RKC INSTRUMENT MA900, MA901 Instruction Manual

Multi-point Di gital Controller

MA900/MA901

Instruction Manual

IMR01H01-E4

Thank you for purchasi ng the RKC product. In order t o achieve
maximum performance and ensur e pr oper operat ion of your new
instrument, carefully read all the instructions in this manual.
Please place this manual in a convenient location for easy
reference.

SYMBOLS

WARNING

CAUTION

: This mark indicates precautions that must be

taken if there is danger of electric shock, fire, etc.,
which could result in loss of life or injury.

: This mark indicat es that i f these pr ecautions and

operating procedures are not taken, damage to
the instrument may result.

: This mark indicates that all precautions should be

!

taken for safe usage.

: This mark indicates important information on

installation, handling and operating procedures.

: This mark indic ates suppl emental informat ion on

installation, handling and operating procedures.

: This mark indic ates where additional informati on

may be located.

!"

This instrument is designed for installation in an enclosed
instrumentation panel. All high-voltage connections such as
power supply terminals must be enclosed in the
instrumentation panel to avoid electric shock by operating
personnel.

!"

All precautions described in this manual should be taken to
avoid damage to the instrument or equipment.

!"

All wiring must be in accordance with local codes and
regulations.

!"

All wiring must be completed before power is turned on to
prevent electric shock, ins trument failure, or incorrect ac tion.
The power must be turned of f before repairing work for input
break and output failure including replacement of sensor,
contactor or SSR, and all wiring must be completed before
power is turned on again.

!"

To prevent instrument damage or failure, protect the power line
and the input/output l ines from hi gh currents with a protect ion
device such as fuse, circuit breaker, etc.

!"

Prevent metal fragments or lead wi re s c raps f rom f alling inside
instrument cas e to avoid electric shock, fire or malfunction.

!"

Tighten each terminal screw to the specifi ed torque found in
the manual to avoid electric shock, fire or malfuncti on.

!"

For proper operation of this instrument, provide adequate
ventilation for heat dispensation.

!"

Do not connect wires to unused ter minals as t his will interfere
with proper operation of the instrument.

!"

Turn off the power suppl y before cleaning the instrument.

!"

Do not use a volatile solvent suc h as paint t hinner t o clean t he
instrument. Deformation or discoloration will occur. Use a soft,
dry cloth to remove stains from the instrument.

!"

To avoid damage to instrument display, do not rub with an
abrasive material or push front panel with a hard object.

!"

Do not connect modular connectors to telephone line.

WARNING

!

!"

An external protection device must be installed if
failure of this instrument could result in damage to
the instrument, equipment or injury to personnel.

!"

All wiring must be completed before power is turned
on to prevent electric shock, fire or damage to
instrument and equipment.

!"

This instrument must be used in accordance with the
specifications to prevent fire or damage to instrument
and equipment.

!"

This instrument is not intended for use in locations
subject to flammable or explosive gases.

!"

Do not touch high-voltage connections such as
power supply terminals, etc. to avoid electric shock.

!"

RKC is not responsible if this ins trument is repaired,
modified or disassembled by other than factory­approved personnel. Malfunction can occur and
warranty is void under these conditions.

CAUTION

!"

This is a Clas s A instrument. In a domestic envi ronment, this
instrument may cause radio interference, in which case the
user may be required to t ake adequate measures.

!"

This instrument is protected from electric shock by r einforced
insulation. Provi de reinforced insulation between the wire for
the input signal and the wires for instrument power supply,
source of power and loads.

!"

Be sure to provide an appropriate surge control circuit
respectively for the following:

−

If input/output or signal lines wit hin the building are longer
than 30 meters.

−

If input/output or signal lines leave the bui lding, regardless
the length.

All Rights Reserved, Copyri ght  2001, RKC INSTRUMEN T IN C.

®

!"

This manual assumes that the reader has a fundamental
knowledge of the principles of electricity, process control,
computer technology and c ommunications.

!"

The figures, diagrams and numeri c values used in t his manual
are only for purpose of illustration.

!"

RKC is not responsible for any damage or injur y that i s c aus ed
as a result of using this instrument, instrument failure or
indirect damage.

!"

Periodic maintenanc e is required for safe and proper operation
of this instrument. Some components have a limited service life,
or characteristics that change over time.

!"

Every effort has been made to ensure accuracy of all
information contained herein. RKC makes no warranty
expressed or implied, with respect to the accuracy of the
information. The information in this manual is subject to change
without prior noti ce.

!"

No portion of this document may be reprinted, modified, copied,
transmitted, digitized, stored, processed or retrieved through
any mechanical, electronic, optical or other means without prior
written approval fr om RKC.

1. OUTLINE

2. MOUNTING

3. WIRING

4. PARTS DESCRIPTION

5. SETTING

6. OPERATION

7. FUNCTIONS

8. ERROR DISPLAYS

9. REMOVING THE INTERNAL ASSEMBLY

10. SPECIFICATIONS

RKC INSTRUMENT INC.

NOTICE

CONTENTS

････････････････････････････････････････

･････････････････････････････････････

････････････････････････････････････････

･･･････････････････････････

･･･････････････････････････････････････

･･･････････････････････････････････

･･･････････････････････････････････

･････････････････････････････

･･････････

･････････････････････････････

1
3
4
5
6

14
16
19
19
20

1. OUTLINE

As a multi-point digital controller of a DIN size 96 × 96 mm, there are MA900 of 4-channel type and MA901 of 8-channel t ype. This
manual describes the specifications, setting, mounting and wiring. For the communication function, see the

Manual (IMR01H02-E

####

)

.

Communication Instruction

1.1 Checking the Product

When unpacking your new instrument, please confirm that the following products are included. If any of the products are missing,
damaged, or if your manual is incomplete, please contact RKC sales office or the agent.

!

MA900 (MA901): 1

!

Instruction Manual:1 (IMR01H01-E4)

!

Mounting brackets: 2 (Waterproof/dustproof option: 4)

!

Mounting screws [with hexagon nuts]: 2 (Water proof/dustproof option: 4)

1.2 Confirmation of the Model Code

Check whether the delivered product is as specified by referring to the following model code list. If the product you received is not the one
ordered, please cont act RKC sales offi ce or the agent.

MA900 - 4
MA901 - 8

$ $$$
$ $$$

- $ $ -

- $ $ -

(1)(2) (3) (4) (5) (6) (7) (8) (9) (10)(11) (12)

(1) Number of channel

4: 4 channels (MA900) 8: 8 channels (MA901)

(2) Control act ion type

F: PID control with autotuning (Reverse action)
D: PID control with autotuning (Direct action)
W: Heat/cool PID control wi th autotuning (Water cooling)
A: Heat/cool PID control with aut otuning (Air cooling)

(3) Input type/Input range (This code is common to all channels.)

%%%%

Input Range Table (P. 21)

See

(4) Output 1 (OUT1 to OUT4)

2

M: Relay contact output 7: Current output (0 t o 2 0 m A D C )
V: Voltage pulse output 8: Current output (4 to 2 0 m A D C )
T: Triac output

(5) Output 2 (OUT5 to OUT8)

2

N: No output 7: Current output (0 t o 2 0 m A D C )
M: Relay contact output 8: Current output (4 to 2 0 m A D C )
V: Voltage pulse output T: Triac output

(6) Power supply voltage

3: 24 V AC/DC 4: 100 to 240 V AC

(7)

Alarm 1

3

A: Deviation hi gh alarm J: Process low alar m
B: Deviation l ow alarm K: Process high alarm
C: Deviation high/low alarm L: Process low alarm
D: Band alarm M: FAI L alarm
E: Deviation hi gh alarm
F: Deviation low alarm
G: Deviation high/low alarm

4

4

R: Control loop break alarm
V: SV high alarm

4

W: SV l ow alarm

H: Process high alarm
Alarm 2 (option)

(8)

3

N: No alarm J: Process low alarm
A: Deviation hi gh alarm K: Process high alarm
B: Deviation l ow alarm L: Process low alarm
C: Deviation high/low alarm M: FAIL alarm
D: Band alarm P: Heat e r b r e a k a l a rm ( C TL 6P )
E: Deviation hi gh alarm
F: Deviation low alarm
G: Deviation high/low alarm

4

4

S: Heater break alarm (CTL12)
V: SV high alarm

4

W: SV l ow alarm

H: Process high alarm

1

1

4

4

4

4

$∗$ $ $
$∗$ $ $

(9) Alarm 3 (option)

- $ $ / $ / Y

- $ $ / $ / Y

3

N: No alarm H: Process high alarm
A: Deviation hi gh alarm J: Process low alarm
B: Deviation l ow alarm K: Proces s high alarm
C: Deviation high/low alarm L: Process low alarm
D: Band alarm M: FAIL alarm
E: Deviation hi gh alarm
F: Deviation low alarm
G: Deviation high/low alarm

(10) Contact input (option)

N: No contact input
D: Contact input (RUN/STOP, Memory area transfer)

(11) Communication Interface (option)

N: No communication function
1: RS-232C (RKC communication)
4: RS-422A (RKC communication)
5: RS-485 (RKC communication)
6: RS-485 (Modbus)
7: RS-422A (Modbus)
8: RS-232C (Modbus)

(12) Waterproof/dustproof (option)

N: No waterproof/dustproof
1: Waterproof/dustproof

1

In case of MA901, heat/c ool P ID action can not be specif i ed.

2

Output assignment of output 1 and output 2:

Control

action

F

or D action

type

(OUT1 to OUT4)

Control output
(CH1 to CH4)

(MA900)

F

or D action

type

Control output
(CH1 to CH4)

(MA901)

Heat-side control
output (CH1 to CH4)

5, 6

5, 6

W

or A action

type

(MA900)

a

When the FAIL alarm is specified, t he out put 2 is not output.
FAIL alarm is output from the contact output of alarm 3
(terminal No.51 and 52).

b

When the alarm 3 is specif ied as the output 2, output type i s
only relay contact output.

3

The selection of the alarm action type is common to all channels.

4

With hold act i on

5

For three-phase heater break alarm, special specified code
“Z-168” must be specifi ed at the end of the model code.
Three-phase heater break alarm cannot be specified with
MA901.

6

If the heater break alarm is selected, contact input and
communicati on function cannot be select ed (MA901 onl y).

4

V: SV high alarm

4

W: SV low alarm

4

Output 1

4

4

Output 2

(OUT5 to OUT8)

Alarm 3 output

a, b

(CH1 to CH4)
[Option]

Control output
(CH5 to CH8)

Cool-side control
output (CH1 to CH4)

2

IMR01H01-E4

2. MOUNTING

This chapter describes installation environment, mounti ng cautions, dimensi ons and mounting procedures.

"

"

!

WARNING

To prevent electric shock or instrument failure, always
turn off the power before mounting or removing the
instrument.

2.1 Mounting Environment

(1) This instrument is intended to be used under the following

environmental conditions. (

IEC61010-1

)

[OVERVOLTAGE CATE GORY II, P OLLU TION DE GREE 2]

(2) Avoid the followi ng conditions when selecting the mounti ng

location:

Ambient temperature less than 0 °C or more than 50 °C.

•

Ambient humidity of less than 45 % or more than 85 % RH.

•

Rapid changes in ambient temperature which may cause

•

condensation.
Corrosive or inflammable gases.

•

Direct vibration or shock to the mainframe.

•

Water, oil, chemicals, vapor or steam splas hes.

•

Excessive dust, salt or iron particles.

•

Excessive inducti on noise, static electricit y, magnetic fields or

•

noise.
Direct air flow from an air conditi oner.

•

Exposure to direct s unlight.

•

Excessive heat accumul ation.

•

2.2 Mounting Cautions

Take the following point s int o consider ation when mounti ng this
instrument in the panel.

Provide adequate ventilation space so that heat does not build

•

up.
Do not mount this inst rument directly above equipment that

•

generates large amount of heat (heater s, tr ansform ers, semi­conductor functional devices, large-wattage resis tors).
If the ambient temperature rises above 50 °C, cool this

•

instrument with a for ced air fan, cool er, or the lik e. However,
do not allow cooled air to blow this instr ument directly.
In order to improve safety and the immunity to withstand noise,

•

mount this instrument as far away as possible from high
voltage equipment, power lines, and rotating machinery.

High voltage equipment: Do not mount within the same panel.
Power lines: Separate at least 200 mm.
Rotating machinery: Separate as far as possible.
Mount this instrument in the horizontal direction for panel. If

•

you did installation except a horizont al direction, this c auses
malfunction.

2.3 Dimensions

External dimensions

!"

(Unit: mm)

Up to 4 mounting brackets can be used.

Rubber (option)

*

Mounting bracket

91.8

!"

Panel cutout

(Unit: mm)

Indiv idual mounti ng

For mount ing of the MA900/MA901, panel thickness must be bet ween 1 to
10 mm. When mounting multiple MA900/MA901s close together, the panel
strength should be checked to ensure proper support .

If the MA900/MA901s have waterproof/dustproof options, protection will be
compromised and not meet IP65 by close mount ing.

+0.8

0

92

25

0

+0.8

92

30

Close mounting

+0.8

L

0

+0.8

×n－

0

4

L = 96

n

: Number of i nstr uments (2

≤n≤

0

+0.8

92

6)

2.4 Mounting Procedures

When the ins trument is mount ed, always sec ure with two
mounting brackets either top and bottom.

The waterproof/dustproof option on the front of the
instrument confor ms t o
For effective waterproof/dustproof, the gasket must be
securely placed between instrument and panel without
any gap. If gasket is damaged, pleas e contact RKC s ales
office or the agent .

!"

Mounting to the panel

Prepare the panel cutout as specified in 2. 3 Dimensions.

1.

Insert the ins trument through the panel cutout.

2.

Insert the mounting br acket int o the mounting gr oove of the

3.

instrument . (Fig.1)
Push the mounting bracket forward unt il t he bracket is f irm ly

4.

secured to the panel. (Fig.2)
The other mounting bracket should be installed the same

5.

way described in

Fig. 1

!"

Mounting to the panel

.

and 4.

3

Mounting bracket

In addition, the mounting assembly also include two screws
which can be used with the bracket s to secure the ins trument to
the panel. Procedure 1. and 2. are the same as in the above. For
the procedure

3.

to 6., see the following figures.

3.

Mounting bracket

(2) Insert the mounting

screw.

when mounted on the panel.

IP65

Fig. 2

(When using the mounting screws)

4.

Insert the L-shaped
hook of the mounting
bracke t into the groove .

96

IMR01H01-E4

96

9.2

(1) Insert the hexagon nut.

図3

5.

91.8

110.8

1*

100 8.2

Pull till click sounds to the
direction shown by the arrow.

図5

図4

When using the mounting screws,

6.

only turn one full revolution after the
screw touches the panel.

図6

3

3. WIRING

3, 4

1

3

2

This chapter describes wiring c autions and terminal c onfiguration.

"
"

!

WARNING

To prevent electric shock or instrument failure, do not turn on the power until all the wiring is completed.

3.1 Wiring Cautions

For thermocouple input, use the appropriate c ompensation wire.

#"

For RTD input, use low resistance lead wire with no difference in r esistance between the three lead wires.

#"

To avoid noise induct ion, keep input signal wire away f rom instrument power line, load l ines and power lines of other elec tric

#"

equipment.
If there is electrical noise in the vicinity of the instrument that could affect operat ion, use a noise fil ter.

#"

Shorten the distanc e between the twisted power supply wire pitches to achieve the most effective noise reduct ion.

-

Always install the noi se fi lt er on a grounded panel. Mini mize t he wiri ng dis t ance bet ween the nois e f il ter output and t he ins t r ument

-

power supply terminal s to achieve the most effective noise reduction.
Do not connect fuses or switches to the noise filter output wiring as this will reduce the effectiveness of the noise f ilter.

-

About four seconds are required as preparation t ime for contac t output every t ime the instr ument is tur ned on. Use a delay relay

#"

when the output line is used for an external interlock circuit.
Power supply wiring must be twisted and have a low voltage drop.

#"

For an instrument with 24 V power supply, supply power from a SELV circuit.

#"

This instrument is not furnis hed with a power supply sw itch or fus e. Therefore, i f a fuse or power suppl y switch i s required, install

#"

close to the ins trument.

Recommended fuse rating: Rated voltage 250 V, Rated current 1 A Fuse type: Time-lag fuse



Use the solderles s terminal appropriate to the screw size.

#"

Screw size: M3×6 Recommended tightening torque: 0.4 N･m (4 kgf･cm)



3.2 Terminal Configuration

!"

MA900

(1)
(2)

(3)

10
11
12

(3) Outp ut 1 1

Relay contact

OUT1

NO

OUT2

NO

OUT3

NO

OUT4

NO

1
2
3
4
5
6
7
8
9

5

6

7

8

9

10

11

12

(5)

(6)

37

49

38

50

39

51

40

52

41

53

42

54

43

55

44

56

45

57

46

58

47

59

48

60

(4)

(7)

Voltage pulse/

Current
OUT1

5

+

6

-

OUT2

7

+

8

-

OUT3

9

+

10

-

OUT4

11

+

12

-

(8) (9)

25
26
27
28
29
30
31
32
33
34
35
36

OUT1

SSR

OUT2

SSR

OUT3

SSR

OUT4

SSR

13
14
15
16
17
18
19
20
21
22
23
24

Triac

(1) Power

AC L

100-240 V

N

(2) Alarm output

Relay contact

ALM1

NO

(4) Outp ut 2 (option) 1

Relay contact

OUT5

5

NO

6

OUT6

7

NO

8

OUT7

9

NO

10

11

12

OUT8

NO

AC L

1

24 V

2

N

3

(NO: Normally Open)

4

Voltage pulse/

Current
OUT5

53

+

54

-

OUT6

55

+

56

-

OUT7

57

+

58

-

OUT8

59

+

60

-

(9) Input

Thermocouple

14

+

TC1

15

-

17

+

TC2

18

-

20

+

TC3

21

-

23

+

TC4

24

-

RTD

13

A

RTD1

14

B

15

B

16

A
RTD2

17

B

18

B

19

A
RTD3

20

B

21

B

22

A
RTD4

23

B

24

B

Voltage

14

15

17

18

20

21

23

24

IN1

IN2

IN3

IN4

+

-

+

-

+

-

+

-

49

50

51

52

(Option)

SG

T (A)

T (B)

R (A)

R (B)

(6) Contact input

RUN/STOP

37

38

Memory area

transfer

39

40

41

42

DI SET

43

RS-485

44

45

46

RS-232C

44

45

46

(5) Alarm output

+

DC

1

24 V

2

-

Triac

OUT5

53

SSR

54

OUT6

55

SSR

56

OUT7

57

SSR

58

OUT8

59

SSR

60

Relay contact

1

ALM2

2

NO

ALM3

NO

53

(7) Communication (op tion)

54

RS-422A

44

55

45

56

46

57

47

58

48

59

60

DI

DI1

DI2

DI4

(Option)

SG

T/R (A)

T/R (B)

SG

SD

RD

(8) CT input 2

25

CT1

26

CT2

27

28

CT3

29

CT4

30

31

CT5

32

CT6

33

34

CT7

35

CT8

36

(Option)

Not isolated between each channel.
Relationship between CT input and channel number, see

7.8 Heater Break Alarm (HBA) Function. ( P. 18)
RTD and voltage inputs:

Not isolated between each input channel.

4

Input terminals (TC1 to TC4, RTD1 to RTD4, IN1 to IN4)
correspond to channel num bers 1 to 4 (CH1 to CH4).

4

IMR01H01-E4

!"

3, 4

2, 3

2

















MA901

With communication or contact
input function

(5)

(6)

37

49

1

(1)
(2)

(3)

2
3
4
5
6
7
8

9
10
11
12

50
51
52
53
54
55
56
57
58
59
60

(4)

38
39
40
41
42
43
44
45
46
47
48

(7)

With heater break alarm function

(5)

37

49

1

(1)
(2)

(3)

(1) Power

AC L

100-240 V

N

AC L

24 V

N

+

DC

24 V

-

2

3

4

5

6

7

8

9
10
11
12

50
51
52
53
54
55
56
57
58
59
60

(4)

1

2

1

2

1

2

38
39
40
41
42
43
44
45
46
47
48

(2) Alarm output

(NO: Normally Open)

(10)

25
26
27
28
29
30
31
32
33
34
35
36

(10) (9) (8)

25
26
27
28
29
30
31
32
33
34
35
36

Relay contact

ALM1

NO

49

50

51

52

(6) Contact input

RUN/STOP

37

DI

38

Memory area

transfer

39

DI1

40

DI2

41

DI4

42

DI SET

43

(Option)

(5) Alarm output

(9)

13
14
15
16
17
18
19
20
21
22
23
24

13
14
15
16
17
18
19
20
21
22
23
24

Relay contact

ALM2

NO

ALM3

NO

(Option)

1

Not isolated between each channel.

Relationship between CT input and channel number, see

7.8 Heater Break Alarm (HBA) Function. ( P. 18)

3

RTD and voltage inputs:
Not isolated between each input channel.

4

Input terminals (TC1 to TC8, RTD1 to RTD8, IN1 to IN8)
correspond to channel num bers 1 t o 8 (CH1 to CH8).

(3) Outp ut 1 1

Relay contact

3

NO

4

NO

NO

NO

OUT1

OUT2

OUT3

OUT4

Voltage pulse/

5

6

7

8

9

10

11

12

+

-

+

-

+

-

+

-

Current
OUT1

OUT2

OUT3

OUT4

Triac

OUT1

5

SSR

6

OUT2

7

SSR

8

OUT3

9

SSR

10

OUT4

11

SSR

12

(7) Communication (option)

RS-422A

44

SG

45

T (A)

46

T (B)

47

R (A)

48

R (B)

RS-485

44

SG

45

T/R (A)

46

T/R (B)

RS-232C

44

45

46

(4) Outp ut 2 1

Relay contact

OUT5

5

6

7

8

9

10

11

12

NO

NO

NO

NO

OUT6

OUT7

OUT8

53

54

55

56

57

58

59

60

SG

SD

RD

Voltage pulse/

Current
OUT5

53

+

54

-

OUT6

55

+

56

-

OUT7

57

+

58

-

OUT8

59

+

60

-

(8) CT input 2

37

CT1

38

39

40

CT3

41

42

43

CT5

44

45

46

CT7

47

48

(Option)

Triac

OUT5

SSR

OUT6

SSR

OUT7

SSR

OUT8

SSR

CT2

CT4

CT6

CT8

53

54

55

56

57

58

59

60

(9) Input

Thermocouple

14

TC1

15

17

TC2

18

20

TC3

21

23

TC4

24

(10) Input

Thermocouple

26

TC5

27

29

TC6

30

32

TC7

33

35

TC8

36

RTD

13

A

RTD1

14

B

+

15

-

B

16

A
RTD2

17

B

+

18

-

B

19

A
RTD3

20

B

+

21

-

B

22

A
RTD4

23

B

+

24

-

B

Voltage

14

15

17

18

20

21

23

24

IN1

IN2

IN3

IN4

+

-

+

-

+

-

+

-

RTD

25

A
RTD5

26

B

+

27

-

B

28

A
RTD6

29

B

+

30

-

B

31

A
RTD7

32

B

+

33

-

B

34

A
RTD8

35

B

+

36

-

B

Voltage

26

27

29

30

32

33

35

36

IN5

IN6

IN7

IN8

+

-

+

-

+

-

+

-

4. PARTS DESCRIPTION

This chapter describes various di splay units and the key functions.

Channel (CH)
display

Memory area
display

Indication
lamp

Channel key

AREA

PV

CH

SV

OUT3OUT2OUT1OUT4

AT

CH

MA900

OUT5OUT6OUT7OUT8



ALM1ALM2ALM3

R/S

SET

Set key

(The above figure is MA900. The figure of
MA901 is the same as a MA900.)

Measured value (PV) display [Green]

Displays PV or various parameter symbols.

Set value (SV) display [Orange]

Displays SV or various parameter set
value.

Channel (CH) display [Green]

Displays channel number.

•

Displays character “A” showing batch

•

setting.

Memory area (AREA) display [Orange]

Displays memory area number.

Measured
value (PV)
display

Set value
(SV) display

UP key

DOWN key

Shift & R/S key

Indication lamps:
Autotuning (AT) lamp [Green]

Flashes with the autotuning activated in
the displayed channel

Output (OUT1 to OUT8) lamp [Green]

Lights when the output corresponding to
each lamp is ON.

Alarm lamp *

(ALM1 to ALM3) [Red]

ALM1: Lights when alarm1 is turned on.
ALM2: Lights when alarm2 is turned on.
ALM3: Lights when alarm3 is turned on.

Bright lighting:

*

Indicates that the display channel is
alarm state.
Dim lighting:
Indicates that other channel except a
display channel is alarm state.

Channel key

Used when the channel number is

•

changed.
Used to display the character “A”

•

showing batch setting.
Used for start /stop of scan display.

•

Shift & R/S key

Shift digits when settings are changed.

•

Selects the RUN/STOP.

•

Set key

.

Used for parameter c alling up and set
value registrat ion.

Up key
DOWN key

he avoid damage to the instr ument,

T

Increase numerals.
Decrease numerals

never use a sharp object to press
keys.

IMR01H01-E4

5

5. SETTI NG

This chapter descr ibes the oper ation flowc hart of mode and the s etting item of each mode. This instrument class es sett ing item in four
kinds of mode. The mode can be selected by pressing the SET or <R/S key

5.1 Operation Flowchart of Mode

Regardless of the di splay time of the input type or i nput range, control st arts about 4 seconds

•

Power ON

Input type/Input range Display

Diplay changes
automatically

after the power is turned on.
If the key is not pr es s ed for more t han one minut e, the di spl ay will automatically return to the

•

PV/SV monitor mode.
If the function is not selected f or all of the channels , that parameter symbol is not displayed.

•

＊

In case of MA901, parameter symbols of the following are not displayed;

•

Current transf ormer 2 monitor, cool-side proportional band, overlap/deadband,
heater break alarm 2, cool-side proport ioning cycle time

Press the SET key for 2 seconds.

．

Press the ＜R/S key while pressing
the SET key.

PV/SV Monitor Mode (P. 7)

Measured value (PV)

Set value (SV)

Press the <R/S key for
1 second.

Set value (SV)

RUN state

STOP state

Press the SET key

SV Setting & CT Monitor Mode

(P. 7)

S

et value (SV) setting

SV

SET key

Memory area transfer

ArE

SET key

Current transformer 1
monitor

CT1

SET key

Current transformer 2
monitor

CT2

SET key

To PV/SV monitor mode

＊

Input type/Input Range Display

This instrument displays input type code and
input range just after power supply ON by each
2 seconds.

PVCH

AREA SV

PVCH

AREA SV

Input Type Symbol Table

Symbol

Input
Type

K J R SBE T N

Symbol

Input
Type

RTD

JPt
100Pt100

Symbo

l

Input type symbol (SeeTable)

Engineering unit (Voltage input: No display)

Input range high

Input range low

Thermocouple

Voltage

W5Re/

PL

II

W26Re

U L

Parameter Setting Mode (P. 10)

Control loop break

LbA

Lbd

AL1

AL2

AL3

P

I

d

Ar

Pc

db

SVrL

CH E

:

alarm

SET key

Control loop break
alarm deadband

SET key

Alarm 1

SET key

Alarm 2

SET key

Alarm 3

SET key

Proportional band

SET key

Integral time

SET key

Derivative time

SET key

Anti-reset windup

SET key

Cool-side proportional
band

SET key

Overlap/deadband

SET key

Setting changing rate
limiter

SET key

Used/unused of
channels

SET key

Setting item for memory area function

: These items are not displayed with MA901.

Press the

R/S key

＜

while
pressing
the SET
key.

Press the
SET key for
2 seconds.

Setup Setting Mode (P. 8)

Autotuning (AT)

ATU

SET key

Heater break alarm 1

HbA1

SET key

Heater break alarm 2

HbA2

SET key

PV bias

*

Pb

SET key

Digital filter

dF

SET key

Proportioning cycle
time

T

SET key

t

SET key

Add

SET key

bPS

SET key

bIT

SET key

InT

SET key

SCAn

SET key

LCK1

SET key

LCK2

SET key

Set the parameter for each channel.

*

*

Cool-side proportioning
cycle time

Device address

Communication speed

Data bit configuration

Interval time

Scan interval time

Lock level 1

Lock level 2

*

*

*

*

6

IMR01H01-E4

5.2 PV/SV Monitor Mode

PV/SV monitor mode can confirm the measured value (PV) and the set value (SV). Usually, set to this mode during control execution.
For checking the measured value (PV) and set value (SV) during operation, the following two methods are available.

Checking PV and SV corresponding to each channel

!"

In PV/SV monitor mode, the PV and SV correspondi ng to the dis played channel c an be checked. Each ti me the CH key is pr essed, the
SV corresponding to eac h channel wit hin the memor y area (herei nafter cal led “cont rol area” ) used for cont rol can be c hecked for each
channel.

Display example:

Indicates that PV / SV now on display
corresponds to channel 1 within cont rol
area 1.

Indicates that memory area number 1 is
selected as a control area.

When the setting change rate limit er is set, a condit ion in which the set value ( SV) goes changing according t o that rate of
change is displayed.

If the instrument needs to be switched to RUN or STOP mode, press the <RS key in PV/SV monitor mode. In addition,
RUN/STOP can be selected by key operation or by open or closed contact input ( option).

6.3 Transfer of RUN/STOP (P. 14)

Checking SV corresponding to all of the channels within the control area

!"

The SV corresponding to al l the channels within the control area are automatically check ed at each scan interval time.

5.4 Setup Setting Mode (P. 8), 7 .5 Scan Display Functi on ( P . 16)

PV/SV monitor mode display

PVCH

SVAREA

Indicates that PV corresponding to channel 1
within the control area is 300 °C

Indicates that PV corresponding to channel 1
within the control area is 350 °C.

5.3 SV Setting & CT Monitor Mode

SV setting & CT monitor mode i s us ed to set the set value ( SV) and cont rol ar ea or to moni tor t he curr ent value ( cur rent t ransf ormer 1,
current transformer 2). Press the SET key with state of PV/SV monitor mode to shift to this mode. The UP, DOWN or <R/S key is used to
change the numeric value, and the SET key is used to change the parameter as well as to register the numeric value.

Description of each parameter

!"

Set value (SV) setting

PVCH

SVAREA

Memory area transfer

PVCH

SVAREA

Current transformer 1 monitor

PVCH

SVAREA

Set the set value (SV) which is the desir ed value for control.
Setting range: Within input range
Factory set value: Temperature input 0 °C [°F] or 0.0 °C [°F] Voltage input 0.0 %

Up to eight memories per channel can be set with one set value (SV) assumed to be one

•

memory.
The set values (SV) corr esponding to all of the channels withi n the s ame control area can be

•

simultaneously s et as the same value.
No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Selects the memory ar ea used for control ( H ereafter called the control area).
Setting range: 1 to 8
Factory set value: 1

No setting can be changed when “1 (Lock)” is selected by the lock level 2.

•

One set value (SV) and up to eight setting items of the parameter setting mode per channel

•

can be stored.

For details of the setting items of parameter setting mode, see

5.5 Parameter Setting

Mode. (P. 10)

Displays the input value of the current transf ormer 1 used when the instrument i s provided with the
heater break alarm 1.
Display range: 0.0 to 100.0 A

(Option)

Current transformer 2 monitor

PVCH

SVAREA

(Option)

To PV/SV monitor mode

IMR01H01-E4

Not displayed when this instrument is not provided with the heater break alarm 1 function.

•

Displays the input value of the current transformer 1 used when the instrument is provided with

•

the heater break alar m 2 (Z-168).

[ Correspond to only MA900]

Displays the input value of the current transf ormer 2 used when the instrument i s provided with the
heater break alarm 2 ( Z-168).
Display range: 0.0 to 100.0 A

Not displayed when this instrument is not provided with the heater break alarm 2 function.

•

In case of MA901, this monitoring scr een is not provided.

•

7

5.4 Setup Setting Mode

Setup setting mode is used to set the heater beak alarms, PV bias, digital filter, communi cation, and to lock the set data. The instrument
can be switched to AT start or AT canc el. Pres s the <R/S key whi le pres si ng the SET key wi th st at e of PV/SV monit or mode, SV se tting
& CT monitor mode, or parameter s ett ing mode t o s hif t t o thi s mode. The UP, DOWN or <R/S key is us ed to c hange the numer ic val ue,
and the SET key is used to change the parameter as well as to register the numeric value.

Description of each parameter

!"

Execution of autotuning (AT)

PVCH

PVCH

SVAREA

SVAREA

Heater break alarm 1 (HBA1)

PVCH

PVCH

SVAREA

SVAREA

(Option)

The AT function is execut ed to the control area now in operation.
Setting range: ON: AT start or execution OFF: AT end or cancel
Factory set value: OFF

The batch setting al lows the autotuning to be executed simultaneously in all channels.

•

When instrument displays data without a channel, an AT lamp does not flash during AT

•

execution.

HBA1 set value is set by referring to monitor value from the current transformer 1. Used for single-phase
or three-phase.
Displayed only for when the heat er break alarm is selected as alarm 2.
Setting range: 0.0 to 100.0 A OFF: HBA1 function OFF
Factory set value: OFF

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

HBA is not available on a current output.

•

Set HBA1 set value to a value about 85 % of current transformer 1 input value.

•

When power supply variations are large, set the HBA1 set value to a slightly smal ler value. In

•

addition, when two or more heaters are connected in parallel, set t he HBA1 set value to a
slightly larger value so that it is activated even with only one heater broken (However, wi thin
the value of current transformer 1).
When no current transformer is connected in any s etting other than “OFF, ” the heater break

•

alarm is turned on.

Heater break alarm 2 (HBA2)

PVCH

HBA2 set value is set by referring to monitor value from the current transformer 2. Used only for three­phase. Displayed only for when the heater break alarm (Z-168) is selec ted as alarm 2.

SVAREA

Setting range: 0.0 to 100.0 A OFF: HBA2 function OFF
Factory set value: OFF

(Option)

PV bias

PVCH

Set the PV bias to add to measured value f or sens or corr ect ion, et c. The PV bi as is us ed to cor rec t the
individual variations in the sensors or when there is differ ence between the measured values (PV) of

SVAREA

other instruments.
Setting range: -s pan to +span (Within -1999 to +9999 digits )
Factory set value: Temperature input 0 °C [°F] or 0.0 °C [°F] Voltage input 0.0 %

Digital filter

PVCH

Set the time of the first-order lag filter which rejects any noise contained in the measured input.
Setting range: 1 to 100 seconds OFF: Digital filter function OFF

SVAREA

Factory set value: OFF

[Correspond to only MA900]

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

HBA is not available on a current output.

•

Set HBA2 set value to a value about 85 % of current transformer 2 input value.

•

When power supply variations are large, set the HBA2 set value to a slightly smal ler value. In

•

addition, when two or more heaters are connected in parallel, set t he HBA2 set value to a
slightly larger value so that it is activated even with only one heater broken (However, wi thin
the value of current transformer 2).
When no current transformer is connected in any s etting other than “OFF, ” the heater break

•

alarm is turned on.
In case of MA901, this setting item is not provided.

•

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

Proportional cycle time

PVCH

SVAREA

(A)

8

Set control output cycle. For heat/c ool PID action: Heat-side proportional cycle time
Setting range: 1 to 100 seconds
Factory set value:Relay contact output 20 seconds Voltage pulse output, triac output 2 seconds

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Not displayed for c urrent output.

•

Continued on the next page.

IMR01H01-E4

Continued from the previous page.

(A)

[Correspond to only MA900]

Cool-side proportional cycle t ime

PVCH

Displayed only for heat/cool PID control. Set the cool-side contr ol output cycle for the heat/cool PID
control.

SVAREA

Setting range: 1 to 100 seconds
Factory set value: Relay contact output 20 seconds Voltage pulse output, triac output 2 seconds

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Not displayed for c urrent output.

•

In case of MA901, this setting item is not provided.

•

Device address
(Slave address) Communication speed Data bit configur ation Interval time

PVCH

PVCH

PVCH

PVCH

SVAREA

SVAREA

These parameter is di splayed when the communication function is provided.

For details, s ee the

Communication Instruct ion Manual (IMR01H02-E

Scan interval time

PVCH

Sets the time until changed to the next screen when s can-displayed.
Setting range: 1 to 10 seconds

SVAREA

Factory set value: 2 seconds

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Only the relevant parameter corresponding to t he cannel set to “MonI” or “ConT” in

•

“used/unused channels” of the parameter s etting mode can be scan-di splayed.

Lock level 1

PVCH

SVAREA

Set to the control area now in operation to res trict parameter setting changes by the key operation.
Setting range: (1) I tems other than SV and alarms (ALM1 to ALM3)

0: Unlock 1: Lock
(2) Alarms (ALM1 to ALM3) 0: Unlock 1: Lock
(3) SV 0: Unlock 1: Lock

(4) (3)(2)(1)

(4) No setting (“0” Fixed)

Factory set value: 0000

The lock level 1 can be changed even when the whole set data is locked.

SVAREA

.

####

)

SVAREA

Lock level 2

PVCH

SVAREA

(4) (3)(2)(1)

Set to the control area now in operation to rest rict RUN/STOP and memory area changes.
Setting range: (1) RUN/STOP transfer 0: Unlock 1: Lock

Factory set value: 0000

The lock level 2 can be changed even when the whole set data is locked.

Return to first parameter “Execution of autotuning (AT)”

IMR01H01-E4

(2) Memory area transfer 0: Unlock 1: Lock
(3) No setting (“0” Fixed)
(4) No setting (“0” Fixed)

9

5.5 Parameter Setting Mode

The parameter setting mode is used to set various settings relating to control, to change various alarm settings and also to set the setting
change rate limiter and us ed/unused channels . Setti ng items bel onging to the parameter setti ng mode correspond t o the multi -memory
area functions and can be stored up to eight memories. Press the SET key for 2 seconds with state of PV/SV monitor mode, SV setting &
CT monitor mode, or setup setting mode to shift to this mode. The UP, DOWN or <R/S key is used to change the numeric value, and the
SET key is used to change the parameter as well as to register the numeric value.

Description of each parameter

!"

Control loop break alarm ( LBA)

PVCH

SVAREA

Control loop break alarm deadband ( LBD)

PVCH

SVAREA

Alarm 1 (ALM1)

PVCH

SVAREA

Monitors measured val ue variations and also s ets the time to detect any abnormal control loop.
Displayed only for when the LBA i s selected as alar m 1.
Setting range: 0.1 to 200. 0 minutes OFF: LBA function OFF
Factory set value: 8.0 minut es

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

We recommend that the set value of LBA be twi ce the value of the integral time (I).

•

If the autotuning function is used, the LBA setting time twice as large as the int egral time is
automatically set.

Set the area of not outputting LBA. Displayed only for when the LBA is selected as alarm 1.
Setting range: 0 to span (0: LBD OFF)
Factory set value: Temperature input 0 °C [°F] or 0.0 °C [°F] Voltage input 0.0 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Set the ALM1 set value. Displayed when any one of the deviation, pr ocess and SV alarms is
selected as the alarm 1.
Setting range: Process alarm, SV alarm: Same as input range

Deviation alarm: -span to +span (Within -1999 to +9999 digits)

Factory set value: Temperature input 50 °C [°F] or 50.0 °C [°F] Voltage input 5.0 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Not displayed when FAIL alarm or control loop break alarm is selected for alarm 1.

•

Alarm 2 (ALM2)

PVCH

SVAREA

(Option)

Alarm 3 (ALM3)

PVCH

SVAREA

(Option)

Proportional band (P)

PVCH

SVAREA

Integral time (I)

PVCH

SVAREA

Set the ALM2 set value. Displayed when any one of the deviation, pr ocess and SV alarms is
selected as the alarm 2.
Setting range: Process alarm, SV alarm: Same as input range

Deviation alarm: - span to +span (Within -1999 to +9999 digit s)

Factory set value: Temperature input 50 °C [°F] or 50.0 °C [°F] Voltage input 5.0 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Not displayed when FAIL alarm or heater break alarm is selected for alarm 2.

•

Set the ALM3 set value. Displayed when any one of the deviation, pr ocess and SV alarms is
selected as the alarm 3.
Setting range: Process alarm, SV alarm: Same as input range

Deviation alarm: - span to +span (Within -1999 to +9999 digit s)

Factory set value: Temperature input 50 °C [°F] or 50.0 °C [°F] Voltage input 5.0 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

Not displayed when FAIL alarm is selected for alarm 3.

•

Set the proportional band for the P control, PI control or PD control.
For heat/cool PID ac tion: Proportional band setting on the heat-side.
Setting range: 0 (0.0) to span (However, 9999 digi ts or less)
Factory set value: Temperature input 30 °C [°F] or 30.0 °C [°F] Voltage input 3.0 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

ON/OFF action when set to 0 (0.0).

•

Set the time of integral action which eliminates the offs et occurring in pr oportional control.
Setting range: 1 to 3600 seconds OFF (0 second) : Integral action OFF (PD action)
Factory set value: 240 sec onds

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

10

(A)

Continued on the next page.

IMR01H01-E4

Continued from the previous page.

(A)

Derivative time ( D )

PVCH

Set the time of derivative action which prevents ripples by predi cting output changes and thus improves
control stability.

SVAREA

Setting range: 1 to 3600 seconds OFF (0 second): Derivative action OFF (PI action)
Factory set value: 60 sec onds

Anti-reset windup

PVCH

In order to prevent an over shoot caused by the integral effect, sets the value to rest rict the effective
range of integral ac tion.

SVAREA

Setting range: 0 to 100 % of proportional band (0: Integral action OFF)
Factory set value: 100 %

Cool-side proportional band

PVCH

Displayed only for heat/cool PID control. Set the cool-side proportional band for the heat/cool PID
control.

SVAREA

Setting range: 1 to 1000 % of heat-side proporti onal band
Factory set value: 100 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

[Correspond to only MA900]

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

In case of MA901, this setting item is not provided.

•

Overlap/deadband

PVCH

SVAREA

[Correspond to only MA900]

Setting change rate limiter

PVCH

SVAREA

Displayed only for heat/cool PID control. Set the deadband between the heat-side proportional band and
the cool-side proportional band.
Setting range: -s pan to +span (Within -1999 to +9999 digits )
Factory set value: Temperature input 0 °C [°F] or 0.0 °C [°F] Voltage input 0.0 %

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

In case of MA901, this setting item is not provided.

•

Minus (-) setting results in overlap.

•

SV

DB

Cool-side
proportional band

Cool-side output
value

Temperature

OL: Overlap
DB: Deadband

Manipulated output (MV)

100 %

Heat-side output
value

0 %

Heat-side
proportional band

(In proportional control)

OL

Set the amount of set value (SV) change per 1 minute when the SV is changed.
Setting range: 0 (0.1) to span/min. OFF: Setting change rate limiter OFF
Factory set value: OFF

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

The set value (SV) while the setting change rate limiter can be chec ked in PV/SV monitor

•

mode.
When the power i s turned on or the operation is changed from STOP to RUN, the setting

•

change rate limiter functions towar d the set value (SV) from the measured value (PV) when
started.
If the autotuning (AT) function is ac tivated while the setting change rate limiter functions, PID

•

control conti nues until the limiter completes it s functioning, and the AT function is act ivated
after the limiter completes its functioning.

Used/unused of channels

PVCH

SVAREA

Return to first parameter setting item.

IMR01H01-E4

Select the used or unused of each channel for each memory area.
Setting range: (oFF): Unused (MonI): Used for only alarm

(ConT): Used for control and alarm

Factory set value: ConT

No setting can be changed when “1 (Lock)” is selected by the lock level 1.

•

During display scanning, each unused channel is skipped. When the channel number is

•

selected by the CH key, any unused channel is dis played.

11

5.6 Setting Procedure

5.6.1 Usual setting (Setting f or each channel)

Some examples of changing the set value (SV) are described in the following. The same setting procedure applies when other
parameters are also set.

When the SV is changed

!"

When CH1 set val ue (SV) of the control area 1 is change from 0

C to 300 °C:

°

Press the SET key in PV/SV monitor

1.

PVCH

mode state to transfer to SV setting &
CT monitor mode.

Press the <R/S key t o light brightl y

2.

SVAREA

PVCH

the hundreds digit. The brightly lit
digit indicates which digit can be

SVAREA

set.
Every time the <R/S key is pressed,

the brightly lit digit moves as follows.

AREA SV

Press the UP key to change to 3.

3.

Bright lighting

PVCH

SVAREA

When another area set value (SV) is changed without

!"

changing control area

When changing the set value (SV) cor responding to channel 2 in
memory area 3 from 150 °C to 100 °C with the memory area set
to memory area 1:

Press the SET key in PV/SV monitor

1.

PVCH

mode state to transfer to SV setting &
CT monitor mode.

Press the <R/S key t o light brightl y

2.

the AREA display. The brightly lit
digit indicates which digit can be

SVAREA

PVCH

SVAREA

set.
Every time the <R/S key is pressed,

Bright lighting

the brightly lit digit moves as follows.

AREA SV

Press the UP key to change to 3.

3.

PVCH

The SV display shows the channel 1
set value (SV) of the memory area

SVAREA

number 3. Also, the number of AREA
display flashes.

Flashing

Press the SET key to register the

4.

value thus set. The di splay changes
to the next parameter (Memory area

PVCH

SVAREA

transfer display).

The following is also available when changing the set
value.

Set value increase ( When 199 °C is changed to 200 °C):

!"

Press the <R/S key to light brightly t he least significant digit.

1.

Press the UP key to change to 0.

2.

The display changes to

PV

SV

Set value decrease (When 200 °C is changed to 190 °C):

!"

Press the <R/S key to light brightly t he tens digit.

1.

Press the DOWN key to change to 9.

2.

The display changes to

PV

SV

Minus (-) value setting (When 200 °C is changed to -100 °C):

!"

Press the <R/S key to light brightly t he hundreds digit.

1.

Press the DOWN key (three times) to change to -1.

2.

The display changes to

PV

SV

200

190

-100.

.

PV

SV

.

PV

SV

PV

SV

Press the CH key to change to 2.

4.

The SV display shows the channel 2
set value (SV) of the memory area
number 3.

Press the DOWN key to change to

5.

0

in the tens digit.

Press the SET key to register the

6.

value thus set. The dis play changes
to the next parameter (Memory area
transfer display).

The changed set value is registered by pressing the SET
key or also at the time when any of the following key
operations is performed.

When the channel number is changed by the CH key

•

When the memory ar ea number is changed

•

PVCH

SVAREA

Flashing

PVCH

SVAREA

Flashing

PVCH

SVAREA

12

IMR01H01-E4

5.6.2 Batch setting (All channels batch setting)

The parameters select ed from one memory area and cor r espondi ng to all of the channel s c an be si mult aneous ly set as the s ame val ue.
The set values (SV) as well as the parameters set for each channel can be simultaneously set. Some examples of changing the set value
(SV) simultaneous ly are described in t he following. The same sett ing procedure applies when ot her parameters for each channel are
also set.

When the SV is changed in batch setting

!"

When all s et value (SV) of the c ontrol area (memory area 1) is
change from 0 °C to 300 °C:

Press the SET key in PV/SV monitor

1.

PVCH

mode state to transfer to SV setting &
CT monitor mode.

Press the CH key. Display the

2.

SVAREA

PVCH

character A on the CH display and
“----“ on the SV display. The

SVAREA

character A indicates that the bat ch
setting.

Every time the CH key is pressed, the channel number
changes as follows .

Press the <R/S k ey to light bright ly

3.

PVCH

the hundreds digit.

SVAREA

Bright lighting

The set values (SV) in other memory areas are

!"

simultaneously set to the same value without
changing the control area

When changing t he set values (SV) correspondi ng to all of the
channels in memory area 2 fr om 0 °C to 300 °C with the control
area corresponding t o memory area 1:

Press the SET key in PV/SV monitor

1.

PVCH

mode state to transfer to SV setting &
CT monitor mode.

Press the CH key. Display the

2.

SVAREA

PVCH

character A on the CH display and
“----“ on the SV display. The

SVAREA

character A indicates t hat the batc h
setting.

Every time the CH key is pressed, the channel number
changes as follows .

Press the <R/S key t o light brightl y

3.

PVCH

the AREA display.

SVAREA

Bright lighting

Press the UP key to change to

4.

Press the SET key. The value thus

5.

set is regist ered simultaneously for
all of the channels. The display
changes to the next parameter
(Memory area transfer).

3.

PVCH

Press the UP key to change to 2.

4.

PVCH

The number of AREA display flashes.

SVAREA

PVCH

Press the <R/S key t o light brightl y

5.

SVAREA

Flashing

PVCH

the hundreds digit.

SVAREA

Press the UP key to change to 3.

6.

Press the SET key. The value thus

7.

SVAREA

Bright lighting

PVCH

SVAREA

PVCH

set is regist ered simultaneously for
all of the channels. The display

SVAREA

changes to the next parameter
(Memory area transfer).

The set value (SV) corresponding to any unused channel is also subjected to the batch setting.
For details of s hifting, see page 12.

IMR01H01-E4

13

6. OPERATION

This chapter describes instrument operation, the inst rument operation, RUN/STOP transfer, and control area transfer, etc.

6.1 Power ON

After power on, this instrument st arts control in about 4 seconds.

When a power failur e of more than 30 ms occurs, t he
instrument assumes that the power has been turned off.
When power ret urn, the ins trument per forms t he same
operation as that at the time of power on.

6.2 Change of the Set Value (SV)

To change the set value (SV) , set the instrument to SV

•

setting & CT monitor mode.

5.1 Operation Flowchart of Mode (P. 6),

5.6 Setting Procedure (P. 12)

The set values (SV) corresponding to all of the channels

•

within the same control area can be simultaneously set as the
same value.

5.6.2 Batch setting (P. 13)

The set values (SV) i n other memory areas can be changed

•

without changing the c ontrol area.

5.6.1 Usual setting (P. 12), 5.6.2 Batch setting (P. 13)

While t he set value (SV) is locked by Lock Level 1, no s et

•

value (SV) can be changed.

5.4 Setup Setting Mode (P. 8)

When the contact input state is RUN mode,
RUN/STOP can be selected by k ey operation.

Only key operation is in the STOP mode.

:

Only contact input is in the STOP mode.

:

Both key operation and contact input are in

:

the STOP mode.

Conditions when changed to STOP mode:

Control:

•

Alarm:

•

AT:

•

RUN/STOP transfer by key operation

$"

$"

$"$"

OFF
OFF
Cancel (The PID constants are not updated)

When changing RUN t o STOP in the state without RUN/STOP
transfer by contact input.

PVCH

Press the <R/S key for 1 s econd

1.

in PV/SV monitor mode.

SVAREA

RUN state

PVCH

The mode is changed to STOP

2.

from RUN. The PV display

SVAREA

shows the character s of showi ng
the relevant STOP state.

STOP state

6.3 Transfer of RUN/STOP

RUN/STOP can be selected by contact input (option) or
communication (option) other than the key operation. In addition,
at STOP the key operation and contact state are displayed on
the PV display. Relationships between key operation,
RUN/STOP and the characters to indic ate the STOP state are
shown in the followi ng. When the RUN/ STOP is transfer red by
communication, see t he

(IMR01H02-E

RUN/STOP
with Key
Operation

).

####

After the cont act is clos ed, it takes a short time* until
the action of this device is actually selected. Therefore,
pay attention to thi s delay time if the device is used
together with a sequenc er, etc.

0.5 seconds (shortest)

*

Communication Instruction Manual

RUN/STOP with Contact Input

RUN

(Contact closed)

STOP

(Contact open)

RUN RUN STOP

STOP

is not

displayed

STOP STOP STOP

(KSTP) (SToP)

(dSTP)

Also when changing from STOP to RUN, press the <R/S
key for 1 second whil e on the PV/SV monitor display.

No RUN/STOP transfer by k ey oper ati on c an be made
when “1 (Lock)” is selected by the l ock level 2.

RUN/STOP transfer by contact input (Option)

$"

RUN/STOP can be selected according to the open or closed
state of the terminal numbers 37 and 38.

37

RUN/STOP

38

Terminal No. RUN STOP

37 - 38

Contact closed Contact open

After the cont act is clos ed, it takes a short time* until
the action of this device is actually selected. Therefore,
pay attention to thi s delay time if the device is used
together with a sequenc er, etc.

0.5 seconds (shortest)

*

14

Only

is displayed at the time of STOP in the

SToP

state without RUN/STOP transfer by contact input.

IMR01H01-E4

6.4 Transfer of Control Area

The memory area used for this control (control area) can be
selected by contact input (option) or communication (option)
other than the key operation. The memory area transfer by
contact input and the key operation is shown in t he following.
When the memory area is transferr ed by communication, see
the

Communication Instruct ion Manual (IMR01H02-E!).

Control area transfer by key operation

"#

When the cont rol ar ea is c hanged from memor y area number
1 to 3.

PVCH

SVAREA

Press the SET key in PV/SV

1.

monitor mode state to transfer
to SV setting & CT monitor
mode.

6.5 Autotuning (AT)

The AT function automatical ly measures, computes and sets the
optimum PID and LBA constant s. If the AT funct ion is activated,
the optimum PID const ants concerning the s et value (SV) in the
control area and the LBA sett ing time can be automatically set
(Limit cycl e system is adopted) . This functi on is act ivated power ­ON, during temperature rise and/or when control is stabilized from
any process stat e. The result obtained by AT is r eflected to the
parameters (P, I , D and LBA) of the parameter setting mode.

AT start

"#

Start AT when all foll owing conditions are s atisfied:

$#

Prior to star ti ng the AT, end all t he par ameter s ett ings ot her

-

than PID and LBA.
Both the lock l evel 1 and the lock level 2 should be set to

-

0000

．

RUN/STOP is in the RUN mode.

-

PVCH

SVAREA

PVCH

SVAREA

PVCH

SVAREA

Press the SET key to change

2.

the display to

(memory

ArE

area transfer di splay).

Press the UP key to change to 3.

3.

Press the SET key to register

4.

the value thus set. The AREA
display shows the memor y area
number 3. (The figure at left
shows the curr ent transformer 1
monitor display)

For memory area numbers, the number changed last is
effective.

The memory area number (contr ol area) can be
changed at either RUN or STOP.

Control area transfer by contact input (Option)

"#

The control area can be selec ted ac c or ding t o the open or c l ose
state of the terminal numbers 39 to 43. The memory area
number is selected acc ording to the open or close stat e of the
terminal number 39 to 42, and the selected memory area
number is registered when the t erminal number 39 and 43 (DI
SET) changes from the open state to the close state.

$#

Procedure:

PVCH

Change the mode to the setup

1.

setting mode to show the

SVAREA

execution of autotuning (AT)
display.

PVCH

Press the UP key to change to

2.

on.

SVAREA

Press the SET key.

3.

After this function is executed,
the autotuning lamp flashes.

When the AT is finished, the execution of autotuning
(AT) will automatically return to show

(AT lamp

oFF

OFF).

AT cancellation

"#

The AT is canceled if any of the following conditions exist:

When the SV is changed

•

When the PV bias value is changed

•

When the PV becomes abnormal when burnout occurs

•

When the AT does not end in nine hours after AT started

•

When the power i s turned off

•

When the RUN/STOP is changed to the STOP mode

•

When a power fai lure longer than 30 ms occ urs

•

When the control area is changed

•

39

DI1

40

DI2

41

DI4

42

DI SET

43

After the contact is closed, it takes a short time* until
the action of this device is ac tually selected. Therefore,
pay attention to this delay time if the device is used
together with a sequenc er, etc.

S

*

terminals are closed.

IMR01H01-E4

Terminal

No.

39 - 40
39 - 41
39 - 42

elect the area in a period 0.5 seconds after the DI SET

Memory area number

12345678

×−×−×−×−
××−−××−−
××××−−−−

: Contact open−: Contact closed

×

If the AT is canceled, the controller immediately
changes to PID control. The PID and LBA constants will
be the same as before AT was activated.

When AT is competed, the controller immediately
changes to PID control. If the control system does not
allow the AT cycling process, do not use AT and set
each PID constant t o meet the needs of the application.

15

7. FUNCTIONS

This chapter describes an outline of function of MA900/MA901.

7.1 PV Bias Function

The value set in the PV bias is added to t he input value (act ual
measured value) to c orr ec t t he input val ue. The PV bias i s us ed
to correct t he individual vari ations i n the sensors or when there
is difference between the measured values (PV) of other
instruments.

5.4 Setup Setting Mode (P. 8)

7.2 Digital Filter Function

This is a software filter which reduces input value variations
caused by noise. If the time constant of this filter is set
appropriately to match the characteristics of the controlled
object and the noise level, the effects of input noise can be
suppressed. However, i f the t ime cons tant i s too s mall , the f ilt er
may not be effective, whi le i f t he ti me c onst ant is t oo lar ge, t hen
the input response may actually deteriorat e.

5.4 Setup Setting Mode (P. 8)

7.3 Multi-Memory Area Function

This function is to store the paramet ers such as temperature set
value (SV), etc. in up to 8 memories . The paramet ers whi ch c an
be stored as one of memories are set value (SV), alarm 1, alarm
2, alarm 3, propor tional band, integral time, derivati ve time, anti­reset windup, cool-side proportional band, overlap/deadband,
setting change rate limiter and use/unused of channels. The
parameters stored in one of 8 memories retrieved at nec essity
and used for contr ol. The memory area used for this control is
called the contr ol area.

5.3 SV Setti ng & CT Monitor Mode (P. 7 ) ,

5.5 Parameter Setting Mode (P. 10)

Memory area

6

5

4

3

2

1

These setting items can not be set in MA901.

＊

Control area

Set value (SV)

8

Control loop break alarm

7

Control loop break alarm deadband
Alarm
Alarm
Alarm
Proportional band
Integral time
Derivative time
Anti-reset windup
Cool-side proportional band *
Overlap/deadband *
Setting change rate limiter
Use/unused of channels

Parameter CH1 CH2 CH3 CH4

1
2
3

7.5 Scan Display Function

The scan display function is for automatically selecting the
PV/SV monitor at the scan int erval time for the measured values
(PV) and set values ( SV) corresponding to all of the c hannels
within the control area. This function enables the control trend of
each channel to be checked.

The transfer speed of t he scan dis play is set wi th the i nterval

•

time of setup setting mode (P. 9).
Use the CH key to s top or st art of t he scan dis play funct ion.

•

The CH key operation is as follows.

Press the CH key for 2 sec Scan s tart.
Press the CH key Scan stop.

The channel number can be
changed like 1→2→3→4→1
during scan stopping.*

* In case of MA901:
1→2→3→4→5→6→7→8→1

During display scanning, each unused channel is skipped.

•

The unused channel means the channel set to
used/unused channels of the parameter setting mode.

When the channel number is manually changed, both PV and

•

SV corresponding to any unused channel are also scan­displayed.

The scan display can be made even at any of RUN and STOP.

•

Scanning display examples:

When scanni ng PV/ SV c or res pondi ng to c hannel 1 t o c hannel 4
in the control ar ea 1 at 2 seconds intervals:

AREA

AREA

CH

PV

Press the CH
key for 2 sec.

SV

CH

PV

SV

2 sec

AREA

AREA

CH

PV

SV

CH

PV

SV

･･･

･･･

in

oFF

2 sec2 sec

7.4 Setting Change Rate Limiter Function

The setting change rate limiter functions so as to change the set
value (SV) gradually towar d the set value after bei ng changed.
This limiter set s how much the set val ue is changed upward or
downward per minute.

5.5 Parameter Setting Mode (P. 10)

Example:

<Increasing set value to higher value>

SV

SV

[After change]

SV

[Before change]

Increase
gradually

Change set value at
this point

16

<Decreasing set value to lower value>

SV

[Before change]

[After change]

Time

SV

SV

Change set value at
this point

Decrease
gradually

Time

When scanni ng PV/ SV c or res pondi ng to c hannel 1 t o c hannel 4
(channel 3: unused c hannel) in the control ar ea 1 at 2 sec onds
intervals:

AREA

CH

PV

Press the CH
key for 2 sec.

SVAREA

PVCH

SV

CH

PV

SVAREA

2 sec2 sec

IMR01H01-E4

7.6 Batch Setting Function

The batch setting f unction enables the set ting of the parameters
selected within one memory area simultaneously to the same
value for all of the c hannels. The set val ues (SV) as well as the
parameters set f or each channel can be simultaneously set.

5.6.2 Batch setting (P. 13)

The set value (SV) corresponding to any unused channel
is also subjected to the batch setting.

All channels of all memory area can not be
simultaneously s et as the same value.

7.7 Alarm Function

Alarm function s ets up the alarm state when the measured value
(PV) or the deviation reaches the alarm s et values. In the alarm
state, the al arm output is output, and the alarms are used to drive
the equipment danger signals or the safety equipment.

The output specifi cations are the rel ay contact output.

•

The alarm output conditi on can be determined by the type of

•

alarm action
value

1

Specify when ordering

2

Setting item of the parameter sett ing m ode

Alarm action type

"#

Deviation high alarm

*(Alarm status where the alarm set value is set to plus)

Low High

*(Alarm status where the alarm set value is set to minus)

Low High

Deviation low alarm

*(Alarm status where the alarm set value is set to plus)

Low High

*(Alarm status where the alarm set value is set to minus)

Low High

Deviation high/low alarm

Low High

Band alar m

Low High

1

2

, the output destination1 and each alarm set

.

OFF ON

OFF

OFF OFF ON

( : SV : Alarm set value)

ON

OFF ON

OFF ON

OFF ON ON

Alarm differential gap

"#

If measured value (PV) is close to the alarm set value, the alarm
relay contact may repeatedly turn on and off due to input
fluctuations. By the differential gap, repeated turning ON and
OFF of the relay contac t can be prevented.

Low alarm

Low High

ON

High alarm

Low High

Alarm di fferen t ia l gap: Tem perature input 2 (2. 0) °C [°F] Volt age in p ut 2.0 %

Alarm hold action

"#

Differential g ap

Low alarm set v a lue

OFF

(Specify when ordering)

OFF

SV

Differential g ap

ON

High alarm set v a lue SV

This hold action is used to mak e alarm invalid unt il the PV exits
once from the alarm region by ignoring the alarm s tate even if
the PV is in the alarm state when the power is turned on.

The alarm hold action is act ivated when not only the
power is turned on, but also the following conditions

When the RUN/STOP is changed to the RUN mode

•

When the SV is changed

•

When the memory ar ea (control area) i s changed

•

Example:

W ith alarm hold action

Measured value (PV)

SV

Alarm set va lue

Alarm hold area

Alarm status

OFF ON

W ithout alarm hold action

Measured value (PV)

Alarm set va lue

SV

Alarm status

ON

PV

Deviation

Time

PV

Deviation

Time

OFF ON

Process high alarm

Low High

OFF ON

Process low alarm

Low High

ON

OFF

SV high alarm

Low High

OFF ON

SV low alarm

Low High

Alarm output

"#

ON

OFF

The alarm output (fact ory set value) of the alar m 1, alar m 2 and
alarm 3 are as follows.

Alarm 1

OR

output of the alarm 1 in all channels

(Energized)

Alarm 2

(Option)

Alarm 3

(Option)

OR

output of the alarm 2 in all channels

(Energized)

OR

output of the alarm 3 in all channels

(Energized)

IMR01H01-E4

7.8 Heater Break Alarm (HBA) Function

The heater break alarm (HBA) function is used to detect the
current flowing through the load (heater) by using a current
transformer (CT) , to compare the current thus detect ed to the
heater break alarm set value, and thus to produce a heater
break alarm when any of the following causes occurs.

5.3 SV Setti ng & CT Monitor Mode (P. 7 ) ,

5.4 Setup Setting Mode (P. 8)

Occurrence of heater break alarm

"#

When heater current does not flow (Heater break,
malfunction of the cont rol device, etc.):

Alarm is issued when the i nput value of the cur rent transf ormer
is below the heater break alarm set val ue with the control output
turned on. However, no alarm may be normally i s sued when t he
control output i s turned on for less than 2 seconds.

When heater current goes following ( welded relay contact,
etc.):

Alarm is issued when the i nput value of the cur rent transf ormer
is above the heater break alarm set value with the control output
turned off. However, no alarm may be normally issued when the
control output i s turned off for less than 2 seconds.

17

Three-phase heater break alarm function (Z-168) :

A heater break alarm occurs in the following
configuration. The inputs of CT1 and CT5 are
compared with the set values of HBA1 and HBA2,
respectively t o decide heater break or wel ding.
[Corresponding to MA900]

Input Occurrence of alarm Output

CT1 (CH1) HBA1
CT5 (CH1) HBA2
Relationship between CT input and channel number:

The following table shows whic h CT input cor r esponds
to what input channel number and what CT monitor ing
display you can check it with.

Single-phase heater br eak alarm

CH

No.CTinput
CH1 CT1 No.25 to 26 No.37 to 38
CH2 CT2 No.25 to 27 No.37 to 39
CH3 CT3 No.28 to 29 No.40 to 41
CH4 CT4 No.28 to 30 No.40 to 42
CH5 CT5 No.43 to 44
CH6 CT6 No.43 to 45
CH7 CT7 No.46 to 47
CH8 CT8 No.46 to 48

Three-phase heater break alarm (Z-168)

CH

No.CTinput
CH1 CT1 No.25 to 26
CH2 CT2 No.25 to 27
CH3 CT3 No.28 to 29
CH4 CT4 No.28 to 30
CH1 CT5 No.31 to 32
CH2 CT6 No.31 to 33
CH3 CT7 No.34 to 35
CH4 CT8 No.34 to 36

7.9 Control Loop Break Alarm

The control loop break alar m (LBA) functi on is used to detec t a
load (heater) break or a failure in the external ac tuator (magnet
relay, etc.) , or a failure in the control loop caused by an input
(sensor) break. The LBA function is activated when PID
computed value (output ON time/cycle) falls below 0 % or
exceeds 100 %. The time required for the LBA output to tur n on
includes both the ti me from the ini tial occur rence of loop failure
and the LBA setting time.

5.5 Parameter Setting Mode (P. 10)

MA900

Terminal No.

Unused

MA900

Terminal No.

MA901

Terminal No.

MA901

Terminal No.

No function

(LBA)

HBA output

CT monitoring

display

CT monitoring

display

Function

Control loop break alarm deadband (LBD)

"#

"#

"#"#

The control loop break alar m may be produced by dis turbanc es
(other heat sour ces) even i f the contr ol s ystem is not abnor mal.
In such a case, an area in which no alarm is produced can be
set by setting the desired LBD.
When the measured value (PV) is within the LBD area, no alarm
is produced even if all of the conditions to produce the alarm are
satisfied. Therefore, carefully set the LBD.

5.5 Parameter Setting Mode (P. 10)

Alarm area Alarm area

Low High

Cautions for LBA

"#

"#

"#"#

When AT functi on is turned on, the LBA function can not be

•

activated.
No LBA function can be used at heat/cool PID action.

•

If LBA setting time does not match the controlled object

•

requirements, the LBA setting time should be lengthened.
If setting time is not correct, the LBA will malfunction by
turning on or off at inappropriate times or not turning on at all.

The LBA output is tur ned off when any of the foll owing cas es

•

occurs with t he LBA output turned on.

When the measured val ue (PV) ris es beyond (or falls bel ow)

-

the LBA triggering widt h within the LBA setting ti me

When the measured value (PV) is withi n the LBD

-

LBD differential gap

Non-alarm area

A B

SV LBD set value

A: During temperature rise: Alarm area

During temperature fall: Non-alarm area

B: During temperature rise: Non-alarm area

During temperature fall: Alarm area

7.10 Set Data Lock Function

The set data lock func tion permit s lock ing of cr itic al parameter s
and prevents unauthorized personnel from changing parameters.
This instrument has the following two loc k levels. The two loc k
levels can be changed even when the whol e set data is locked.

Lock level to restrict parameter setting changes by key

•

operation (Lock level 1)
Lock level to restr ict RUN/STOP and memory area changes

•

(Lock level 2)

5.4 Setup Setting Mode (P. 8)

Alarm action

"#

Heat control :
LBA triggering width:

Voltage input 2 % fixed

When the PID computed value fall s below 0 %

For direct act ion:

•

This alarm is produced when the measured value (PV) does
not rise beyond the LBA triggering width within the LBA setting
time.
For reverse action:

•

This alarm is produced when the measured value (PV) does
not fall below the LBA t riggering width within the LBA set ting
time.

When the PID computed value exceeds 100 %

For direct act ion:

•

This alarm is produced when the measured value (PV) does
not fall below the LBA t riggering width within the LBA set ting
time.
For reverse action:

•

This alarm is produced when the measured value (PV) does
not rise beyond the LBA triggering width within the LBA setting
time.

Temperature input 2 °C [°F] fixed

:

:

18

7.11 Contact Input Function (Option)

The external contact signal of this instrument can do the
RUN/STOP and the memory area changes.

Transfer of RUN/STOP

"#

"#

"#"#

The RUN or STOP selects by external contact input

6.3 Transfer of RUN/STOP (P. 14)

Transfer of Control Area

"#

The memory area select s by external contac t input. Sel ect one
memory area among memorized 8 memory area and change
memory area.

6.4 Transfer of Control Area (P. 15)

.

IMR01H01-E4

8. ERROR DISPLAYS

f

9. REMOVING THE INTERNAL

Self-diagnostic error

!"

If an error is detected by the self-diagnostic, the PV display
flashes “

,” and the SV displ ay shows the error code. When

Err

two or more errors occur simultaneously, the error code
numbers are totaled and displayed as one number.

Error number

Description

Adjusted data
error

EEPROM error

A/D conversion
error

Board
configuration
error

Watchdog
timer error

When the adjusted data error and A/D conversion error occurs
simultaneously

Flashing

Action (Output)

Contol output:
All the output is
OFF.

Alarm output:
All the output is
OFF.
However, FAIL alarm
is turned off.

The SV display shows the number 5 obtained by adding
1 (Adjusted data error) to 4 (A/D conversion error).

Solution

Turn off the power
once.
If error occurs after
the power is turned
on again, please
contact RKC sales
office or the agent.

ASSEMBLY

Usually, this i nstrument is not neces sary to remove the internal
assembly from the c ase. W hen removing the i nternal as sembly
without disconnecting the external wiring, take the following
steps.

"

"

To prevent electric shock or instrument failure, only

#"

qualified personnel should be allowed to pull out the
internal assembly.

To prevent electric al shock or instr ument failure, always

#"

turn off the power before pulling out the internal assembly.
To prevent injury or i nstrument failure, do not touc h the

#"

internal printed wiring board.

Lock (upper)

!

WARNING

Overscale and Underscale

!"

Measured
value (PV)
is flashing

[Flashing]

[Flashing]

Underscale

PV display

unit

: The range to be displayed differ depending on the input type or the setting limit.

α

Description Display

Input error

PV is outside of input
range.

Overscale

PV is above the high input
display range limit.

Underscale

PV is below the low input
display range limit.

PV flashing

display

α

Input range

Effective input range

(Input range

PV display

＋

Solution

WARNING

!

To prevent electric
shock, always turn of
the power before
replacing the sensor.

Check the sensor or
input lead.

)

α

PV flashing

display

α

Overscale

Recommended tool: Blade screwdriver

Lock (low e r)

Unlock using such a blade screwdriver. Gently press down on
handle for the upper lock and lift up for the lower lock.

B

lade width: 6

mm or less

Apply pressure very c arefully when removing internal
assembly to avoid damage to the frame.

To conform to

IEC61010-1

requirements for protect ion
from electric shock, the internal assembly of this
instrument can only be removed with an appropriate
tool.

IMR01H01-E4

19

10. SPECIFICATIONS

Input

!"

!"

!"!"

Number of inputs:

Thermocouple: Isolated between each input channel
RTD, Voltage: Not isolated between each input channel

Input type:

Thermocouple: K, J, R, S, B, E, T, N, PLII, W5Re/W26Re,

RTD: Pt100, JPt100
Voltage: 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

Input range:
Sampling cycle:
Signal source resistance effect:
Influence of input lead:

Approx. 0.01 %/Ω of reading (10 Ω or less per wire)

Input filter:
PV bias:

Action at input beak:

Thermocouple: Up-scale or downscale (Specify when ordering)
RTD: Up-scale
Voltage: Downscale

Action at input short circuit:

Control action

!"

!"

!"!"

Control method:

ON/OFF, P, PI, or PD actions is available
Heat/cool action is available (Specify when ordering) [Only
MA900]

Control output

!"

Number of outputs:

MA900: 4 points *, 8 points (Heat/cool type) *
MA901: 8 points *
* Not isolated between each output channel

Output type:

Relay contact output250 V AC, 3A ( R esistive load)

Contact type 1a contact
Electrical life300,000 times or more (Rated load)

Voltage pulse output

0/12 V DC (Load resist ance 600 Ω or more)

Current output 0 to 20 mA DC, 4 to 20 mA DC

Triac output 0.5 A (Ambient temperature 40 °C or less)

Performance

!"

Display accuracy:

Thermocouple:

±

RTD:± (0.3 % of display value + 1 digit) or ± 0.8 °C [1.6 °F]
Voltage:± (0.3 % of span + 1 digit)

Insulation resistance:

Between measuring terminal and grounding:
Between power terminal and grounding:

Withstand voltage:

Between measuring terminal and grounding:
1 minute at 1000 V AC
Between power terminal and grounding:

Between power and measuring ter m inals:

Power failure effect:

No influence is exerted upon the instrument for power fail ure
of less than 30 ms.

Memory backup:

Backed up by EEPROM
Number of write times:Approx. 100,000 times
Data storage period: Approx. 10 years

Withi n the value whichever is the greater
Withi n the value whichever is the greater

20 MΩ or more at 500 V DC
20 MΩ or more at 500 V DC

1 minute at 1500 V AC
1 minute at 2300 V AC

MA900: 4 channels MA901: 8 channels

U, L
Input impedance : Approx. 1 M

See

Input range table

MA900: 0.5 seconds MA901: 1 second

First order l ag digital filter
1 to 100 seconds (0: OFF)

±

span (Within -1999 to +9999 digits)

Downscale (RTD)

PID control (With autotuning function)

(Load resistance 600 Ω or less)

(0.3 % of display value + 1 digit) or ± 2 °C [4 °F]

Ω

Approx. 0.2 µV/

Alarm function

!"

!"

!"!"

Number of points:
Alarm type:

Deviation high alarm FAIL alarm
Deviation low alarm Deviation high alarm with hold acti on
Deviation high/low alarm
Deviation low alarm with hold action
Band alarm Deviation high /lo w a larm with hold a ctio n
Process high alarm Process high alarm with hold act ion
Process low alarm Process low alarm with hold action
SV high alarm SV low alarm

Ω

Setting range:

Deviation alarm
Process alarm, SV alarm Same as input range

Differential gap:
Output method:

ALM1 to ALM3:
Contact type 1a contact
Rating 250 V AC, 1A (Resisti ve load)
Electrical life 300,000 times or more (Rat ed load)
OUT5 to OUT8 (MA901 can not be specified):
Contact type 1a contact
Rating 250 V AC, 3A (Resisti ve load)
Electrical life 300,000 times or more (Rat ed load)

Control loop break alarm (LBA) function

!"

LBA time setting:
LBA deadband:

Differential gap Temperature input: 0.8 °C [°F]

Alarm output:

Heater break alarm function (option)

!"

Input:
Heater current display range:

Heater current display accuracy:
Setting range:

Alarm output:

Contact input function (option)

!"

!"

!"!"

Number of inputs:
Input method:

less

Functions:

Communication function (option)

!"

Interface:
Protocol:

Power

!"

!"

!"!"

Power supply voltage:

90 to 264 V AC (Power supply voltage range), 50/60 Hz

21.6 to 26.4 V AC (Power supply voltage range), 50/60 Hz

21.6 to 26.4 V DC (Power supply voltage range)

Power consumption:

14 VA max. (at 100 V AC) 20 VA max. (at 240 V AC)
11 VA max. (at 24 V AC) 330 mA max. (at 24 V AC)

General specifications

!"

Ambient temperature:
Ambient humidity:
Operating environment:

There should be neither c orrosive gases nor much dust

Weight:

Specify when ordering

Current transf ormer (CT) output
CTL-6-P-N: 0 to 30 A, CTL-12-S56-10L-N: 0 to 100 A

Based on RS-232C, RS422A, or RS-485
EIA standard
ANSI X3.28 subcategory 2. 5, A4
Modbus

Rating: 100 to 240 V AC
Rating: 24 V AC
Rating: 24V DC

Approx. 560 g

3 points (Option: 2 points)

±

span (Within -1999 to 9999 digits)

0 to span (However, 9999 digi ts or less)

Relay contact output (Independent common)

0.1 to 200.0 minutes
0 to span (However, 9999 digi ts or less)

Voltage input: 0.8 % of span

LBA can be selected for ALM1

0.0 to 100.0 A

±

Withi n the value whichever is the greater

0.0 to 100.0 A
HBA can be selected for ALM2

5 points
Dry contact input
At open 500 kΩ or more, At close 10 Ω or

RUN/STOP transfer 1 point
Memory area transfer 4 points

0 to 50 °C
45 to 85 % RH (Non-condensing)

5 % of input value or ±2 A

20

IMR01H01-E4

Input range table

!"

!"

!"!"

Thermocouple input and RTD input

#

Type Range Code

0 to 200 °CK01
0 to 400 °CK02
0 to 600 °CK03
0 to 800 °CK04
0 to 1000 °CK05
0 to 1200 °CK06
0 to 1372 °CK07

-199.9 to +300.0 °C

1

0.0 to 400.0 °CK09

0.0 to 800.0 °CK10
0 to 100 °CK13

K

0 to 300 °CK14
0 to 450 °CK17
0 to 500 °CK20

0.0 to 200.0 °CK29

0.0 to 600.0 °CK37

-199.9 to +800.0 °C

1

0 to 800 °FKA1
0 to 1600 °FKA2
0 to 2502 °FKA3

0.0 to 800.0 °FKA4

20 to 70 °FKA9

-199.9 to 999.9 °F

1

0 to 200 °CJ01
0 to 400 °CJ02
0 to 600 °CJ03
0 to 800 °CJ04
0 to 1000 °CJ05

-199.9 to +300.0 °C

J

0 to 1200 °CJ06

1

0.0 to 400.0 °CJ08

0.0 to 800.0 °CJ09
0 to 450 °CJ10

0.0 to 200.0 °CJ22

0.0 to 600.0 °CJ23

-199.9 to +600.0 °C

1

0 to 800 °FJA1
0 to 1600 °FJA2
0 to 2192 °FJA3

-199.9 to 999.9 °F

R

S

B

0 to 400 °FJA6

0.0 to 800.0 °FJB6
0 to 1600 °C
0 to 1769 °C
0 to 1350 °C
0 to 3200 °F
0 to 3216 °F
0 to 1600 °C
0 to 1769 °C
0 to 3200 °F
0 to 3216 °F

400 to 1800 °CB01

0 to 1820 °C

800 to 3200 °FBA1

0 to 3308 °F

1

2
2

2
2
2

2

2
2
2

2

2

*1 R01
*1 R02
*1 R04

*1 RA2
*1 S01
*1 S02

*1 SA2

*1 B02

*1 BA2

0 to 800 °CE01

E

0 to 1000 °CE02
0 to 1600 °FEA1
0 to 1832 °FEA2
0 to 1200 °CN01
0 to 1300 °CN02

N

0.0 to 800.0 °CN06
0 to 2300 °FNA1
0 to 2372 °FNA2

-199.9 to +400.0 °C

-199.9 to +100.0 °C

T

0.0 to 999.9 °FNA5

1

*2 T01

1

*2 T02

-100.0 to +200.0 °CT03

K08

K38

KB2

J07

J30

JA9

RA1

SA1

Thermocouple input and RTD input

#

Type Range Code

0.0 to 350.0 °CT04

-199.9 to +752.0 °F

-100.0 to +200.0 °F *2 TA2

T

1

*2 TA1

-100.0 to +400.0 °FTA3

0.0 to 450.0 °FTA4

0.0 to 752.0 °FTA5

W5Re/

W26Re

0 to 2000 °CW01
0 to 2320 °CW02
0 to 4000 °FWA1
0 to 1300 °CA01
0 to 1390 °CA02

PL II

0 to 1200 °CA03
0 to 2400 °FAA1
0 to 2534 °FAA2

-199.9 to +600.0 °C 1*2 U01

-199.9 to +100.0 °C 1*2 U02

U

0.0 to 400.0 °CU03

-199.9 to +999.9 °F

1

*2 UA1

-100.0 to +200.0 °F *2 UA2

0.0 to 999.9 °FUA3
0 to 400 °CL01

L

0 to 800 °CL02
0 to 800 °FLA1
0 to 1600 °FLA2

-199.9 to +649.0 °CD01

-199.9 to +200.0 °CD02

-100.0 to +50.0 °CD03

-100.0 to +100.0 °CD04

-100.0 to +200.0 °CD05

0.0 to 50.0 °CD06

0.0 to 100.0 °CD07

0.0 to 200.0 °CD08

0.0 to 300.0 °CD09

Pt100

0.0 to 500.0 °CD10

-199.9 to +999.9 °FDA1

-199.9 to +400.0 °FDA2

-199.9 to +200.0 °FDA3

-100.0 to +100.0 °FDA4

-100.0 to +300.0 °FDA5

0.0 to 100.0 °FDA6

0.0 to 200.0 °FDA7

0.0 to 400.0 °FDA8

0.0 to 500.0 °FDA9

-199.9 to +649.0 °CP01

-199.9 to +200.0 °CP02

-100.0 to +50.0 °CP03

-100.0 to +100.0 °CP04

JPt100

-100.0 to +200.0 °CP05

0.0 to 50.0 °CP06

0.0 to 100.0 °CP07

0.0 to 200.0 °CP08

0.0 to 300.0 °CP09

0.0 to 500.0 °CP10

1

Accuracy is not guaranteed between -199.9 to -100.0 °C
(-199.9 to -148.0 °F)

2

Accuracy is not guaranteed between 0 to 399 °C (0 to 751 °F)

Voltage input

#

Type Range Code

0 to 5 V DC 0.0 to 100.0 % 4 01
0 to 10 V DC 0.0 to 100.0 % 5 01
1 to 5 V DC 0.0 to 100.0 % 6 01

IMR01H01-E4

21

Memory Area Data List

(Copy this sheet for its use.)

Sheet No. Date: Name:

Memory
area No.

ItemDisplay

Set value (SV)
Control loop break alarm
Control loop break alarm deadband
Alarm 1
Alarm 2
Alarm 3
Proportional band
Integral time
Derivative time
Anti-reset windup

CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8

Set value

Memory
area No.

Cool-side proportional band
Overlap/deadband
Setting changing rate limiter
Used/unused of channels

ItemDisplay

Set value (SV)
Control loop break alarm
Control loop break alarm deadband
Alarm 1
Alarm 2
Alarm 3
Proportional band
Integral time
Derivative time

Set value

CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8

Anti-reset windup
Cool-side proportional band
Overlap/deadband
Setting changing rate limiter
Used/unused of channels

The first edition: APR.2001
The fourth edition: JUL.2002 [IMQ00]

HEADQUARTERS: 16-6, KUGAHARA 5-CHOME, OHTA-KU TOKYO 146-8515 JAPAN

RKC INSTRUMENT INC.

®

PHONE:[phone] ([phone]) E-mail: info@rkcinst. co.jp
FAX: [phone] ([phone])

JUL. 2002 IMR01H01-E4