APAR AR500 User manual

OPERATING INSTRUCTIONS
AR500
AR503
AR517
AR518
PROGRAMMABLE DIGITAL METERS
Version 1.2.2
2014.03.12
บริษัท โอเมก้า เมชเชอริ�ง อินสทรูเม้นท์ จํากัด
50/23 หมู่ 3 ต.มหาสวัสดิ์ อ.บางกรวย จ.นนทบรี 11130
Tel : [phone]
Fax : [phone] ext. 6867
Email : [email protected]

2
Thank you for choosing our product. These instructions will facilitate operating the device and
enable safe use of the controller at its full capacity. Prior to the installation and startup of the
device, please become familiar with these instructions. In the event of any additional questions,
please contact our technical adviser.
CO TE TS
1. SAFETY PRI CIPLES .................................................................................................................................... 3
3. GE ERAL CHARACTERISTICS OF THE METERS ....................................................................................... 3
4. CO TE TS OF THE SET ............................................................................................................................... 4
5. TECH ICAL DATA......................................................................................................................................... 4
6. E CLOSURE DIME SIO S A D I STALLATIO DATA .......................................................................... 5
7. DESCRIPTIO OF TERMI AL STRIPS A D ELECTRICAL CO ECTIO S ............................................ 6
8. FU CTIO S OF BUTTO S. MI IMUM A D MAXIMUM VIEW ............................................................. 7
9. BI ARY I PUT .............................................................................................................................................. 8
10. SETTI G OF THE CO FIGURATIO PARAMETERS .............................................................................. 8
11. QUICK ACCESS ME U ............................................................................................................................. 12
12. A ALOG OUTPUT A D ALARM CO FIGURATIO ............................................................................ 12
12.1. CHA GI G THE PRESET VALUE FOR THE ALARM A D THE MA UAL MODE ....................... 12
12.2. A ALOG OUTPUT ............................................................................................................................. 12
12.3. MA UAL A D REMOTE CO TROL FU CTIO ........................................................................... 12
13. MESSAGE A D ERROR SIG ALI G ...................................................................................................... 13
14. CO ECTI G THE CO TROLLER TO A COMPUTER A D AVAILABLE SOFTWARE....................... 13
15. RS485 COMMU ICATIO I TERFACE (acc. to EIA RS-485) ............................................................. 14
16. MODBUS–RTU SERIAL TRA SMISSIO PROTOCOL (SLAVE) .......................................................... 14
17. USER'S OTES .......................................................................................................................................... 16
Please pay parti ular attention to the text marked with this sign.
The manufa turer reserves the right to make hanges to the design and the programming of the devi e without any deterioration of the te hni al
parameters.
!

3
1. SAFETY PRINCIPLES
 before you start to use the devi e, be ome familiar with the present instru tions;
 in order to avoid ele tro ution or damage to the devi e, its me hani al and ele tri al installation must be
performed by qualified staff;
 before swit hing on the power supply, make sure that all ables and wires are properly onne ted;
 before making any modifi ations to the wire and able onne tions, swit h off the devi e's power supply;
 ensure proper operating onditions ompliant with the te hni al spe ifi ation of the devi e (power supply
voltage, humidity, temperature - see hapter 5).
2. INSTALLATION GUIDELINES
The devi e is designed so as to ensure an appropriate level of immunity to most interferen es that may o ur in
industrial environments. In environments of unknown level of interferen es, it is re ommended to implement the
following measures so as to prevent potential interferen e with the operation of the devi e:
 do not supply the devi e from the same lines as high-power equipment without using appropriate power line
filters;
 use able shields on power supply ables, sensor ables, and signal ables, whereby the earthing of the shield
should be single-point and lo ated as lose to the devi e as possible;
 avoid running instrument (signal) ables in the dire t vi inity of and parallel to power distribution and power
supply ables;
 it is re ommended to use twisted pair signal ables;
 in the ase of sensing resistors in 3-wire onne tions, use identi al wires;
 avoid lo ating remotely ontrolled, ele tromagneti meters, and high-power loads, loads with phase or group
power ontrol, and other devi es produ ing large impulse interferen es lose to one another;
 ground or zero metal rails on whi h rail-mounted devi es are installed.
Make sure to remove the prote tive film from the LED display before the first use of the devi e.
3. GENERAL CHARACTERISTICS OF THE METERS
 measurement of temperature and other physi al values (humidity, pressure, level, speed, et .) pro essed to a
standard ele tri al signal (0/4÷20mA, 0÷10V, 0÷60mV, 0÷2,5kΩ);
 1 universal measurement input (thermoresistan e, thermo ouple, and analog) with memory of the minimum
and maximum measured value and a remote data display fun tion (over the MODBUS-RTU proto ol); (ex ept
for AR500)
 programmable digital input (ex ept for AR500) for hanging the operation mode of the meter:
manual/automati mode for the analog output, keypad blo k, stopping the display indi ations (HOLD
fun tion)
 analog output (ex ept for AR500) 0/4÷20 mA or 0/2÷10 V (retransmission, alarm/ ontrol, manual)
 manual mode for the analog output (open ontrol loop) enabling setting the output signal value in the range
of 0-100% (ex ept for AR500)
 digital LED readout with programmable olor (only AR517) and illumination brightness
 signaling of alarm status with variable display olor (only AR517)
 integrated 24 V DC power supply supplying the field transdu ers (ex ept for AR500)
 RS485 serial interfa e (galvani ally isolated, MODBUS-RTU proto ol, ex ept for AR500)
 ompensation of line resistan e for resistan e sensors and of temperature of old thermo ouple tips;
 programmable type of input, range of indi ations (for analog inputs), alarm, display, ommuni ation, and
a ess options, and other onfiguration parameters
 a ess to onfiguration parameters prote ted with a user password
 parameter onfiguration methods:
!
!

4
−from the film keypad lo ated on the front panel (in AR500 and AR503 the buttons are a essible after the
front glass is taken out)
−through the RS485 or the AR955 programmer and the ARSOFT-WZ1 free software (Windows
2000/XP/Vista/7/8)
 software and the AR955 programmer that enables viewing the measured value and qui k onfiguration single
or ready sets of parameters pre-saved on the omputer in order to be used again, for example in other meters
of the same type (dupli ation of onfiguration)
 panel en losure (on the front side: IP65 - AR517, IP54 - AR500, AR503, AR518)
 optionally (to be sele ted at the time of order): 24 V AC/DC power supply, analog output 0/2÷10 V and RS485
interfa e (does not apply to AR500)
 high a ura y, long-term stability, and immunity to interferen es;
 available a essories:
−AR955 programmer
−RS485/USB onverter
NOTE:
Before startin to work with the meter, you must become familiar with these operatin instructions,
properly prepare the electrical system and the mechanical system, and correctly confi ure the parameters.
4. CONTENTS OF THE SET
 a meter with grips for installation in a panel window
 operating instru tions
 a warranty ard
5. TECHNICAL DATA
1 universal input (set with parameter 0: inP )
measurement ran e
-
Pt100 (RTD, 3
-
or 2
-
wire)
-
200
÷
850
°C
-
Ni100 (RTD, 3
-
or 2
-
wire)
-
50
÷
170
°C
-
Pt500 (RTD, 3
-
or 2
-
wire)
-
200
÷
620
°C
-
Pt1000 (RTD, 3
-
or 2
-
wire)
-
200
÷
520
°C
-
thermo ouple J (Fe
-
CuNi)
-
40
÷
800
°C
-
thermo ouple K (NiCr
-
NiAl)
-
40
÷
1,200
°C
-
thermo ouple S (PtRh 10
-
Pt)
-
40
÷
1,600
°C
-
thermo ouple B (PtRh30PtRh6)
300
÷
1,800
°C
-
thermo ouple R (PtRh13
-
Pt)
-
40
÷
1,600
°C
-
thermo ouple T (Cu
-
CuNi)
-
25
÷
350
°C
-
thermo ouple E (NiCr
-
Cu
Ni)
-
25
÷
820
°C
- thermo ouple N (NiCrSi-NiSi
)
-
35
÷
1,300
°C
-
urrent (R
in
= 50 Ω)
0/4
÷
20
mA
-
voltage (R
in
= 110 kΩ )
0
÷
10
V
-
voltage (R
in
> 2 M Ω)
0
÷
60
mV
-
resistan e (3
-
or 2
-
wire)
0
÷
2,500
Ω
-
remote data display (through the RS485 or PRG port)
-
1999
÷
9999
Response time
(10 ÷ 90%) 0.25 ÷ 3 s (programmable with parameter 1: FiLt )
Resistance of leads
(RTD, Ω)
R
d
< 25 Ω (for ea h line)
Resistance input current
(RTD, Ω) 400 μA (Pt100, Ni100), 200 μA (others)
!

5
Processin errors
(at ambient temperature of 25 °C):
-
basi
-
for RTD, mA, V, mV, Ω
0.1% of the
measurement range ±1 digit
-
for thermo ouples
0.2% of the measurement range ±1 digit
-
additional for thermo ouples
<2 °C (temperature of old tips)
-
additional from ambient temperature hanges
< 0.003% of the input range /°C
Resolution of measur
ed temperature
programmable, 0.1 °C or 1 °C
Ran e of indications
(resolution of analog inputs)
-
1999 ÷ 9999, programmable
Position of the decimal point for analo inputs
programmable, 0 ÷ 0.000
Binary input
(none in the AR500)
onta t or voltage <24 V,
bistable,
a tive level: short ir uit or <0.8 V
Communication
interfaces
(RS485 and PRG, do not
use simultaneously)
-
RS485
(galvani ally
separated),
option, none in the AR500
-
speed 2.4 ÷ 115.2 kb/s,
- hara ter format 8N1 (8 data bits, 1 stop bit, no
parity bits)
- MODBUS-RTU proto ol (SLAVE)
-
PRG programming onne tion
(no separation), standard
Analo output
(none in the AR500)
(1 urrent or voltage, not
separated from the input)
-
urrent 0/4 ÷ 20 mA
(standard)
maximum resolution
1.4 μA (14 bit)
load apa ity of the load Ro < 350 Ω
-
voltage 0/2 ÷ 10 V
(option)
maximum resolution 0.7 mV (14 bit)
load apa ity of the output Io < 3.7 mA (Ro > 2.7 kΩ)
-
basi error of the output
< 0.1% of the output range
7
-
se ment LED
display
- 4 digits
with programmable olor (only AR517),
parameters 17: coLo , 18: AcoL ) and brightness ( 16: briG )
AR517
- 20 mm, 5 olors (red, dark- and bright-
orange, yellow, green), AR518 - 25 mm,
AR503 -14 mm, AR500 - 10 mm (blue), red
Si nali
n of alarms, messa es, and errors
LED display, variable display olor in AR517
Power supply
(Usup)
-
230 VAC (standard)
85 ÷ 260 V AC/ 3 VA (none in the AR500)
-
24 VAC/DC (option)
20÷
50 VAC
/ 3 VA, 22
÷
72 VDC/
3W,
(standard in the AR500)
Power sup
ply of field transducers
(none in the AR500)
24 VDC / 30 mA
Rated operatin conditions
0 ÷ 50 °C, <90% RH (no ondensation)
Operatin environment
air and neutral gases
Protection ratin
-
on the front side
IP65
- AR517,
IP54
- AR500, AR503, AR518
-
on the onne tions side
IP20
Wei ht
AR517 (approx.165 g), AR518 (approx.295 g),
AR500 (approx.60 g), AR503 (approx.100 g)
Electrom
a netic compatibility (EMC)
immunity: a ording to the PN-EN 61000-6-2:2002(U)
standard
emissivity: a ording to the PN-EN 61000-6-4:2002(U)
standard
6. ENCLOSURE DIMENSIONS AND INSTALLATION DATA
a) AR517
Enclosure type
panel, In abox XT L57
Materia
l
self
-
extinguishing NORYL 94V
-
0,
poly arbonate
Enclosure dimensions
96 x 48 x 79 mm
Panel window
92 x 46 mm
Fixin methods
grips on the side of the en losure
Conductor
cross-sections 2.5 mm
2
(power supply), 1.5 mm
2
(others)

6
b) AR518
Enclosu
re type
panel, In abox L57
Material
self
-
extinguishing NORYL 94V
-
0
Enclosure dimensions
144 x 72 x 72 mm (W x H x D)
Panel window
138 x 67 mm (W x H)
Protective cover
IP54
AR967 (option)
Fixin methods
grips on the side of the en losure
Conductor
cross-sections
2.5 mm
2
(power supply), 1.5 mm
2
(others)
Table 7. Numbering and des ription of terminal strips
Clamps
Description
1
-
2
-
3
input Pt100, Ni100, Pt500, Pt1000, resistan e, (2
-
and 3
-
wire)
2
-
3
thermo ouple input TC (J, K, S, B, R, T, E, N) and voltage input 0÷60 mV
3
-
5
urrent input 0/4÷20 mA
4
-
5
voltage input 0÷10 V
6 (none in the AR500)
output +24 V (in relation to the 5
-
GND) of the integrated power supply of field
transdu ers
5
-
7 (none in the AR500)
binary input ( onta t or voltage <24 V)
5
-
8 (none in the AR500)
analog urrent output (0/4÷20 mA) or voltage output
(0/2÷10 V)
PRG programming onne tion for ooperation with the programmer
(only AR955)
9
-
10 (none in the AR500)
RS485 serial interfa e (MODBUS
-
RTU transmission proto ol)
12
-
13
power supply input 230 VAC or 24 VAC/DC (in AR500 only 24 VAC/DC)
a) numbering of the onne tions on the ba k panel, method of onne ting sensors and measurement signals and
the PRG adapter in AR500 and AR503 (des ription of terminal lamps - Table 7)
a.1) in AR517, AR518, AR503 (PRG item a.3) a.2) in AR500 (PRG item a.3) a.3) AR500, AR503
(PRG adapter onne ted)
NOTE: For onne ting the devi e with a omputer through the PRG so ket, use only the AR955 programmer (for
AR500 and AR503 with an optional adapter). A onne tion made with a regular USB able may ause damage to
)
AR500, AR503
Panel enclosure
MULTIBOX
-
482472 (AR500),
722408 (AR503)
Material
self
-
extinguishing NORYL 94V
-
0
Enclosure dimensions
48x24x79 mm (AR500),
72x24x79 mm (AR503)
Panel window
44
x21 mm (AR500),
68x22 mm (AR503)
Fixin methods
grips on the side of the en losure
Conductor
cross-sections
2.5 mm
2
(power supply AR503),
1.5 mm
2
(others)
7. DESCRIPTION OF TERMINAL STRIPS AND ELECTRICAL CONNECTIONS

7
the equipment. In AR500 and AR503, the PRG input is a essible from the top of the en losure. Pla e the adapter
in the opening in the en losure with the USB so ket fa ing the nearest wall of the en losure.
b) onne tion of a 2- and 3-wire transdu er (Iout - output urrent, Uout - output voltage)
8. FUNCTIONS OF BUTTONS. MINIMUM AND MAXIMUM VIE
a) Des ription of a 7-segment LED display
the front side using
the example of programming buttons
the AR517 devi e
b) AR500 ) AR503
In AR500 and AR503, the buttons are a essible after the front glass is removed.
a) button fun tions in the measurement display mode
Button
Description
[and marking in the ontents of the instru tions]
[UP] or [DOWN]: hanges the preset value for the alarm (parameter 6: SEt1 ) or the
analog output working in the manual mode 12: HSEt , see hapters 10 and 12.3
[SET] :
- output in the qui k a ess menu ( hapter 11)
[UP]
and
[DOWN]
(at the same time): input in the parameter onfiguration menu (after
hold time longer than 1 s). If parameter 14: PPro = on (password prote tion is a tivated)
enter the a ess ode ( hapter 10)
[SET]
and
[UP]
:
- displays the saved MAXIMUM VALUE of the measurement
- deletes the maximum value of the measurement (after hold time > 6 s)
[SET]
and
[DOWN]
:
- displays the saved MINIMUM VALUE of the measurement
- deletes the minimum value of the measurement (after hold time > 6 s)

8
b) button fun tions in the parameter onfiguration menu and the qui k a ess menu ( hapters 10 and 11)
Button
Description
[and marking in the ontents of the instru tions]
[SET]
:
- edits the urrent parameter (the value blinks on the display)
- approves and saves the edited parameter value
[UP] or [DOWN]:
- moves to the next or previous parameter
- hanges the value of the edited parameter
[UP]
and
[DOWN]
(simultaneously):
- an els the hange of the edited value (and displays the parameter name again)
- returns to the measurement display mode (after hold time >0.5 s)
9. BINARY INPUT
Binary input BIN (not available in the AR500) performs a fun tion that is programmable with parameter 15: Func
( hapter 10). The binary input works with the bi-stable signal i.e. the supplied signal (voltage or swit h) must be
permanent (on/off type). A tivation of the fun tion is indi ated by appropriate messages on the display (des ribed
below).
Available BIN input fun tions
Source Description (depending on the value of parameter 15: Func) Messa e
Func = nonE
the BIN input is ina tive (fa tory setting) -
Func = bLoc
keypad blo k bLoc / boFF
Func = hAnA
un onditional manual mode for the analog output hAnd / hoFF
Func = hoLd
stopping the display indi ations (HOLD fun tion) hdoF / hoLd
10. SETTING OF THE CONFIGURATION PARAMETERS
All the ontroller's onfiguration parameters are saved in a non-volatile (permanent) internal memory.
When the devi e is swit hed on for the first time, an error message may be shown in the display due to the la k
of a sensor or the fa t that the onne ted sensor is not fa tory-programmed. In su h an event, the proper sensor
or analog signal must be onne ted and the onfiguration must be programmed.
There are two parameter onfiguration methods:
1.
From the film keypad lo ated on the front panel of the devi e:
(in AR500 and AR503, the buttons are a essible after the front glass is removed)
−enter in the onfiguration menu from the mode where the input measurements are displayed (press the
[UP] and [DOWN] buttons simultaneously for more than 1 s) If parameter 14: PPro = on (password
prote tion is a tivated) then the display shows the message CodE , and then 0000 with the first digit
blinking, use buttons[UP] or [DOWN] to enter the password (default parameter 13: PASS = 1111
11111111
1111 ), move
to su essive positions or approve the ode using the [SET] button
−after entering the onfiguration menu (with message ConF ) the display shows the mnemoni name of the
parameter ( inP <-> FiLt <-> dot <-> et .)
−by pressing the [UP] button, one an move to the next parameter, and by pressing the [DOWN] button - to
the previous parameter (the list of the onfiguration parameters is presented in Table 10)
−to hange the value of the urrent parameter, press briefly the [SET] button (the parameter blinks in the
edition mode)

9
−
use buttons [UP] or [DOWN] to hange the value of the edited parameter
−approve the hanged value of the parameter by pressing the[SET] button; an el it by pressing the [UP]
and [DOWN] buttons (simultaneously and for a short moment); then parameter name is displayed again
−to exit the onfiguration: press the [UP] and [DOWN] buttons for a long moment or wait approx. 2 minutes
2.
Use the RS485 or the PRG port (AR955 programmer) and the ARSOFT-WZ1 software ( hapter 14):
−onne t the meter to a omputer port and start and onfigure the ARSOFT-WZ1 appli ation
−after the onne tion has been established, the urrent measured value is displayed in the window of the
software
−setting and viewing of the devi e parameters is possible in the parameter onfiguration window
−new parameter values must be approved with the Approve changes button
−the urrent onfiguration an be saved in a file or set using values read from a file
−a file with finished onfiguration an also be reated using the ARSOFT-WZ4 software ( hapter 14)
NOTE:
!
−before dis onne ting the devi e from a omputer, press the Disconnect device button (ARSOFT-WZ1)
−in the event of no response:
-in the Program options he k the onfiguration of the port and the MODBUS Address of the device
-make sure that the serial port drivers in the omputer have been properly installed for the RS485
onverter or the AR955 programmer
-dis onne t for a few se onds and then re onne t the RS485 onverter or the AR955 programmer
-restart the omputer
In the event of indi ations different than the a tual value of the input signal, the zero and the sensitivity of a
sensor an be tuned: parameters 21: cALo (zero) and 22: cALG (sensitivity).
To restore the fa tory settings, when the power supply is swit hed on press buttons [UP] and [DOWN] and hold
them until the password menu appears ( CodE ), and then enter the following ode 0112 .
As an alternative, a file with default onfiguration an be used in the ARSOFT-WZ1 software.
NOTE:
!
Do not perform onfiguration of the devi e with the keypad and through the serial interfa e (RS485 or AR955)
at the same time.
Table 10. List of onfiguration parameters
Parameter Ran e of variability of the parameter and description
Fa tory
settings
0: inP
Type of measurement
input
Pt thermoresistan e sensor (RTD) Pt100 (-200 ÷ 850°C)
Pt
ni thermoresistan e sensor (RTD) Ni100 (-50 ÷ 170°C)
Pt5 thermoresistan e sensor (RTD) Pt500 (-200 ÷ 620°C)
Pt10 thermoresistan e sensor (RTD) Pt1000 (-200 ÷ 520°C)
tc-J thermoele tri sensor (thermo ouple) type J (-40 ÷ 800°C)
tc-K thermoele tri sensor (thermo ouple) type K (-40 ÷ 1,200°C)
tc-S thermoele tri sensor (thermo ouple) type S (-40 ÷ 1,600°C)
tc-b thermoele tri sensor (thermo ouple) type B (-300 ÷ 1,800°C)
tc-r thermoele tri sensor (thermo ouple) type R (-40 ÷ 1,600°C)
tc-t thermoele tri sensor (thermo ouple) type T (-25 ÷ 350°C)
tc-E thermoele tri sensor (thermo ouple) type E (-25 ÷ 820°C)
tc-n thermoele tri sensor (thermo ouple) type N (-35÷ 1,300°C)

10
4-20 urrent signal 4 ÷
20 mA
0-20 urrent signal 0 ÷
20 mA
0-10 voltage signal 0 ÷ 10 V
0-60 voltage signal 0 ÷
60 mV
rES resistan e signal 0 ÷
2,500 Ω
rEMo remote input from the RS485 or PRG port, hapter 16, Table 16.6
1: FiLt filtration (1) 1 ÷ 20
digital filtration of measurements (response time) 5
2: dot
position of the
point/resolution
0 no point (2) or 1°C for temperature
1
(0.1 °C)
1 0
. 0 (2) or resolution 0.1 °C for temperature
2 0
. 00 (2)
0
. 000 (2)
3: Lo1 lower limit or
bottom of the indi ation
range (2)
/999 ÷ 9999 indi ation 0/4 mA, 0 V, 0 Ω - start of the input s ale (2)
/99.9 °C
/99.9 ÷ 1800 lower setting limit for the preset value of the alarm 6: Set1
4: Hi1 upper limit or
top of the indi ation range
/999 ÷ 9999
indi ation for 20 mA, 10 V, 60 mV, 2,500 Ω
-
end of the input
s ale (2) 850.0 °C
/99.9 ÷ 1800 upper setting limit for the preset value of the alarm 6: Set1
ALARM CONFIGURATION
- hapter 12 (parameters insignifi ant to the AR500)
5: out1 alarm type
oFF alarm onstantly off
oFF
inu
reverse/heating
Figure 10.1. Chara teristi s of heating type alarm
dir
dire t/ ooling
Figure 10.2. Chara teristi s of ooling type alarm
bAon
in the band
Figure 10.3. Chara teristi s of alarm in the band

11
bAoF
outside of the
band
Figure 10.4. Chara teristi s of alarm outside of the band
6: SEt1 alarm value hanges in range 3: Lo1 ÷ 4: Hi1 100.0 °C
7: H1 alarm hysteresis 0.0 ÷ 999.9 °C or 0 ÷ 9999 units (2) 1.0 °C
ANALOG OUTPUT CONFIGURATION (
hapter 12.2, parameters insignifi ant to the AR500
)
8: AtYP type of analog
output
depending on the order ode: for urrent output 0-20 or 4-20 mA, for voltage
output 0-10 or 2-10 V
0-20
mA
(0-10 V)
9: outA fun tion of analog
output
oFF = off, hAnd = manual mode, rEtr = retransmission of measurement,
cont = alarm/ ontrol output, a detailed des ription is provided in hapter 12.2 oFF
10: A-Lo lower indi ation
for retransmission
start of the output s ale
-
for output signal value 0/4 mA or 0/2 V (the parameter
is a tive only for measurement retransmission when 9: outA = rEtr ) 0.0 °C
11: A-Hi upper indi ation
for retransmission
end of the output s ale
-
for output signal val
ue 20 mA or 10 V (the parameter is
a tive only for measurement retransmission when 9: outA = rEtr )
100.0 °C
12: HSEt preset value of
the manual mode
0 ÷ 100 %
1% step
ontrol value for the analog output operating in the manual
mode, hapters 12.2 and 12.3 50 %
ACCESS, DISPLAY, AND COMMUNICATION OPTIONS AND OTHER CONFIGURATION PARAMETERS
13: PASS password 0000 ÷ 9999 password for the parameter onfiguration menu 1111
14: PPro prote tion of the
onfiguration with a
password
oFF
entry into the onfiguration menu is not password-prote ted
on
on entry into the onfiguration menu is password-prote ted
15: Func
the BIN input fun tion
( hapter 9, parameter
insignifi ant to the AR500)
nonE the BIN input is ina tive
nonE
bLoc keypad blo k
hAnA un onditional manual mode for the analog output
hoLd stopping the display indi ations (HOLD fun tion)
16: briG illumination
brightness
50 ÷ 100 % brightness of the display, a 50% in rease 100 %
17: coLo basi olor GrEE = green, YELL = yellow, orAn = orange,
AMbE = amber, rEd = red, coLo = basi (only for 18: AcoL )
(18: AcoL - display olor for onne ted alarm) (3)
rEd
18: AcoL alarm olor AcoL
19: AddrMODBUS-RTU
address
1 ÷ 247 individual address of the devi e in the RS485 network
( hapter 16) 1
20: br
speed for RS485
2.4 kbit/s 4.8 kbit/s 9.6 kbit/s 19.2 kbit/s
19.2
kbit/s
8.4 kbit/s 57.6 kbit/s 115.2 kbit/s
21: cALo alibration
of the zero
zero offset for measurements: -50.0 ÷ 50.0 °C or -500 ÷ 500 units (2) 0.0 °C
22: cALG gain 85.0 ÷ 115.0 %
Slope alibration (sensitivity) for measurements 100.0 %
Notes: (1) – for FiLt = 1 the response time is equal to 0.25 s, for FiLt = 20 it is equal to at least 3 s. A higher
degree of filtration means a more "smooth" measured value and a longer response time,

12
whi h is re ommended in the ase of turbulent measurements (e.g. water temperature in a boiler)
(2) – applies to analog inputs ( mA, V, mV, Ω )
(3) – a non-signifi ant parameter for AR500, AR503, and AR518 (as the display is a single- olor one)
11. QUICK ACCESS MENU
In the measurement mode (when the measured value is displayed), it is possible to immediately a ess ertain
parameters without the need to enter a password. This possibility is offered by the qui k menu, whi h an be
a essed by pressing the [SET] button. The parameter is sele ted and edited in the same way as des ribed above
(in hapter 10).
Table 11. List of elements a essible in the qui k onfiguration menu.
Element
Description
SEt1
preset alarm value (parameter 6: SEt1 ), optional element - unavailable when parameter 5: out1 = oFF
HSEt
preset value of the manual mode (12: HSEt ), optional element - available in the manual operation mode
12. ANALOG OUTPUT AND ALARM CONFIGURATION
The programmable ar hite ture of the meter enables using it in many fields and appli ations. Before the operation
of the devi e starts, it is ne essary to set the parameters a ording to spe ifi requirements ( hapter 10).
A detailed des ription of onfiguration of the operation of the analog output and the alarm is given in hapters
12.1÷ 12.3. The alarm an be signaled both through the analog output (not available in the AR500) and through
variable olor of the display (parameter 18: AcoL only in the AR517). The default (fa tory) onfiguration
is the following: the analog output and the alarm are swit hed off (Table 10, Factory settings olumn).
12.1. CHANGING THE PRESET VALUE FOR THE ALARM AND THE MANUAL MODE
In the measurement mode, the display shows the value being measured. The simplest way to hange the preset
value for the alarm or the manual mode (parameter 6: SEt1 or 12: HSEt when the analog output is in the manual
mode) is to use the [UP] button or the [DOWN] button. As an alternative, it is possible to hange the preset value
in the parameter onfiguration mode (using the methods des ribed in hapter 10).
12.2. ANALOG OUTPUT
The standard of the output signal is determined by parameter 8: AtYP ( hapter 10, table 10). The analog output
an work in one of the following modes: retransmission of measurement (parameter 9: outA = rEtr ), manual
mode (9: outA = hAnd ) and as an alarm/ ontrol output (9: outA = ALAr ).
In the measurement retransmission mode, the output signal is proportional to the measured signal in the range
set by parameters 10: A-Lo and 11: A-Hi (e.g. 0 mA for the measured value 0 °C when A-Lo = 0 °C , 20 mA for 100 °C
when A-Hi = 100 °C and, as appropriate, 10 mA for the half of the range, i.e. 50 °C) .
Manual operation ( hapter 12.3) makes it possible to hange the output signal in the range of 0 ÷ 100%
with a 1% step.
In the alarm/ ontrol output mode, the alarm/ ontrol parameters are mandatory
(the following apply: 5: ovt1 , 6: SEt1 , 7: H1 ). In the alarm/ ontrol mode, the range of variability of the analog
signal is not ontinuous and the output assumes limit values (lower or upper, e.g. 0 mA or 20 mA), without
intermediate values. The analog output is not available in the AR500.
12.3. MANUAL AND REMOTE CONTROL FUNCTION
The manual mode enables setting the value of the output signal in the entire range of its variability (0-100%), thus
enabling operation in an open regulation loop (no automati oupling between the measured value and the

13
output signal). Manual operation is available for the analog output of the meter and is programmed using
parameters 9: outA , hapter 10, Table 10. Also, the output an be onfigured for qui k (un onditional) manual
mode ontrolled by the BIN binary input, by programming parameter 15: Func for the value hAnA ( hapter 9).
The preset value of the manual mode (parameter
12: HSEt ) an be set dire tly using the [UP] or [DOWN] button or
using the qui k menu ( hapter 11), or alternatively, in the parameter onfiguration mode (from the film keypad of
the meter or remotely using the RS485 or PRG serial port, hapters 10, 14 ÷ 16 ).
13. MESSAGE AND ERROR SIGNALING
a) measurement errors:
Code
Possible causes of error
^^^^
____
- the measurement range of the sensor is ex eeded from the top ( ^^^^ ) or from the bottom ( ____ )
- the sensor is broken
- the sensor that is onne ted is different than the one that is set in the onfiguration
( hapter 10, parameter 0: inP )
b) temporary messages and errors (one-time and re urring):
Co
de
Description of messa e
CodE
mode of entering the password for a ess to the onfiguration parameters, hapter 10
Err
the password is invalid
ConF
a ess to the parameter onfiguration menu
bLoc / boFF keypad blo k on/off, hapter 9
hAnd / hoFF un onditional manual mode on/off, hapter 9
hoLd / hdoF stopping of display indi ations (HOLD fun tion) on/off, hapter 9
SAUE
saving of fa tory parameter values ( hapter 10)
14. CONNECTING THE CONTROLLER TO A COMPUTER AND AVAILABLE SOFT ARE
It may be useful (or ne essary) to onne t the meter to a omputer in the following situations:
- remote monitoring and re ording of urrent measurement data and ontrol of the status of the analog output
- qui k onfiguration of parameters, to in lude opying of settings to other meters of the same type
In order to establish ommuni ation over long distan es, it is ne essary to establish a onne tion in the RS485
standard with an available port in the omputer (dire tly or using an RS485 onverter), as des ribed in hapter 15.
Moreover, as a standard, the meters are equipped with a PRG port whi h enables onne ting to a omputer using
an AR955 programmer (without galvani separation, able length approx. 1.2 m). Both the programmer and the
RS485 onverter require installation of the supplied serial port drivers on the omputer.
Communi ation with devi es is effe ted using a proto ol ompatible with MODBUS-RTU ( hapter 16).
The following appli ations are available (on a CD supplied with the AR955 programmer or to be downloaded from
the Internet at www.apar.pl, Download se tion, for operating systems Windows 2000/XP/Vista/7/8):
Name
Software description
ARSOFT- Z1
(free)
-
display of urrent measurement data from the onne ted devi e
- onfiguration of the type of measurement input, the indi ation range, the alarm options
display ommuni ation, and a ess options, et . ( hapter 10)
- reation of a disk with a " fg" extension, ontaining the urrent onfiguration
of the parameters to be used again (dupli ation of onfiguration)
- the program requires ommuni ation with the meter via the RS485 or PRG (AR955) port

14
ARSOFT- Z4
(free)
-
reation on the disk of a ready onfiguration file with a " fg" extension
enabling programming the meter in the future using
the RS485 interfa e or the AR955 and ARSOFT-WZ1 programmer
- the program does not use ommuni ation with the meter
ARSOFT- Z2
(payable)
-
display and re ording of urrent measurement data from a maximum of 30 hannels
at the same time (only from devi es made by APAR)
- the program requires ommuni ation with the meter via the RS485 or PRG (AR955) port
The detailed des riptions of the aforementioned appli ations an be found in the installation folders.
NOTE:
!
Before establishing the onne tion, make sure that the MODBUS address of the devi e (parameter 19: Addr ) and
the speed of transmission (20: br ) are the same as the settings of the software. Moreover, in the software, set the
number of the COM serial port in use (in the ase of the RS485 onverter or the AR955 programmer it is the
number assigned by the operating system during installation of the drivers).
15. RS485 COMMUNICATION INTERFACE (acc. to EIA RS-485)
Max. RS485 able length – 1 km. Max. no. of devi es
in the RS485 line – 30 – in order to in rease the number, use
RS485/RS485 amplifiers. Termination resistors when the MASTER
is at the start of the line (fig. above):
- at the start of the line – 2 x 820 Ω to the ground and +5 V MASTER and 150 Ω between the lines;
- at the end of the line – 150 Ω between the lines.
Termination resistors when the MASTER is in the middle of the line:
- at the onverter – 2 x 820 Ω to the ground and +5 V onverter;
- at both ends of the line – 150 Ω ea h between the lines.
16. MODBUS–RTU SERIAL TRANSMISSION PROTOCOL (SLAVE)
Chara ter format: 8 bits, 1 stop bit, no parity bit
Available fun tions: READ - 3 or 4, WRITE - 6
Table 16.1. Claim frame format for the READ function (frame length - 8 bytes):
address of the
devi e
fun tion
4 or 3
read register address:
0 ÷ 39 (0x0027)
number of read registers:
1 ÷ 40 (0x0028) CRC he k sum
1 byte 1 byte 2 bytes (HB-LB) 2 bytes (HB-LB) 2 bytes (LB-HB)
Example 16.1. Reading of a register with address 0: 0x01 - 0x04 - 0x0000 - 0x0001 - 0x31CA
Table 16.2. Claim frame format for the WRITE function (frame length - 8 bytes):
address of the
devi e fun tion 6 write register address: 0 ÷ 39 (0x0027)
write register value
CRC he k sum
1 byte 1 byte 2 bytes (HB-LB) 2 bytes (HB-LB) 2 bytes (LB-HB)
Example 16.2. Entry in a register with address 10 (0xA) with the 0 value: 0x01 - 0x06 - 0x000A - 0x0000 - 0xA9C8

15
Table 16.3. Response frame format for the READ fun tion (minimum frame length - 7 bytes):
address of
the devi e
fun tion
4 or 3
number of bytes in the
data field (max. 40*2=80
bytes)
data field - register value CRC he k sum
1 byte
1 byte
1 byte
2
÷ 80
bytes (HB
-
LB)
2 bytes (LB
-
HB)
Example 16.3. Response frame for register value equal to 0: 0x01 - 0x04 - 0x02 - 0x0000 - 0xB930
Table 16.4. Response frame format for the WRITE fun tion (frame length - 8 bytes):
opy of the laim frame for the WRITE fun tion (Table 16.2)
Table 16.5. Special response (errors: fun tion field = 0x84 or 0x83 in the ase of the READ fun tion and 0x86 in
the ase of the WRITE fun tion):
Error code
(HB-LB in the data field)
Error description
0x0001
non
-
existing register address
0x0002
wrong write register value
0x0003
improper fun tion number
Example 16.5. Error frame for a non-existing read register address: 0x01 - 0x84 - 0x02 - 0x0001- 0x5130
Table 16.6. Map of re isters for the MODBUS-RTU protocol
Re ister
address
HEX (DEC)
Value
(HEX or DEC)
Description of re ister and access type
(R- read only register, R/W - read and write register)
0x00 (0) -1999 ÷ 19999 urrent measurement value R/W
-1999 ÷ 9999 value to be displayed for the remote input (when parameter 0: inP = rEMo)
0x01 (1) 517 devi e type identifier R
0x02 (2) 100 ÷ 999 meter software (firmware) version R
0x03 ÷ 0x05 0 not used or reserved R
0x06 (6) 0 ÷ 1 urrent alarm status: bit0, bit0=1 means that the alarm is on R
0x07 (7) 0 ÷ 20000 urrent state of the analog output (0 ÷ 20000 μA or 0 ÷ 10000 mV) R
0x08 (8) -100 ÷ 700 thermo ouple old tip temperature (resolution 0.1°C ) R
0x09 (9) -1999 ÷ 19999 minimum measurement value R
0x0A (10) -1999 ÷ 19999 maximum measurement value R
0x0B ÷ 0x10 0 not used or reserved R
Confi uration parameters (chapter 10)
0x11 (17) 0 ÷ 17 parameter 0: inP type of measurement input ( hapter 10) R/W
0x12 (18) 1 ÷ 20 parameter 1: FiLt digital filtration of measurements (response time) R/W
0x13 (19) 0 ÷ 3 parameter 2: dot position of the point or resolution for temperature R/W
0x14 (20) -1999 ÷ 18000 parameter 3: Lo1 lower limit for the alarm or bottom of the indi ation range R/W
0x15 (21) -1999 ÷ 18000 parameter 4: Hi1 upper limit for the alarm or top of the indi ation range R/W
0x16 (22) 0 ÷ 4 parameter 5: out1 alarm type R/W
0x17 (23) -1999 ÷ 18000 parameter 6: SEt1 preset value for the alarm R/W
0x18 (24) 0 ÷ 9999 parameter 7: H1 alarm hysteresis
R/W
0x19 (25) 0 ÷ 1 Parameter 8: AtYP type of analog output
R/W
0x1A (26) 0 ÷ 3 parameter 9: outA fun tion of analog output R/W
0x1B (27) -1999 ÷ 18000 parameter 10: A-Lo lower indi ation for retransmission R/W
0x1C (28) -1999 ÷ 18000 parameter 11: A-Hi upper indi ation for retransmission R/W

16
0x1D (29) 0 ÷ 100 parameter 12: HSEt preset value of the manual mode R/W
0x1E (30) 0 ÷ 9999 parameter 13: PASS password R/W
0x1F (31) 1 ÷ 2 parameter 14: PPro prote tion of the onfiguration with a password R/W
0x20 (32) 0 ÷3 parameter 15: FuncBIN input fun tion R/W
0x21 (33) 20 ÷ 100 parameter 16: briG brightness of the display, a 50% in rease R/W
0x22 (34) 0 ÷4 parameter 17: coLo basi olor of the display R/W
0x23 (35) 0 ÷5 parameter 18: AcoL alarm olor of the display R/W
0x24 (36) 1 ÷ 247 parameter 19: Addr MODBUS-RTU address in the RS485 network R/W
0x25 (37) 0 ÷ 6 parameter 20: br speed for RS485 R/W
0x26 (38) -500 ÷ 500 parameter 21: cALo zero offset for measurements R/W
0x27 (39) 850 ÷ 1150 parameter 22: cALG Slope alibration
(sensitivity) for measurements R/W
17. USER'S NOTES