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IMR01H01-E4

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MA901

 

(9) Input 

3, 4

 

RTD 

RTD1 

15 

14 

13 

RTD2 

18 

17 

16 

RTD3 

21 

20 

19 

RTD4 

24 

23 

22 

Thermocouple 

TC1 

15 

14 

TC2 

18 

17 

TC3 

21 

20

TC4 

24 

23

Voltage 

15 

14 

IN1 

18 

17 

IN2 

21 

20 

IN3 

24 

23 

IN4 

(1) Power   

24 V 

DC 

100-240 V 

AC L 

 (Option) 

(6) Contact input 

RUN/STOP 

Memory area 

transfer 

40 

39 

DI2 

DI1 

DI4 

42 

41 

43 

DI SET 

(5) Alarm output 

Relay contact 

49 

50 

ALM2 

NO 

(Option) 

51 

52 

ALM3 

NO 

Relay contact 

(2) Alarm output   

ALM1 

NO 

(NO: Normally Open) 

24 V 

AC L 

38 

37 

DI 

(3) Output 1 

1

 

Relay contact 

NO 

OUT1 

NO 

OUT2 

NO 

OUT3 

10 

NO 

OUT4 

12 

11 

Triac 

SSR 

OUT1 

SSR 

OUT2 

SSR 

OUT3 

10 

SSR 

OUT4 

12 

11 

Voltage pulse/ 

Current 

OUT1 

OUT2 

OUT3 

10 

OUT4 

12 

11 

(7) Communication (option) 

(4) Output 2 

1

 

Relay contact 

NO 

OUT5 

54 

53 

NO 

OUT6 

56 

55 

NO 

OUT7 

58 

57 

NO 

OUT8 

60 

59 

Triac 

SSR 

OUT5 

54 

53 

SSR 

OUT6 

56 

55 

SSR 

OUT7 

58 

57 

SSR 

OUT8 

60 

59 

Voltage pulse/ 

Current 

OUT5 

54 

53 

OUT6 

56 

55 

OUT7 

58 

57 

OUT8 

60 

59 

Input terminals (TC1 to TC8, RTD1 to RTD8, IN1 to IN8) 
correspond to channel numbers 1 to 8 (CH1 to CH8). 

39 

38 

37 

42 

41 

40 

45 

44 

43 

48 

47 

46 

CT2 

CT1 

CT4 

CT3 

CT6 

CT5 

CT8 

CT7 

(Option) 

RS-232C 

RD 

SD 

SG 

46 

45 

44 

RS-485 

T/R (B) 

T/R (A) 

SG 

46 

45 

44 

RS-422A 

R (A) 

T (A) 

SG 

47 

45 

44 

R (B) 

48 

T (B) 

46 

(8) CT input 

2

 

(10) Input 

2, 3

 

RTD 

RTD5 

27 

26 

25 

RTD6 

30 

29 

28 

RTD7 

33 

32 

31 

RTD8 

36 

35 

34 

Thermocouple 

TC5 

27 

26

TC6 

30 

29 

TC7 

33 

32 

TC8 

36 

35 

Voltage 

27 

26 

IN5 

30 

29 

IN6 

33 

32 

IN7 

36 

35 

IN8 

37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 

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

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

49 
50 
51 
52 
53 
54 
55 
56 
57 
58 
59 
60 









10 
11 
12 

37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 

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

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

49 
50 
51 
52 
53 
54 
55 
56 
57 
58 
59 
60 









10 
11 
12 

(1) 

(2) 

(3) 

(1) 

(2) 

(3) 

(5) 

(4) 

(6) 

(7) 

(10) 

(9) 

With communication or contact 
input function 

(5) 

(10)  (9) 

(8) 

(4) 

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

With heater break alarm function 

Not isolated between each channel. 

Relationship between CT input and channel number, see   
7.8 Heater Break Alarm (HBA) Function. (P.18) 

4. PARTS DESCRIPTION

This chapter describes various display units and the key functions.

 

CH

 

OUT3

 

OUT2

 

OUT1

 

OUT4

 

R/S

 

SET

 

OUT5

 

OUT6

 

OUT7

 

OUT8

 

AT

 

ALM1

 

ALM2

 

ALM3

 

MA900

 

PV

 

CH

 

SV

 

AREA

 

Memory area 
display 

Channel (CH) 
display 

UP key 

Channel key 

Indication 
lamp 

Set value 
(SV) display 

Measured 
value (PV)   
display 

Shift & R/S key 

DOWN key 

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.

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 calling up and set
value registration.

Up key

Increase numerals.

DOWN key

Decrease numerals

T

he avoid damage to the instrument,

never use a sharp object to press
keys.

Содержание MA900 Series

Страница 1: ...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 instrument failure or incorrect action The power must be turned off before repairing work for input br...

Страница 2: ...arm G Deviation high low alarm 4 W SV low alarm H Process high alarm 8 Alarm 2 option 3 N No alarm J Process low alarm A Deviation high alarm K Process high alarm 4 B Deviation low alarm L Process low alarm 4 C Deviation high low alarm M FAIL alarm D Band alarm P Heater break alarm CTL6P 5 6 E Deviation high alarm 4 S Heater break alarm CTL12 5 6 F Deviation low alarm 4 V SV high alarm G Deviation...

Страница 3: ...8 1 91 8 Mounting bracket 96 96 Unit mm Rubber option Up to 4 mounting brackets can be used Panel cutout For mounting of the MA900 MA901 panel thickness must be between 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 c...

Страница 4: ...size M3 6 Recommended tightening torque 0 4 N m 4 kgf cm 3 2 Terminal Configuration MA900 9 Input 3 4 RTD RTD1 B B A 15 14 13 RTD2 B B A 18 17 16 RTD3 B B A 21 20 19 RTD4 B B A 24 23 22 Thermocouple TC1 15 14 TC2 18 17 TC3 21 20 TC4 24 23 Voltage 15 14 IN1 18 17 IN2 21 20 IN3 24 23 IN4 1 Power Option 6 Contact input RUN STOP Memory area transfer 40 39 DI2 DI1 DI4 42 41 43 DI SET 5 Alarm output Rel...

Страница 5: ...8 59 60 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 1 2 3 5 4 6 7 10 9 With communication or contact input function 5 10 9 8 4 3 RTD and voltage inputs Not isolated between each input channel With heater break alarm function 1 Not isolated between each channel 2 Relationship between CT input and channel number see 7 8 Heater Break Alarm HBA Function P 18 4 PARTS DESCRIPTION This chapter describes various dis...

Страница 6: ...channels SET key SET key SET key SET key SET key SET key SET key SET key SET key SET key SET key SET key SET key LbA Lbd AL1 AL2 AL3 P I d Ar Pc db SVrL CH E SV Setting CT Monitor Mode P 7 To PV SV monitor mode SET key Set value SV setting Memory area transfer Current transformer 1 monitor Current transformer 2 monitor SET key SET key SET key SV ArE CT1 CT2 Press the R S key while pressing the SET...

Страница 7: ...ge 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 corresponding to all of the channels within the same control area can be simultaneously set as the same value No setting can be changed when 1 Lock is selected by the lock level 1 Memory area transfer Selects the memo...

Страница 8: ...eferring to monitor value from the current transformer 2 Used only for three phase Displayed only for when the heater break alarm Z 168 is selected as alarm 2 Setting range 0 0 to 100 0 A OFF HBA2 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 HBA2 set value to a value about 85 of current transfo...

Страница 9: ...an be changed when 1 Lock is selected by the lock level 1 Only the relevant parameter corresponding to the cannel set to MonI or ConT in used unused channels of the parameter setting mode can be scan displayed Lock level 1 Set to the control area now in operation to restrict parameter setting changes by the key operation Setting range 1 Items other than SV and alarms ALM1 to ALM3 0 Unlock 1 Lock 2...

Страница 10: ...99 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 Set the ALM2 set value Displayed when any one of the deviation process and SV alarms is selected as the alarm 2 Setting range Process alarm SV alarm Sam...

Страница 11: ...he lock level 1 In case of MA901 this setting item is not provided Minus setting results in overlap Setting change rate limiter 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 cha...

Страница 12: ...2 Press the DOWN key three times to change to 1 The display changes to 100 When another area set value SV is changed without changing control area When changing the set value SV corresponding to channel 2 in memory area 3 from 150 C to 100 C with the memory area set to memory area 1 1 Press the SET key in PV SV monitor mode state to transfer to SV setting CT monitor mode 2 Press the R S key to lig...

Страница 13: ...ory area transfer The set values SV in other memory areas are simultaneously set to the same value without changing the control area When changing the set values SV corresponding to all of the channels in memory area 2 from 0 C to 300 C with the control area corresponding to memory area 1 1 Press the SET key in PV SV monitor mode state to transfer to SV setting CT monitor mode 2 Press the CH key D...

Страница 14: ...n RUN STOP RUN RUN STOP with Key Operation STOP is not displayed dSTP STOP STOP STOP KSTP SToP After the contact is closed it takes a short time until the action of this device is actually selected Therefore pay attention to this delay time if the device is used together with a sequencer etc 0 5 seconds shortest Only SToP is displayed at the time of STOP in the state without RUN STOP transfer by c...

Страница 15: ...otuning AT The AT function automatically measures computes and sets the optimum PID and LBA constants If the AT function is activated the optimum PID constants concerning the set value SV in the control area and the LBA setting time can be automatically set Limit cycle system is adopted This function is activated power ON during temperature rise and or when control is stabilized from any process s...

Страница 16: ...g items can not be set in MA901 7 4 Setting Change Rate Limiter Function The setting change rate limiter functions so as to change the set value SV gradually toward the set value after being changed This limiter sets how much the set value is changed upward or downward per minute 5 5 Parameter Setting Mode P 10 Example 7 5 Scan Display Function The scan display function is for automatically select...

Страница 17: ... 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 contact can be prevented Alarm differential gap Temperature input 2 2 0 C F Voltage input 2 0 Low alarm Low High OFF ON Differential gap Low alarm set value SV High alarm Low High OFF ON High alarm set value SV Differential gap Alarm hol...

Страница 18: ...ering width within the LBA setting 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 Control loop break alarm deadband LBD The control loop break alarm may be produced by disturbances other heat sources even if the control system is not abnormal In such a case an area in which no alarm is produced can...

Страница 19: ...tric shock always turn off the power before replacing the sensor WARNING Flashing Flashing PV display Input range Effective input range Input range α α The range to be displayed differ depending on the input type or the setting limit α PV flashing display PV display unit Overscale Underscale α PV flashing display 9 REMOVING THE INTERNAL ASSEMBLY Usually this instrument is not necessary to remove t...

Страница 20: ...00 times Data storage period Approx 10 years Alarm function Number of points 3 points Option 2 points Alarm type Specify when ordering Deviation high alarm FAIL alarm Deviation low alarm Deviation high alarm with hold action Deviation high low alarm Deviation low alarm with hold action Band alarm Deviation high low alarm with hold action Process high alarm Process high alarm with hold action Proce...

Страница 21: ...F N A5 199 9 to 400 0 C 1 2 T 01 T 199 9 to 100 0 C 1 2 T 02 100 0 to 200 0 C T 03 Thermocouple input and RTD input Type Range Code 0 0 to 350 0 C T 04 199 9 to 752 0 F 1 2 T A1 T 100 0 to 200 0 F 2 T A2 100 0 to 400 0 F T A3 0 0 to 450 0 F T A4 0 0 to 752 0 F T A5 W5Re 0 to 2000 C W 01 W26Re 0 to 2320 C W 02 0 to 4000 F W A1 0 to 1300 C A 01 0 to 1390 C A 02 PL II 0 to 1200 C A 03 0 to 2400 F A A...

Страница 22: ...nels Memory area No CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 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 Cool side proportional band Overlap deadband Setting changing rate limiter Used unused of channels Item Display Set value RKC INSTRUMENT INC HEADQUARTERS 16 6 KUGAHARA 5 CHOME OHTA KU TO...

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