
GUIDE TO SIMPLE SET-UP
Only four steps are required to set-up your controller:
1. Wire the instrument (page 7).
2. Configure the instrument (page 13).
3. Check the operating mode parameters (page 24).
4. Check the autotune (Smart AT) process (page 20).
Unpack the
Instrument
Wiring
Configuration
Operating
Parameters
Autotuning
SV

4
CAUTION: USE WIRE SUITABLE
FOR 75 °C MINIMUM
Contents
1/8 DIN, THREE DIGIT DISPLAY TEMPERATURE
CONTROLLER .................................................. 2
MOUNTING REQUIREMENTS ................................... 5
DIMENSIONS AND PANEL CUTOUT ......................... 6
WIRING GUIDELINES ................................................ 7
CONFIGURATION PROCEDURE ............................. 13
Preliminary Hardware Settings ........................ 13
Configuration Key Functions ........................... 14
ConfigurationProcedure ................................. 14
AdvancedConfigurationProcedure ................ 16
OPERATING MODE ................................................. 17
Operating Key Functions ................................. 17
Autotuning (Smart AT) Function ....................... 18
Manual Reset of the Alarms ............................ 18
Enable/Disable the Control Output.................. 18
Lamp Test ........................................................ 18
OUT 1 Heater Breakdown Alarm ..................... 18
OperatingParameters ..................................... 19
Error Messages ............................................... 19
Error messages ............................................... 20
Default Parameters .......................................... 20
SPECIFICATIONS .................................................... 23
General ............................................................ 23
ControlActions................................................ 23
Inputs .............................................................. 23
Current Transformer Input for OUT 1 Heater
Breakdown Detection (Optional) ............. 24
CALIBRATION PROCEDURE ................................... 26
Calibration Parameters .................................... 26
Procedure ........................................................ 26
Entering Calibration Values .............................. 27
MAINTENANCE ....................................................... 30

5
Bracket
Panel
Gasket
MOUNTING REQUIREMENTS
Select a mounting location with the following
characteristics:
1) Low vibration.
2) An ambient temperature range between 0 and 50 °C
(32 and 122 °F).
3) Easy access to the rear of the instrument.
4) No corrosive gases (sulfuric gas, ammonia, etc.).
5) No water or other fluid (i.e., condensation).
6) A relative humidity of 20 to 85% non-condensing.
The instrument can be mounted on a panel up to 15 mm
(0.591in) thickwithacutoutof45x92mm(1.772 x3.622
in) - see outlinein “Dimensions and Panel Cutout.”
Panel surface texture must be smoother than 6.3 µm.
ToassureIP65 andNEMA 4Xprotection,insert thepanel
gasket between the instrument and the panel as shown
below.
Install the instrument as follows:
1) Insert the instrument case in the gasket.
2) Insert the instrument in the panel cutout.
3) Pushing the instrument against the panel, insert the
mountingbracket.
4) Torquethemountingbracketscrewsbetween 0.3and
0.4 Nm (0.25 and 0.32 lbin).
5) Make sure the instrument will not move within the
cutout to insure NEMA 4X/IP65 protection.

6
89 mm
3.504 in
60 mm
2.362 in
125 mm
4.921 in
45 mm, -0, +0.6 mm
1.772 in, -0, +0.024 in
92 mm, -0, +0.8 mm
3.622 in, -0, +0.031 in
48 mm
1.890 in
96 mm
3.780 in
10 mm
(0.394 in)
DIMENSIONS AND PANEL CUTOUT

7
WIRING GUIDELINES
Terminal board
NOTE: Control outputs 1 and 2 are protected by v
aristoragainstan inductiveloadupto0.5Amps.
All other outputs, or external contacts in series
with the instrument outputs, need an external
snubber network (RC) across the terminals:
CR
in accordance with the following table:
daoL tnerruC C)Fµ( R
(Ω)P)W( dnarotsiseR egatloVroticapaC
Am04<740.00012/1caV062
Am051<1.0222 062caV
pmA5.0<33.0742 062caV
PWR LINE
100/240Vac
24 Vac/Vdc
12
13
15
14
AL1/C
SSR
IN-CT
16
17
18
19
21
22 11
10
9
8
7
6
5
4
3
TC
1
20
RTD
AL2/HB
RELAYNO
C
AL1/C
RELAY
C
NO
MAIN
SSR
+
-
MAIN
RELAY
NO
NC
C
+
-

8
RTD input
43
RTD
143
RTD
1
SAFETY NOTE:
1) Do not run RTD wires with power cables.
NOTES:
1) Ground shielded cable at one end only.
2) Use the correct size copper wires.
3) The resistance of the 3 wires must be the same.
4) Pay attention to line resistance: high line resistance
(higher than 20 Ω/wire) can cause measurement
errors.
Any external components (like zener diodes, etc.)
connectedbetweenthe sensor and inputterminals may
causemeasurementerrors(excessiveor unbalancedline
resistance or possible leakage currents).
A.1) Measuring inputs
Any external components (like zener diodes, etc.)
connectedbetweenthe sensor and inputterminals may
causemeasurementerrors(excessiveorunbalancedline
resistance or possible leakage currents).
TC input
Shield
Shield
1
3
1
3
+
-
+
-
SAFETY NOTE:
1) Do not run input wires with power cables.
NOTES:
1) For TC wiring use proper compensating cable,
preferably shielded.
2) Shielded cable should be grounded at one end only.

9
Thermocouple compensating cable color codes.
elpuocomrehT lairetaM hsitirB 3481SB naciremA 1.69CMISNA namreG 01734NID hcnerF 100-81EFN
TreppoC natnatsnoC + -etihW eulB eulB
+
-eulB deR eulB
+
-deR nworB nworB
+
-wolleY eulB eulB
L/J norI natnatsnoC + -wolleY eulB kcalB
+
-etihW deR kcalB
+
-deR eulB eulB
+
-wolleY kcalB kcalB
KmuimorhClekciN munimulAlekciN + -nworB eulB deR
+
-wolleY deR wolleY
+
-deR neerG neerG
+
-wolleY elpruP wolleY
RmunitalP/munitalP muidohR%31 + -etihW eulB neerG
+
-kcalB deR neerG
+
-deR etihW etihW
+
-etihW neerG neerG
SmunitalP/munitalP muidohR%01 + -etihW eulB neerG
+
-kcalB deR neerG
+
-deR etihW etihW
+
-etihW neerG neerG
ElemorhC natnatsnoC + -nworB eulB nworB
+
-teloiV deR teloiV
-
-
-
-
-
-
BhR%03munitalP hR%6munitalP - -
-
+
-yerG deR yerG
-
-
-
-
-
-
NlisiN/lisorciN----

10
A.2) Current transformer input
SAFETY NOTE:
1) Do not run current transformer input wiring with AC
power cables.
NOTE:
1) The minimum active period to perform this
measurement is 50 ms.
2) The input impedance is 10 Ω.
3) The maximum input current is 50 mA.
This input measures the current used by OUT 1.
B.1) Relay outputs
20
22
OUT 1
(heating) C
NC
21 NO
17
OUT 2
(AL1/cooling) C
16 NO
10
OUT 3
(AL2/heater
breakdown) C
11 NO
OUT1: Contactrating of 3Amps/250 Vac resistive load.
OUT2: Contact ratingof 2 Amps/250Vac resistiveload.
OUT3: Contact ratingof 2 Amps/250Vac resistiveload.
The output 2 and the NO contact of the output 1 are
protected by varistor from inductive load with an
inductive component up to 0.5 A. The number of
operations is 1 x 105at specified rating.
Notes:
1) To avoid electric shock, cponnect power line at the
end of wiring procedure.
2) For power connections, use no. 16 AWG or larger
wires rated for at least 75°C.
3) Use copper conductors only.
4) Don’t run input wires together with power cables.
5) RelayoutputandSSRdriveroutputarebothavailable.
When a relay output is desired, it is necessary to enable
the relay output, and viceversa. See “Preliminary
Hardware Settings.”
6
Current
tran s form er
H eater
7

11
B.2) Inductive loads
High voltage transients can occur when switching
inductiveloads. Itisrecommendedto installanadditional
RC network across the internal contacts as shown.
The same problem can occur when a switch is used in
series with the internal contacts.
LOAD
C
R
POWER
LINE
It is recommended to install an additional RC network
across the external contacts as close to the instrument
terminals as possible.
The value of capacitor (C) and resistor (R) are shown in
the following table.
C R P Resistor and
Load (µF) (Ω)(W) Capacitor
<40 mA 0.047 100 1/2 260 Vac
<150 mA 0.1 22 2 260 Vac
<0.5 Amp 0.33 47 2 260 Vac
<1 Amp 0.47 47 2 260 Vac
Relayoutput wiringmust beas faraway aspossible from
input wiring and communication cables.
B.3) Voltage outputs for SSR drive
These are time proportioning outputs.
Logic voltage for SSR drive.
Logic status 1: 24 Vdc ±20% @ 1 mA.
14 Vdc ±20% @ 20mA.
Logic status 0: Less than 0.5 Vdc.
NOTES:
1) This output is not isolated. A double or reinforced
isolation between the instrument output and the
powersupplymust bemadebyanexternalsolid state
relay.
2) Relay or SSR output must be configured using
jumpers J304 and J305 as shown in the “preliminary
hardwaresettings.”
18 -
-
+
+
OUT1
19
Solid State Relay
14 -
-
+
+
OUT 2 (AL1/Cool)
15
Solid State Rela
y

12
F) Power line wiring
12
13
Power Supply
100 to 240 Vac rms (50/60 Hz)
or 24 Vac/Vdc
N
N
L2 L1
R (S, T)
R (S, T)
SAFETY NOTES:
1) Do not run input wires with power cables.
2) Permanently connected equipment must include a
switchor circuit-breaker intheinstallation. Place itin
close proximity to the equipment and within easy
reach of the operator. Mark it as the disconnecting
device for the equipment.
Asingle switchorcircuit-breakercandrivemore than
oneinstrument.
3) To avoid shock and possible instrument damage,
connect power last.
4) Before connecting the power line, check that the
voltage is correct (see Model Number).
5) When the NEUTRAL line is present, connect it to
terminal 12
NOTES:
1) For supply connections use 16 AWG or larger wires
rated for at least 75 °C.
2) Use copper conductors only.
3) Before connecting the power line, check that the
voltage is correct.
4) Polarity does not matter for 24 Vdc wiring
The instrument power supply is not fuse protected.
Please provide a fuse T Type, 1 A, 250 V when fuse is
broken. Itisadvisable to verifythe power supplycircuit,
so that it is necessary to send the instrument back to
your supplier

13
CONFIGURATION PROCEDURE
Preliminary Hardware Settings
1) Remove the instrument from its case.
2) Set J303, J304 and J305 as shown below:
J303
(AL1, Cool)
1 - 2 = Out NO (default)
2 - 3 = Out NC
J305
(MAIN output)
1 - 2 = SSR
2 - 3 = Relay
J304
(AL1, Cool)
1 - 2 = SSR
2 - 3 = Relay
1
3
NOTE: J303is a solderjumperand ison
the component side of the PCB.
Figure 1
Open input circuit
This instrument is able to identify an open circuit for TC
andRTDinputs.The openinputcircuit conditionfor RTD
input is shown by an “overrange” indication. For TC
input, either an overrange indication (standard) or
underrangeindication canbe selectedfromthefollowing
table:
2HS 2HC noitacidnI
nepoesolc)tluafed(egnarrevo
esolcnepoegnarrednu
BothpadsarelocatedonthesoldersideoftheCPUcard.
CAUTION: Solder carefully to avoid damage to PCB or
othercomponents.
SH2
CH2

14
Configuration Key Functions
FUNC = Thenewsettingof theselectedparameter is
stored and the next parameter is displayed
(in increasing order).
MAN = Scrollsback through theparameterswithout
storing the new setting.
s= Increasesthesettingoftheselectedparameter.
t= Decreasesthesettingoftheselectedparameter.
Configuration Procedure
1) Switch off power to the instrument.
2) Remove the instrument from its case.
3) Open switch V2, located 2 inchs behind the lower
left corner of the display (see Figure 2).
4) Re-insert the instrument in its case.
5) Switch on power to the instrument.
NOTE:If instrument displays “CAL”,press theskey
toselect the configurationprocedure“CnF”.
6) Press the FUNC key.
V2
P1 Input type and standard range
0 = TC type L range 0 to +800.0 °C
1 = TC type J range 0 to +800 °C
2 = TC type K range 0 to +999 °C
3 = TC type N range 0 to +999 °C
4 = RTD type Pt 100 range -199 to +500 °C
5 = RTD type Pt 100 range -19.9 to +99.9 °C
6 = TC type T range 0 to +400 °C
8 = TC type L range 0 to +999 °F
9 = TC type J range 0 to +999 °F
10 = TC type K range 0 to +999 °F
11 = TC type N range 0 to +999 °F
12 = RTD type Pt 100 range -199 to +999 °F
13 = RTD type T range 0 to +752 °F
P2 Initial scale value
Not available when P1 = 5.
The initial and full scale values are used by the PID
algorithm to calculate the input span.
P3 Full scale value
Not available when P1 = 5.
The initial and full scale values are used by the PID
algorithm to calculate the input span.
NOTE: The minimum input span (P3 - P2) for:
TC = 300 °C or 600 °F
RTD= 100 °C or 200 °F.
P4 Output configuration
H = Heating.
HC = Heating/Cooling.
P5 Heating output type
rEL = Relay.
SSr = SSR.
(J305 must correspond).

15
P11 Alarm 2 operating mode and reset of HBD alarm
Not available when P10 = 0 and P16 = OFF..
H.A = High alarm (outside band) with automatic reset.
L.A = Low alarm (inside band) with automatic reset.
H.L = High alarm (outside band) with manual reset.
L.L = Low alarm (inside band) with manual reset.
Note: The HBD alarm is a low alarm, but it assumes the
same reset type selected for alarm 2.
P12 Alarm 2 standby
ON = Standby enabled.
P13 Type of OFFSET applied on measure value
If P13 = 0 - Then a constant OFFSET (P14) is applied
over the entire range.
If P13 is not = 0 - Then P13 is the point at which P14 is
applied. P14 is the distance between the
real curve and the adjusted curve at P13.
Boththereal curve andtheadjusted curve
pass through 0, 0.
P14 OFFSET value
If P13 = 0 - P14 can be set with keys, in engineering
units,from -20 to+20%of theinputrange.
IfP13isnot= 0-P14canbe setwithkeys, inengineering
units, from -20 to +20% of P13
Readout Real curve
Input
Adjusted
curve
P14
P13 = 0
Readout Real curve
Input
Adjusted
curve
P14
P13 ≠0
P13
P6 Cooling element
Available only when P4= HC.
Alr = Air.
OlL = Oil.
H2O = Water.
P7 Alarm 1
Available only when P4 = H.
0 = Not provided.
1 = Process alarm.
2 = Band alarm.
3 = Deviationalarm.
P8 Alarm 1 operating mode
Not available when P7 = 0 or P4 = HC.
H.A = High alarm (outside band) with automatic reset.
L.A = Low alarm (inside band) with automatic reset.
H.L = High alarm (outside band) with manual reset.
L.L = Low alarm (inside band) with manual reset.
P9 Alarm 1 standby
Not available when P7 = 0 and P4 = HC.
OFF = Standby disabled.
ON = Standby enabled.
NOTE: Standby allows you to disable the alarm after a
setpoint modification or at instrument startup.
The alarm is automatically turned on when the
process variable reaches setpoint.
P10 Alarm 2
0 = Not provided.
1 = Process alarm.
2 = Band alarm.
3 = Deviationalarm.
Alarm 2 ahd HBD function are in “or” condition on the
output 3.

16
P15 Setpoint for the soft start function
Setpoint,in engineeringunits,of the“Soft start”function
(output power limiting). At instrument start up, if the
measuredvalueis lower thantheprogrammed setpoint,
theinstrumentwillautomaticallyenable theoutputlimiter
(seeOLH parameter), anditmaintans thislimitfor atime
programmed by tOL parameter. At instrument start up,
if tOL parameter is equal to InF, the P15 setting has no
effect.
P16 Current measurement
OFF = Current measurement disabled.
n.O. = Current will be measured during the ON
period (logic status 1 for SSR or contact NO
for relay output).
n.C. = Current will be measured during the OFF
period (logic status 0 for SSR or contact NC
for relay output).
P17 Current transformer range
Available only when P16 is different from off.
10 = 10 Amps (resolution 0.1 A)
25 = 25 Amps(resolution 1 A)
50 = 50 Amps (resolution 1 A)
100 = 100 Amps (resolution 1 A)
P18 Safety lock
0 = Safety lock is always disabled.
1 = Safety lock is always enabled.
2 to 499 = SP can be modified. This numeric password
is used to access the other modifiable
parameters.
500 to 999 = SP, A1 and A2 can be modified. This
numberic password is used to access the
other modifiable parameters.
The configuration procedure is now complete. The
instrument should show “-.-.-.” on both displays. Press
theFUNC key;the instrumentwill return tothe beginning
Advanced Configuration Procedure
P19 Main output
Available only when P4 = H.
r = Reverse(heating).
d = Direct(cooling).
NOTE: When P4 = Hc, P19 parameter is equal to “r”
Reverse Acting
Input
Time
Direct Acting
Output
Time
Input
Time
Output
Time
P21 Action of the alarm 1 relay
Available only when P7 is different from 0 and P4 = H
r = Reverse action (relay de-energized in alarm
condition).
d = Direct action (relay energized in alarm
condition).
P22 Action of alarm 2 relay
Available only when P10 is different from 0 and P16 is
not•OFF.
r = Reverse action (relay de-energized in alarm
condition).
d = Direct action (relay energized in alarm
condition).
of the configuration procedure. To continue with
controller set-up go to the operating mode found in the
next section. To access the advanced configuration
parameters proceed as follows:
1) Use the s andt keys to enter 217 on the display.
2) Press the FUNC key.

17
P23 Automatic modification of relative cooling gain
Available only when P4 = HC.
OFF = Autotuning (Smart AT) does not modify
“relative cooling gain.”
ON = Autotuning modifies “relative cooling gain.”
P24 Output maximum rate of change
Sets the maximum rate of change of the power output.
P24isprogrammablefrom1to10%ofthecontroloutput.
When over 10%, the upper display is blank and the rate
of change has no limit.
P25 Parameter display parameters
Available when P18 is different from 0.
OFF = Protected parameters are not displayed.
ON = Parameters are always displayed.
P26 Autotuning (Smart AT) enable/disable
0 = Autotuning disabled.
1 = Autotuning enabling/disabling is not
protected by safety lock.
2 = Autotuningenabling/disablingisprotectedby
safety lock.
P27 Maximum value of the proportional band set by
autotuning
Available only when P26 is different from 0.
Can be programmed from P28 or P29 value to 99.9.
P28 Minimum value of the proportional band set by
autotuning in heating control only
Available only when P26 is different from 0 and P4 = H.
Can be programmed from 1.0% to P27 value.
P29 Minimum value of the proportional band set by
autotuning in heating/cooling control only
Availableonly when P26isdifferentfrom0 and P4=HC.
Can be programmed from 1.5% to P27 value.
P30 Minimum value of integral time settable by
autotuning
Available only when P26 is different from 0.
Programmablefrom00.1(10seconds)to02.0(2minutes).
P31 Extension of the anti-reset windup
Range from -30 to +30% of the proportional band.
NOTE: A positive value increases the high limit of the
anti-reset windup (over setpoint) while a
negative value decreases the low limit of the
anti-reset windup (under setpoint).
Thiscompletes theconfigurationprocedure. The display
shouldshow“COnF”. Close switchV2,see configuration
procedure Figure 2.
OPERATING MODE
1) Remove the instrument from its case.
2) Close switch V2(see configurationprocedureFigure 2).
3) Re-insert the instrument in its case.
4) Switch on the instrument.Operating Key Functions
FUNC =The new setting of the selected parameter
is stored and the next parameter is
displayed (in increasing order).
AT =Enable/disable the autotuning (Smart AT)
function (hold for two seconds).
s= Increasesthesettingoftheselectedparameter
or displays the heating load current.
t=Decreases the setting of the selected
parameter.
NOTE: There is a 10 second time-out for parameter
modification. Ifnokeys arepressed duringthis
time period, the instrument automatically goes
to the “normal display mode” and the last
parameter is not changed.

18
Setpoint Access
When the device is in the AUTO mode and the “normal
display mode,” the setpoint can be directly accessed and
modified.
1) Press the s or t key (and hold for 3 seconds); the
setpoint will start to change.
2) Once the desired setting is reached, wait 3 seconds
beforepressingakeyandthenewsetpointwillbeused.
Manual Reset of the Alarms
If the alarm has been configured as a lached alarm, the
alarm status will persist after the alarm condition has
disappeared.
To reset the alarm, press the FUNC key to select the
“n.rS”parameter (thedisplay willshow “n.rS”and “OFF.”
Use the sand tkeys to select “ON” and press the
FUNC key again.
Thealarm reset actionwill onlybesuccessful ifthe alarm
condition has disappeared.
Autotuning (Smart AT) Function
Autotuningis automatically optimizesthecontrol action.
Toenable autotuning, presstheAT keyformore than 1.5
seconds. TheautotuningLEDwilllight orflashaccording
to the algorithm selected. When autotuning is enabled,
it is possible to display but not modify the control
parameters (PB, TI, TD. For rC, see P23). Press the AT
keyfor more than1.5 secondstodisable autotuningand
returnto thenormal(PID) controlmode. Onceautotuning
is turned off, the instrument maintains the calculated
control parameters, but allows the parameters to be
modified.
NOTES:
1) When ON/OFF control is programmed (PB = 0),
autotuning is disabled.
2) Autotune enable/disable can be protected by the
safety lock password (see P26 in the Configuration
Procedure).
Enable/Disable the Control Output
Withtheinstrument in the“normaldisplay mode,” press
andhold(for 5 seconds) thes key and the FUNCkeyto
disable the control outputs. The device will function as
an indicator. All control outputs will be off and the word
“OFF” will be appear on the lower display. Alarms will
be in a non-alarm condition.
Press and hold (for 5 seconds) theskeyand the FUNC
key a second time to restore the control status. If the
alarmstandby has beenconfigured,alarms will respond
as though it were a powerup condition.
Lamp Test
Pressing the t+ FUNC keys initiates a Lamp Test. All
display segments and LED’s will light with a 50% duty
cycle. No timeout is applied to a lamp test. Pressing
the t+FUNCkeysreturnsthe instrumenttothe“normal
display mode.”
OUT 1 Heater Breakdown Alarm
The instrument measures the OUT 1 current and
generatesan alarm ifthecurrent is lowerthanthe “Hbd”
setpoint. A fault condition is shown by the “AL2/HB”
LED flashing and by the “AL2/HB” relay status. Press
the skey to display the current. The lower display will
show the current in engineering units (a 2 digit number
followed by the letter “A.” Theskey will return the
instrument to the “normal display mode.”
Theload current issampledonly ifthepower outputhas
beenapplied to theloadfor aminimumtime of50ms. If
noloadcurrentmeasurementsaregoingtobeperformed
forone cycle (CY1),thedisplayed current valuewillstart
toflash. Inconfiguration, parameterP16is usedtoselect
the type of contact (N.O. or N.C.) used to drive the load.

19
Operating Parameters
From the“normal operatingmode,” presstheFUNCkey.
The lower display will show the code while the upper
display shows the setting or the status (ON or OFF) of
the selected parameter.
Press thesor t key to change the setting.
PresstheFUNC keyagainand the instrumentstores the
new setting and goes to the next parameter.
Some of the following parameters may not appear,
depending on the configuration.
Param Description
SP Main setpoint. Range rL to rH.
n.rS Manual resetofalarms. Available only when
one alarm with manual reset has been
programmed. Set ON, and push the FUNC
key to reset the alarms.
nnn Software keyfor parameter protection. This
parameter is skipped if P18 = 0 or 1. The
instrument shows the safety key status:
ON = instrument is in LOCK condition;
OFF = instrumet is in UNLOCK condition.
Toswitch from LOCKtoUNLOCK condition,
setavalue equaltoP18 parameter. Toswitch
fromUNLOCKtoLOCKcondition,setavalue
different from P18 parameter.
A1 Alarm 1 setpoint value. This parameter is
presentif alarm1isconfigured only. Ranges:
•P2 to P3 for process alarm
•0 to 500 units for band alarm
•-199 to 500 units for deviation alarm.
A2 Alarm2setpoint value. Forotherdetails see
A1 parameter.
H1 Alarm1hysteresis. Thisparameteris present
if alarm 1 is configured only. Range from
0.1% to 10.0% of the input span or 1 LSD.
Note:ifthehysteresisofabandalarmislarger
than the alarm band, the instrument will use
a hysteresis value equal to the programmed
band minus 1 digit.
H2 Alarm 2 hysteresis. For other details see H1
parameter.
Pb Proportional band. Ranges:
•1.0% to 99.9% of span for heating output
•1.5% to 99.9% ofspanfor heating/cooling
output
WhenPbparameteris setto0,theinstrument
performs an on-off control; the ti, td, IP, C,
C2, rC, OLP, OLH and tOL parameters are
skipped, andSMART AT function isdisabled.
Note: when SMART AT is enabled, the Pb
parameter range is limited by P27, P28 and
P29 parameters.
HS Hysteresisforon-off controlaction. Available
onlywhenPb=0. Rangefrom 0.1%to 10.0%
of the input span.
ti Integral time. This parameter is skipped if
Pb = 0 (on-off action). Range from 00.1 to
20.0 (mm.s). Above this value the display
blanksandintegralactionis excluded. When
SMARTATis enabled, the minimumvalue of
theintegraltime is limitedbyP30 parameter.
td Derivativetime. Thisparameter is skippedif
Pb = 0 (on-off action). Range from 0.01 to
9.59(m.ss). Settingthe 0valuethederivative
action is excluded. When SMART AT is
enabled, the derivative time value will be
equal to 1/4 of the integral time.
IP Integralpre-load. Thisparameter is skipped
if Pb = 0 (on-off action). Ranges:
• 0 to 100% when P4 = H
•-100 to 100% when P4 = HC
C Output 1 cycle time. Available if Pb
parameters is different from 0 only. Range
from 1 to 200 s.

20
Error Messages
Overrange or underrange and sensor break indications
Thisdeviceiscapableofdetectingprocessvariablefaults
(OVERRANGE,UNDERRANGE orSENSORBREAK). An
OVERRANGE condition will appear as:
An UNDERRANGE condition will appear as:
A sensor break will be signalled as:
- For TC input: OVERRANGE or UNDERRANGE
(selected by a solder jumper)
- For RTD input: OVERRANGE
Sensor lead short circuit detection:
- On RTD input, a special test is provided to signal
OVERRANGE when input resistance is less than 15
Ohms (short circuit sensor detection).
Output action on Over/Underrange:
- The instrument is set for one output and an
OVERRANGE is detected, then OUT 1 turns OFF (if
reverse acting or ON ( if direct acting).
- Instrument is set for heating/cooling and an
OVERRANGEis detected,thenOUT 1turnsOFFand
OUT 2 turns ON.
- The instrument is set for one output only and an
UNDERRANGE is detected, then OUT 1 turns ON (if
reverse acting) or OFF (if direct acting).
C2 Output 2 cycle time. Available only if P4 =
HC and Pb is different from 0 only. Range
from 1 to 200 s.
rC Relative cooling gain. this parameter is
skipped if Pb = 0 (on-off action) or P4 = H.
Range from 0.20 to 1.00. When SMART AT
function is enabled, the rC parameter is
limitedinaccordanceto theselectedcoolant:
•0.85 to 1.00 when P6 = Air
•0.80 to 0.90 when P6 = OIL
•0.30 TO 0.60 when P6 = H2O
OLP Deadband/overlap between H/C outputs.
OLPisskipped if Pb=0 (on-off action)orP4
= H. A negative OLP value shows a
deadband while a positive value shows an
overlap. Range from -20 to 50.
rL Setpoint low limit. Range from minimum
range value (P2) to rH. When P2 has been
modified, rL will be realigned to it.
rH Setpointhighlimit. RangefromrLtofullscale
value (P3). When P3 has been modified, rH
will be realigned to it.
rP Ramp applied to the setpoint changes.
Range from 1 to 100 digit/min. Above this
valuethedisplayshows“Inf” andthe transfer
will be a step transfer.
OLH Control output high limit. Skipped if Pb = 0
(on-off action) Range:
•0 to 100% when P4 = H
•-100 to 100% when P4 = HC.
tOL Timedurationoftheoutputpowerlimiter. tOL
is skipped if Pb = 0 (on-off action). Range
from 1 to 100 min. Above this value the
display shows “Inf” and the limit will be ever
enabled. The tOL can be modified but the
new value will become operative only at the
next instrument start up.
Hbd Setpoint of heater breakdown alwrm. Hbd
is available only when P16 is different from
OFF. Range within the current transformer
range (see P17).