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INSTRUCTION MANUAL VFL Series PID Controllers
■FRONT P
－SHIFT KEY. Press the shift key for 5 seconds to execute Auto Tune process (Yes. 1 mode). To abort
ANEL DESCRIPTION：
PV－Process Value
SV－Setting Value
AT－Auto tuning LED
MA－Manual mode LED
A1－Alarm 1 LED
A2－Alarm 2 LED
C1－Control 1 LED
C2－Control 2 LED
－
SET KEY. Press once to access the next programmable parameter. Press and hold this key for 5
seconds to reset alarm timer.
－UP KEY. Press to increase the set point or parameter value.
－DOWN KEY. Press to decrease the set point or parameter value.
an Auto Tune process, press and hold the shift key for 5 seconds.
－
Press the SET and UP keys once to return the normal operation.
－LEVEL KEYS. Press and hold the SET & SHIFT keys simultaneously for 5 seconds to select the
programming level, and then press the SET key to enter the selected level.
---Press the UP & DOWN keys simultaneously for 5 seconds to access “LnLo” & “LnHi” parameters.
■PANEL CUTOUT：
Model A B C D E
a b c d
48VFL 48 48 6 100 45 45+0.5 45+0.5 60 48
96VFL 96 96 10 80 91 92+0.5 92+0.5 120 96
(Units: mm)
48VFL & 96VFL v1.2 07/13
■ WIRING DIAGRAM
■Wiring Precautions:
1. Before wiring, verify the controller label for correct model number and options.
2. For thermocouple input, use the appropriate compensation wire. And note the polarity of input signal.
avoid noise induction, keep input signal wires away from instrument power lines, load lines and power lines of
3.
To
other electrical equipmen
t.
48VFL & 96VFL v1.2 07/13
■ PROGRAMMING LEVEL PARAMETERS
■
lst. Prog. Level 2nd. Prog. Level 3rd. Prog. Level 4th Prog. Level 5th. Prog. Level
+
1. When 2nd Output (Cooling) is not selected, CPb、Cti、
Ctd、HYS2 and db parameters are not available.
2. When Pb
3. When CPb≠0.0，HYS2 will be skipped.
4. When Pb＝0.0，ti、td will be skipped.
5. When CPb＝0.0，Cti、Ctd will be skipped.
≠0.0
， HYS1 will be skipped.
48VFL & 96VFL v1.2 07/13
■PARAMETER DESCRIPTION：
LEVEL Selection
Press
key to select programming level. Then press key to enter this level.
LEVEL
keys for at least 5 seconds to access Soft Level. Use or
Description
SoFt Level
PID Level
Option Level
USER LEVEL
CODE DESCRIPTION RANGE Default
Set point value of control
Alarm 1 set point value/Timer set value while A1FU is set to
T.on or T. off, the unit can be HH.MM or MM.SS. It depends on
the “P.tnE” parameter.
Alarm 2 set point value/ Timer set value while A2FU is set to
T.on or T. off, the unit can be HH.MM or MM.SS. It depends on
the “P.tnE” parameter.
：Auto-tuning is disable
：Standard type auto-tuning.
Autotune PV is compared wit SV during auto tuning.
：Low PV type auto-tuning.
PV is compared with SV-10%FS during Auto-tuning.
LoLt － HiLt
-1999 － 9999/
00.00~99.59
-1999 － 9999/
00.00~99.59
500
10
10
no
Output percentage. Adjustable when “Hand” is set to “Yes”
：Disable the manual mode Manual control
：Enable the manual mode.
-100.0
－ 100.0
no
0.0
SOFT LEVEL
Code Description Range Default
Ramp rate for the process value to limit an abrupt Change
of process (℃/min)
Set point value of soft-start
Output percentage of soft-start
0 - 9999
（0.0 –
999.9）
LoLt － HiLt ０
0.0 - 100.0 100.0
0.0
PID LEVEL
CODE DESCRIPTION RANGE Default
Proportional band variable. Set to 0.0 for ON/OFF control mode
Integral time (Reset). This value is automatically calculated by
activating the Autotune function. If desired, the user can later
0.0-300.0% 10.0
0-3600sec 240
48VFL & 96VFL v1.2 07/13
adjust this parameter to better suit the application. When PB=0.0,
this parameter will be not available. When set to zero, Pb & td ≠ 0
for PD control
Derivative (Rate). This value is automatically calculated by
activating the Auto tune function. If desired, the user can later
adjust this parameter to better suit the application. When PB=0.0,
this parameter will be not available. When set to zero, Pb & td ≠ 0
for PI control
Proportional cycle time of output 1
Proportional band variable for secondary control output (cooling).
Set 0.0 for ON/OFF
Integral time for secondary control output. When PB=0.0, this
parameter will be not available. When set to zero, Pb & td ≠ 0 for
PD control
Derivative time for secondary control output. When Pb=0.0, this
parameter will be not available. When set to zero, Pb & ti ≠ 0 for
PI control
0-900sec 60
0-100sec 15
0.0-300.0% 10.0
0-3600sec 240
0-900sec 60
Proportional cycle time of output 2
Hysteresis for ON/OFF control on output 1
Hysteresis for ON/OFF control on output 2
Hysteresis of alarm 1
Hysteresis of alarm 2
Dead band value. This defines the area in which output 1 and
output 2 are both active (negative value) or the area in which
output 1 and output 2 are both inactive (positive value)
Set point offset. This value will be added to SV to perform control.
It mainly used to eliminate offset error during Pb control
Process value offset. Permits the user to offset the PV indication
from the actual PV
Parameter lock. This security feature locks out selected levels or
single parameters prohibiting tampering and inadvertent
programming changes
0000 All parameters are locked out
0001 Only SP is adjustable
0010 Only USER level is adjustable
0011 USER and PID levels are adjustable
0100 USER,PID,OPTI levels are adjustable
0-100sec 15
0-2000(0.0-200.0) 1
0-2000(0.0-200.0) 1
0-2000 1
0-2000 1
-1000-1000
0
(-100.0-100.0)
-1000-1000
0
(-100.0-100.0)
-1000-2000
0
(-100.0-200.0)
0100
0101 USER, SOFT, PID, OPTI levels are adjustable
0101~0111 All parameters in all levels are unlocked
1000~1111
1000=0000,1001=0001,1010=0010,1011=0011,1100=0100
The only difference is that Output 2 is unlocked
48VFL & 96VFL v1.2 07/13
OPTION LEVEL
CODE DESCRIPTION RANGE Default
Input type selection.
tYPE
J
K
T
E
B
R
S
N
C
D-PT
J-PT
LINE
Unit of process value
Decimal point selection
0000：No decimal point
000.0：0.1 resolution
00.00：0.01 resolution, used for linear input only
0.000：0.001 resolution, used for linear input only
：Degrees C
：Degrees F
: Engineer units for linear input
RANGE(℃) RANGE(℉)
-50 ～ 1000 -58 ～ 1832
-50 ～ 1370 -58 ～ 2498
-270 ～ 400 -454 ～ 752
-50 ～ 750 -58 ～ 1382
0 ～ 1800 32 ～ 3272
0 ～ 1750 32 ～ 3182
0 ～ 1750 32 ～ 3182
-50 ～ 1300 -58 ～ 2372
-50 ～ 1800 -58 ～ 3272
-200 ～ 850 -328 ～ 1652
-200 ～ 650 -328 ～ 1202
-1999 ～ 9999
Refer to figure. K
0000
000.0
00.00
0.000
℃
0000
Output 1 control action.
Low limit of span or range. Set the low limit lower than the
lowest expected SV and PV display
High limit of span or range. Set the high limit higher than
highest expected SV and PV display
Software filter. 0.0-99.9
: Reverse action for heating
: Direct action for cooling
Full range 0
Full range 1000
Time scale for timer alarm.
Hours:Minutes;
00.00~99.59 00.00
Minutes:Seconds
None, Hi, Lo,
Alarm 1 function. Refer to alarm section for details
If A1FU=None, the alarm function is cancelled
dif.H, dif.L, bd.Hi ,
bd.Lo
t.on, t.oFF
Alarm 1 mode. Refer to alarm mode section for detail..
Alarm 2 function. Refer to alarm function section for detail
none, Stdy,
Lath, St.La
none, Hi, Lo, dif.H,
10.0
48VFL & 96VFL v1.2 07/13
Code
If A2FU=None, it means alarm function is cancelled.
dif.L, bd.Hi, bd.Lo
t.on, t.oFF
Alarm 2 mode. Refer to alarm mode section for details
Controller address. For use with PC RS-485 interface 0 - 255 0
Baud rate. 2.4k=2400bps, 4.8k=4800 bps, 9.6k=9600 bps,
19.2k=19200 bps
Description
none, Stdy,
Lath, St.La
2.4k, 4.8k
9.6k
9.6k, 19.2k
Default
Range
Low Scale of Linear Input
High Scale of Linear Input
-1999~9999(-199.9~999.9) 0.0
-1999~9999(-199.9~999.9) 100.0
Scaling for Linear Input
Press and hold the UP and DOWN keys simultaneously for 5 seconds to access the “LnLo” parameter.
1.
2. Adjust “LnLo” setting to correspond to the low scale; after adjustment, press
Adjust “LnHi” setting to correspond to the high scale
3.
fter adjustment press
; a
key once to
key once to exit
access “LnHi”
ALARM FUNCTION
A1FU/A2FU ALARM TYPE ALARM OUTPUT OPERATION
Alarm function OFF Output OFF
Process high alarm
Process low alarm
Deviation high alarm
Deviation low alarm
Band high alarm
Band low alarm
On-timer
Off-timer
SP
OFF
OFF OFF
ALSP
ALSP
▲ PV
SP
▲ PV
▲ PV
SP+ALSP
▲ PV
SP+ALSP
▲ ▲ ▲ PV
SP-ALSP SP SP+ALSP
▲ ▲ ▲ PV
SP-ALSP SP SP+ALSP
▲ ▲ PV
SP
▲ ▲ PV
SP
ALARM MODE
48VFL & 96VFL v1.2 07/13
A1MD/A2MD DESCRIPTION
Normal alarm mode/ When timer function is selected, with the PV<SV,
the timer function is disabled
Standby mode When selected, in any alarm function, an alarm on
power-up is prevented. The alarm is enabled only when the process
value reaches the alarm set point. Also known as “Startup inhibit”
(useful for avoiding alarm trips during startup)
Latch mode. When selected, the alarm output and indicator “latch”
when the alarm occurs. The alarm output and indicator will remain
energized even if the alarm condition has been cleared (unless the
power to the meter is removed)
Standby and latch mode
■AUTOMATIC AND MANUAL OUTPUT CONTROL
Automatic control is the normal mode of controller operation. In automatic control mode
the controller automatically adjusts the control output percentage, using PID, to bring the
PV equal to the SV. The PID parameters Pb, Ti and Td can be automatically determine
using the Auto Tune procedure.
Manual control allows the user to manually drive the output percentage from 0.0 to
100.0%. To access the manual mode, set the “
decimal (MA) on the SV display will flash. The “
display
and the process value. The output percentage can then be adjusted using
the UP or DOWN keys. To abort the manual control, simply set “
”parameter to “ ”, the right-most
” parameter will then alternately
” to “ ”.
■AUTO TUNE
In order to automatically set the PID parameters in the PID level (“Pb” proportional band,
“ti: integral time, also known as ‘reset’, and “td” derivative time, also known as ‘rate’), first
adjust the controller’s set point to a value that closely approximates the application at
hand. Set the “
” parameter to “ ” for standard applications or “ ” for
minimizing SV overshoot (see diagram below). The right-most decimal point (AT) on the
PV display will flash in Auto Tune mode. This procedure will run two cycle oscillations.
After that, the controller performs PID control with the “learned” PID value to verify the
results. Finally the PID values will be entered into the nonvolatile memory and then starts
the Fuzzy enhanced PID control. The auto tune process can last from several minutes up
to two hours, depending on the process in question. A time out error will occur if the auto
tune process can not be completed within two hours, in this case, try to set the PID
parameters manually. To abort an auto tune process, simply set the “
”.
“
” parameter to
48VFL & 96VFL v1.2 07/13
The controller can also be set to ON/OFF, PI, PD and P control mode. Set Pb = 0 for
ON/OFF control mode. Set ti = 0 for PD control mode. Set td = 0 fro PI control mode and ti,
td = 0 fro P control mode. The Hysteresis (dead band) for ON/OFF control operates as
follows:
ON
OFF
SP-HYST ▲ SP+HYST
SP
When the second control output (output 2) is used, the proportional band of output 2
and the dead band interact as detailed below:
Output
Heating Cooling
PV
Overlap Dead
Band Band
■ERROR MESSAGE AND TROUBLESHOOTING
48VFL & 96VFL v1.2 07/13
Symptom Probable Solution
Keypad not
functioning
Process
value
- Sensor break error
- Sensor not connected
- A/D converter damage
- Auto tune time out error Set Pb, ti, td manually
- Keypad is locked
- Keypad is defective
- Improper setting of Pb, Ti, Td and
CT
- Replace sensor
- Check that the sensor is connected correctly
- Unit must be repaired or replaced
- Check for outside source of damage such as
transient voltage spikes
- Set”
- Have unit repaired
- Start AT process to set Pb, Ti, Td automatically
- Set Pb, Ti, Td manually
”to an appropriate value
unstable
No heat or
output
LEDs and
display not
- No heater power or fuse open
- Output device defective or
incorrect output used
- No power to controller
- SMPS failure
- Check output wiring and fuse
- Replace output device
- Check power lines connection
- Replace or repair meter
lighting up
Process
Valu e
changed
abnormally
Entered
- Electromagnetic Interference
(EMI) or Radio Frequency
Interference (RFI)
- EEPROM error - Replace or repair meter
- Suppress arcing contacts in system to eliminate high
voltage spike sources. Separate the sensors and the
controller wiring from “noisy” power lines. Ground
heaters
data lost
48VFL & 96VFL v1.2 07/13
Controller Overview
Controller Wiring
The controller must be wired before use. The controller’s input, outputs, and AC power are connected via
its rear terminals. Refer to the wiring diagram for details.
Programming Menus
The controller uses a menu-based programming format. The menu levels are USER, PID, OPTION, and
SOFT-START. Each menu includes a series of parameters that customize the controller. The menu
structure and parameter descriptions are detailed in the instructions on reverse side of this sheet.
Inputs
The controller accepts an input from a Thermocouple, RTD, or Analog signal. Wire the input as shown in
the wiring diagram. The measurement (PV for Process Variable) is displayed on the controller’s top LED
readout in red.
Setpoint Value (SV)
The Setpoint Value (SV) is the process application target value. For example, in an oven application the
desired oven temperature is the SV. This SV is changed adjusted as described in the operating
instructions. The SV is shown on the controller’s lower LED display digits in green.
Control Outputs
The control outputs (C1 & C2) are to be wired to an external control device such as a heater, valve,
switch, etc. The controller automatically adjusts external devices to bring the Process Variable (PV) in
line with the Setpoint Variable (SV). Available outputs are Relay, Pulsed DC, and 4-20mA Analog Output.
Tuni ng
The controller must be tuned for every new application. It is strongly recommended that user run the
Auto Tune function (AT). Note that the controller must be wired and ready to go before Auto Tune is
started. Auto Tune optimizes the controller’s response to exactly match the characteristics and dynamics
of the process at hand. Although auto tuning will be sufficient in most cases, there may be times when
manual adjustments are required. Qualified personnel can Manually Tune the controller using the PID
parameters in the PID Menu Level. Note that improper tuning can cause sever process disturbances;
Use Auto Tuning when possible. Again, use Auto Tune whenever possible.
Alarm Outputs
The controller has alarm output relays (A1 & A2) that can be used to switch on/off a lamp, sound a
buzzer, shut down a heater, etc. at a programmed alarm setpoint. Refer to the discussion of Alarms on
the main instruction page.
System Reset
To revert all of the parameters to their original factory default settings, press and hold the UP and DOWN
arrow keys simultaneously while turning the controller ON. Release the keys after the display switches
on.
Security LOCK
To lock the controller, in order to avoid setpoint and program tampering, refer to the information provided
in this manual for the ‘LOCK’ parameter.
48VFL & 96VFL v1.2 07/13
Specifications
General Specifications
Display Dual 7-segment 4-digit LED: Red digits for Process Variable (PV) and green digits for
Setpoint Variable (SV)
Display range -1999 to 9999
Indicating accuracy ± (0.2% full scale + 1 digit)
Display update rate 4 readings per second
Output status indication Front panel Alarm (A1 and A2) and Control (C1 and C2) status LED’s inform the user when
an output switches on or off.
Out-of-range indication PV display flashes.
‘No input’ indication PV displays ‘OPEN’ when input terminals are disconnected.
Auto Tune indication Right-most decimal on the PV display flashes while the controller is in the auto tune mode.
Calibration data Stored in non-volatile memory along with user parameter edits.
Meter construction Case is ABS plastic and the front panel is drip- and dust-proof Lexan material (NEMA and
IEC IP55 equivalent)
Power requirement 90 to 264VAC 50/60Hz (automatically accommodates any voltage between 90 to 264VAC)
Power consumption < 5VA
Insulation Resistance > 50M
Noise rejection Common Mode: 120 dB; Normal Mode: 60 dB (typical)
Operating conditions 14 to 122
Storage temperature -4 to 140
o
F (-10 to 50oC); 90% Relative Humidity max.
o
F (-20 to 60oC)
Panel cut-out dimensions 1.77 x 1.77" ±0.02" (45.0 x 45.0mm ±0.5mm) for 48VFL
3.62 x 3.62" ±0.02" (92.0 x 92.0mm ±0.5mm) for 96VFL
Thermocouple Input Specifications
Thermocouple (TC) types J, K, T, E, B, R, S, N, and C (user programmable)
Temp. Indication Accuracy <1000 degrees ±3.6F (2.0C)
>1000 degrees ±7.6F (4.0C)
TC Break protect Upscale and Downscale
Lead wire effect 0.015% / ohm
Input impedance > 10M
Repeatability 0.83
Temperature stability 5uV/
TC Ranges Type K: -58 to 2498
Type B: 32 to 3272
Type T: -454 to 752
Type E: -58 to 1382
Type R: 32 to 3182
Type S: 32 to 3182
Type N: -58 to 2372
o
C
o
C typical
Type J: -58 to 1830
Type C: -58 to 3272
o
F (-50 to 1370oC)
o
F (-50 to 1000oC)
o
F (0 to 1800oC)
o
F (-270 to 400oC)
o
F (-50 to 750oC)
o
F (0 to 1750oC)
o
F (0 to 1750oC)
o
F (-50 to 1300oC)
o
F (-50 to 1800oC)
48VFL & 96VFL v1.2 07/13
RTD Input Specifications
RTD type Platinum 100 (DIN or JIS)
RTD range -328 to 1202
o
F (-200 to 650oC)
Break protection Up- and down-scale
o
o
C
/ Ohm
Lead wire effect 0.015
Repeatability 0.2
Analog (Linear) Input Specifications
Current Input 4 to 20mA DC (2.7 input impedance)
Voltage Input 1 to 5V DC (>10M input impedance)
Display range -1999 to 9999 digits
Repeatability Within 1 digit
Relay and Pulse DC Output Specifications
Relay outputs SPST (dry contact) relays can switch up to 5 Amps @ 110V AC or 24VDC (for resistive
loads only)
Pulsed DC outputs 0 to 24 VDC output (drives resistive loads to 250 max.)
Control actions Indirect or reverse acting (heating) and direct acting (cooling)
Control types ON/OFF control with Hysteresis (dead band)
Time proportioning control (for relay or pulsed DC output)
Standard proportional output (analog output)
Automatic tuning Push-button activation. Automatically tunes the proportional band and integral/derivative
times.
Manual Tuning Proportional Band (Pb): 0.0 to 300.0% of Full Scale
Integral time or ‘Reset’ (Ti): 0 to 3000 seconds (includes anti-reset wind-up)
Derivative time or ‘Rate’ (Td): 0 to 900 seconds
Cycle Time: 0 to 100 seconds (set to ‘0’ for 4-20mA output)
Hysteresis: 0.0 to 25.5% of Full Scale
ALARM Output Specifications
Alarm relay outputs SPST, dry contact relay can switch up to 3 Amps @ 110VAC; (for Resistive Loads)
Alarm modes Deviation, Absolute, and Band Alarms with dead band (Hysteresis) adjustment.
ANALOG Output Specifications
Analog output 4-20mA DC
Load limits 600 max.
Programming Set Cycle Time (Ct) to ‘0’ to enable the analog output
48VFL & 96VFL v1.2 07/13
48VFL & 96VFL v1.2 07/13
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