Digital Controller – Shimaden SR90 Series (SR91, SR92, SR93, SR94)

Features

  • Multi-input and multi-range performance
  • Large 20mm bright display (SR93)
  • Readable from a distance and in a low light area
  • 2-output heating and cooling control available
  • RS232C or RS485 Interface (MODBUS / Shimaden) available
  • Dust and splash proof front panel equivalent to IP66
  • A wide selection of additional functions (optional) is available to suit various needs.
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Multi-purpose controller for multi-input (thermocouple, RTD, mV).

External Dimensions for SR90 Series:

  • SR91: H48 × W48 × D111 (Panel depth: 100) mm
  • SR92: H72 × W72 × D111 (Panel depth: 100) mm
  • SR93: H96 × W96 × D111 (Panel depth: 100) mm
  • SR94: H96 × W48 × D111 (Panel depth: 100) mm

Specification

Display
Digital display Measured value (PV)/7 segments red LED 4 digits
Target set value (SV)/7 segments green
Display accuracy ±(0.3%FS + 1 digit)
Excluding reference contact temperature compensation accuracy of thermocouple input.
Accuracy of readings lower than −100˚C of thermocouples K, T, U inputs is ±0.7%FS.
Accuracy guarantee not applicable to 400˚C (752˚F) and below of B thermocouple.
Display accuracy maintaining range 23˚C ± 5˚C (18~28˚C)
Display resolution Depends on measuring range (0.001, 0.01, 0.1 and 1)
Measured value display range −10%~110% of measuring range
Display updating cycle 0.25 seconds
Action display/color 7 type, LED lamp display
Control output (OUT1, OUT2)/Green
Event (EV1, EV2)/Orange
Auto tuning/Green
Manual control output (MAN)/Green
Set value bias, communication
(SB/COM)/Green
Setting
Setting method By operating 4 keys on the front panel
Target value setting range Same as measuring range (within setting limiter)
Setting limiter Individual setting for higher and lower limits, any value is selectable within measuring range (Lower limit value<Higher limit value)
Input
Type of input Selectable from multiple (TC, Pt, mV), voltage (V) and current (mA)
Thermocouple B, R, S, K, E, J, T, N, PL II, Wre5-26 {U, L (DIN 43710)}
Input impedance 500kΩ minimum
External resistance tolerance 100Ω maximum
Burnout function Standard feature (up scale)
Reference junction compensation accuracy ± 1˚C (within the accuracy maintaining range (23 ± 5˚C))
± 2˚C (between 5 and 45˚C of ambient temperature)
R.T.D. Pt100/JPt100, 3-wire type
Normal current 0.25 mA
Lead wire tolerance 5Ω maximum/wire (3 lead wires should have the same resistance.)
Voltage             mV −10~10, 0~10, 0~20, 0~50, 10~50, 0~100mv DC
                              V −1~1, 0~1, 0~2, 0~5, 1~5, 0~10V
Input impedance 500kΩ minimum
Current mA 0~20, 4~20mA DC
Receiving impedance 250Ω
Input scaling function Scaling possible for voltage (mV, V) or current (mA) input
Scaling range −1999~9999 counts
Span 10~5000 counts
Position of decimal point None, 1, 2 and 3 digits on the right of decimal point
Sampling cycle 0.25 seconds
PV bias −1999~2000 units
PV filter 0~100 seconds
Isolation Control input not insulated from system, set value bias, and CT input but insulated from others
Control
Control mode
With 1 output Expert PID control with auto tuning function
RA (reverse action characteristic): Heating action
DA (direct action characteristic): Cooling action
With 2 outputs Expert PID control with auto tuning function + PID control
PID (output 1) + PID (output 2)
RA (reverse action characteristic): Heating action
(OUT1) and cooling action (OUT2)
DA (direct characteristic): 2-stage heating action
Type of control/rating Contact/1a 240V AC 2A (resistive load)
1.2A (inductive load)
(Common to Output 1 and 2) SSR drive voltage/12V±1.5V DC (Maximum load current 30mA)
Current/4~20mA DC (Maximum load resistance 600Ω)
Voltage/0~10V DC (Maximum load current 2mA)
Control output resolution Control output 1: approx. 0.0125% (1/8000)
Control output 2: approx. 0.5% (1/200)
Control output 1
Proportional band (P) OFF, 0.1~999.9% (ON-OFF action by OFF)
Integral time (I) OFF, 1~6000 seconds
(P or PD action by OFF)
Derivative time (D) OFF, 1~3600 seconds
(P or PI action by OFF)
Set value function OFF, 0.01~1.00
ON-OFF hysteresis 1~999 units (Effective when P=OFF)
Manual reset −50.0~50.0% (Effective when I=OFF)
Higher/lower limit output limiter Lower limit 0.0~99.9%, higher limit 0.1~100.0% (Lower limit value < Higher limit value)
Proportional cycle 1~120 seconds (for contact and SSR drive voltage output)
Control output 2 (option)
Proportional band (P) OFF, 0.1~999.9%
(ON-OFF action by OFF)
Integral time (I) OFF, 1~6000 seconds
(P or PD action by OFF)
Derivative time (D) OFF, 1~3600 seconds
(P or PI action by OFF)
Set value function OFF, 0.01~1.00
ON-OFF hysteresis 1~999 units (Effective when P=OFF)
Dead band −1999~5000 units (Overlap with a negative value)
Higher/lower limit output limiter Lower limit 0.0~99.9%, higher limit 0.1~100.0% (Lower limit value < Higher limit value)
Proportional cycle 1~120 seconds (for contact and SSR drive voltage output)
Manual control
Output setting range 0.0~100.0%
Setting resolution 0.10%
Manual ↔ auto switching Balanceless bumpless (within proportional range)
Soft start OFF, 1~100 seconds
AT point SV value in execution
Control output characteristic RA (reverse action characteristic)/DA (direct action characteristic) switching by front key or communication
With 2 outputs RA (heating/cooling)/DA (2 stage heating)
Isolation Contact output isolated from all. Analog output not insulated from SSR drive voltage, current and voltage but insulated from others. (In case another output is also SSR drive voltage, current or voltage, two outputs are not insulated from each other.)
Event output (option)
Number of event points 2 points of EV1 and EV2
Types Selectable from the following 9 types for EV1 and EV2:
oFF No selection
Hd Higher limit deviation
Ld Lower limit deviation
od Outside higher/lower limit deviations
∟d Within higher/lower limit deviations
HA Higher limit absolute value
LA Lower limit absolute value
So Scaleover
Hb Heater break/loop alarm
Event setting range Absolute values (both higher limit and lower limit): Within measuring range
Deviations (both higher limit and lower limit): −1999~2000 units Higher/lower limit deviations (within/outside): 0~2000 units
Event action ON-OFF action
Hysteresis 1~999 units
Standby action Selectable from the following 4 types
EV1 and EV2 1. Without standby action.
2. Standby when power is applied.
3. Standby when power is applied and when SV value in execution is changed.
4. Control mode without standby action (No alarm is output at the time of abnormal input).
Output type/rating Contact (1a × 2 points common)/240V AC 1A (resistive load)
Output updating cycle 0.25 seconds
Heater break/heater loop alarm (option) Heater break/loop detection only for OUT1 (Selectable when output type is contact or SSR drive voltage)
Current capacity 30A or 50A to be designated when CT is ordered.
Alarm action Heater current is detected by external CT provided as an accessory. When heater break is detected while control output is ON=Alarm output ON When heater loop alarm is detected while control output is OFF=Alarm output ON
Current setting range OFF, 0.1~50.0A (Alarm action is stopped by setting OFF)
Setting resolution: 0.1A
Current display range 0.0~55.0A
Display accuracy ±2.0A (Sine wave at 50Hz)
Minimum time to identify action 0.25 seconds (every 0.5 seconds) common to ON and OFF
Alarm retention mode Selectable from lock (to retain) and real (not to retain).
Standby action Selectable from without (OFF) and with (ON).
Sampling cycle 0.5 seconds
Isolation CT input not insulated from system and other inputs but insulated from the others.
Set value bias/DI (option)
Number of input points 1 point
Setting range -1999–5000 units
Action input Non-voltage contact or open collector (level action) about 5V DC, 1mA maximum
Minimum level retention time 0.15 seconds
DI types 1) None
2) SB; set value bias
3) STBY; standby
4) ACT; control action characteristics
Isolation Action input not insulated from system and other inputs but insulated from others
Communication function (option)
Type of communication RS-232C, RS-485
Communication system RS-232C : 3-line type half duplex system
RS-485 : 2-line type half duplex system
(RS-485 is of half-duplex multi-drop (bus) system)
Communication distance RS-232C : The longest: 15 m
RS-485 : The longest: 500 m (depending on conditions)
Number of connectable instruments RS-232: 1, RS-485: up to 31
Synchronization system Start-stop synchronization system
Communication speed 1200, 2400, 4800, 9600, 19200 bps
Communication address 1~255
Communication delay time 1~100 (× 0.512 msec)
Communication memory mode EEP/RAM/r_E
Communication protocol(1) Shimaden standard protocol
Data format 7E1, 7E2, 7N1, 7N2, 8E1, 8E2, 8N1, 8N2
Control code STX_ETX_CR, @_:_CR
Communication BCC Add, Add two’s cmp, XOR, None
Communication code ASCII code
Communication protocol(2) MODBUS ASCII mode
Data format 7E1, 7E2, 7N1, 7N2
Control code CRLF
Error check LRC check
Function code 03H, 06H (Hex)
1) 03H, read data
2) 06H, write data
Communication protocol(3) MODBUS RTU mode
Data format 8E1, 8E2, 8N1, 8N2
Control code None
Error check CRC-16
Function code 03H, 06H (Hex)
1) 03H, read data
2) 06H, write data
Isolation Communication signals insulated from system, each input and each output.
Analog output (option)
Number of output points 1 point
Type of analog output Selectable from measured value, target value (SV in execution), control output 1 and control output 2.
Output signal/rating 4~20mA DC/Maximum load resistance 300Ω
0~10V DC/Maximum load current 2mA
0~10mV DC/Output resistance 10Ω
Output scaling Measured value, target value: Within measuring range (inversed scaling possible) Control output 1 and 2 0.0~100.0% (inversed scaling possible)
Output accuracy ±0.3% FS (with respect to displayed value)
Output resolution Approx. 0.01% (1/10000)
Output updating cycle 0.25 seconds
Isolation Analog output insulated from system and inputs but not insulated from control output except contact output
General specifications
Data storage Non-volatile memory (EEPROM)
Environmental conditions for instrument operation
Temperature -10–50 °C
Humidity 90% RH or less (no dew condensation)
Height 2000m from the sea level or lower
Category II
Degree of pollution 2
Storage temperature -20–65 °C
Supply voltage Either 100-240V AC±10% 50/60Hz or 24V AC/DC±10% to be designated.
Power consumption SR91: 100-240VAC 11VA maximum for AC; 6W for DC 24V; 7VA for AC 24V
SR92, SR93 and SR94: 100-240VAC 15VA maximum for AC; 8W for DC 24V; 9VA for AC 24V
Input/noise removal ratio 50 dB or higher in normal mode (50/60 Hz) 130 dB or higher in common mode (50/60 Hz)
Applicable standards Safety: IEC1010 and EN61010-1
EMC: EN61326
RoHS compliance: EN50581
Insulation resistance Between input/output terminals and power terminal 500V DC 20MΩ or above; Between input/output terminals and protective conductor terminal 500V DC 20MΩ or above
Dielectric strength Between input/output terminals and power terminal 2300V AC 1 minute; Between power terminal and protective conductor terminal 1500V AC 1 minute
Protective structure Only front panel has dust-proof and dripproof structure equivalent to IP66.
Material of case PPO resin molding (equivalent to UL94V-1)
External dimensions SR91: H48 × W48 × D111 (Panel depth: 100) mm
SR92: H72 × W72 × D111 (Panel depth: 100) mm
SR93: H96 × W96 × D111 (Panel depth: 100) mm
SR94: H96 × W48 × D111 (Panel depth: 100) mm
Mounting Push-in panel (one-touch mount)
Panel thickness 1.0–4.0 mm
Panel cutout SR91: H45 × W45 mm
SR92: H68 × W68 mm
SR93: H92 × W92 mm
SR94: H92 × W45 mm
Weight SR91: Approximately 170 g
SR92: Approximately 280 g
SR93: Approximately 330 g
SR94: Approximately 240 g

Ordering Information

SR91

ITEM CODE SPECIFICATIONS
SERIES SR91- MPU-Based Auto-Tuning PID Digital Controller, DIN H48 × W48 × D110mm
INPUT 8 Multi input Thermocouple: B, R, S, K, E, J, T, N, PLII, Wre5-26 {U, L (DIN 43710)}
R.T.D.: Pt100Ω /JPt100Ω
Voltage: -10~10, 0~10, 0~20, 0~50, For voltage and current input:
Scaling Possible
Range: -1999~9999
Span: 10~5000
Note: Inverse scaling is not possible
  10~50, 0~100mV DC
4 Current (mA): 0~20, 4~20mA DC
Receiving impedance: 250Ω
6 Voltage (V): -1~1, 0~1, 0~2, 0~5,
1~5, 0~10V DC
CONTROL OUTPUT (1) Y- Contact: 1a, Contact capacity: 240V AC 2.5A/resistive load
Proportional cycle: 1~120 sec.
I- Current: 4~20mA DC
Load resistance: 600Ω max.
P- SSR drive voltage: 12V±1.5V DC/30mA max.
Proportional cycle: 1~120 sec.
V- Voltage: 0~10V DC
Load current: 2mA max.
POWER SUPPLY 90- 100~240V AC±10%, 50/60Hz
08- 24V AC/DC±10%, 50/60Hz
EVENT OUTPUT (OPTION) 0 None
1 Contact output (2a) Ev1, Ev2: 240V AC 1A/resistive load
N None
OPTION Control output (2) Y Contact: 1a, Contact capacity: 240V AC 2.5A/resistive load
Proportional cycle: 1~120 sec.
I Current: 4~20mA DC
Load resistance: 600Ω max.
P SSR drive voltage: 12±1.5V DC/30mA max.
Proportional cycle: 1~120 sec.
V Voltage: 0~10V DC
Load current: 2mA max.
Heater break alarm 1 Current setting range: 0.1~30.0A
(with CT 30A)		 Note: Available only when control output (1) is Y or P and when event output is selected.
2 Current setting range: 0.1~50.0A
(with CT 50A)
Analog output 3 Voltage: 0~10mV DC, Output resistance: 10Ω
4 Current: 4~20mA DC, Load resistance: 300Ω max.
6 Voltage: 0~10V DC, Load current: 2mA max.
Communication 5 RS-485 (Shimaden standard protocol / MODBUS (RTU / ASCII))
SV Bias / DI 8 DI (set value bias, STBY, or ACT) 1 point, Non-voltage contact or Open collector input
Open collector input rating: approx. 5V/1mA max.
REMARKS 0 Without
9 With (Please consult before ordering.)

 

 SR92

ITEM CODE SPECIFICATIONS
SERIES SR92- MPU-Based Auto-Tuning PID Digital Controller, DIN H72 × W72 × D110mm
INPUT 8 Multi input Thermocouple: B, R, S, K, E, J, T, N, PLII, Wre5-26 {U, L (DIN 43710)}
R.T.D.: Pt100Ω /JPt100Ω
Voltage (mV): -10~10, 0~10, 0~20, For voltage and current input:
Scaling Possible
Range: -1999~9999
Span: 10~5000
Note: Inverse scaling is not possible
0~50, 10~50, 0~100mV DC
4 Current (mA): 0~20, 4~20mA DC
Receiving impedance: 250Ω
6 Voltage (V): -1~1, 0~1, 0~2, 0~5, 1~5,
0~10V DC Input resistance: 500kΩ min.
CONTROL OUTPUT (1) Y- Contact: 1a, Contact capacity: 240V AC 2A/resistive load
Proportional cycle: 1~120 sec.
I- Current: 4~20mA DC
Load resistance: 600Ω max.
P- SSR drive voltage: 12V±1.5V DC/30mA max.
Proportional cycle: 1~120 sec.
V- Voltage: 0~10V DC
Load current: 2mA max.
CONTROL OUTPUT (2)
(OPTION)		 N- None
Y- Contact: 1a, Contact capacity: 240V AC 2A/resistive load
Proportional cycle: 1~120 sec.
I- Current: 4~20mA DC
Load resistance: 600Ω max. (RA when shipped)
P- SSR drive voltage: 12V±1.5V DC/30mA max.
Proportional cycle: 1~120 sec.
V- Voltage: 0~10V DC
Load current: 2mA max.
POWER SUPPLY 90- 100V~240V AC±10%, 50/60Hz
08- 24V AC/DC±10%, 50/60Hz
EVENT OUTPUT/
HEATER BREAK ALARM (OPTION)		 0 None
1 Event output (2a) Ev1, Ev2
Contact capacity: 240V AC 1A/resistive load
2 Event output (Ev1) + Heater break alarm
(with CT30A		 Note: Available only when control output (1) is Y or P is selected
3 Event output (Ev1) + Heater break alarm
(with CT50A
ANALOG OUTPUT (OPTION) 0 None
3 Voltage: 0~10mV DC, Output resistance: 10Ω
4 Current: 4~20mA DC, Load resistance: 300Ω max.
6 Voltage: 0~10V DC, Load current: 2mA max.
COMMUNICATION OR SV Bias/DI (OPTION) 0 None
5 RS-485 (Shimaden standard protocol / MODBUS (RTU / ASCII))
7 RS-232C (Shimaden standard protocol / MODBUS (RTU / ASCII))
8 DI (set value bias, STBY, or ACT) 1 point, Non-voltage contact or Open collector input
Open collector input rating: approx. 5V/1mA max.
REMARKS 0 Without
9 With (Please consult before ordering.)

 

SR93/SR94

ITEM CODE SPECIFICATIONS
SERIES SR93- MPU-Based Auto-Tuning PID Digital Controller, DIN H96 × W96 × D110mm
SR94- MPU-Based Auto-Tuning PID Digital Controller, DIN H96 × W48 × D110mm
INPUT 8 Multi input Thermocouple: B, R, S, K, E, J, T, N, PLII, Wre5-26 {U, L (DIN 43710)}
R.T.D.: Pt100Ω /JPt100Ω
Voltage: -10~10, 0~10, 0~20, For voltage and current input:
Scaling Possible
Range: -1999~9999
Span: 10~5000
Note: Inverse scaling is not possible
0~50, 10~50, 0~100mV DC
4 Current (mA): 0~20, 4~20mA DC
Receiving impedance: 250Ω
6 Voltage (V): -1~1, 0~1, 0~2, 0~5, 0~10V DC
Load resistance: 600Ω max.
CONTROL OUTPUT (1) Y- Contact: 1a, Contact capacity: 240V AC 2A/resistive load
Proportional cycle: 1~120 sec.
I- Current: 4~20mA DC
Load resistance: 600Ω max.
P- SSR drive voltage: 12V±1.5V DC/30mA max.
Proportional cycle: 1~120 sec.
V- Voltage: 0~10V DC
Load current: 2mA max.
CONTROL OUTPUT (2)
(OPTION)		 N- None
Y- Contact: 1a, Contact capacity: 240V AC 2A/resistive load
Proportional cycle: 1~120 sec.
I- Current: 4~20mA DC
Load resistance: 600Ω max.
P- SSR drive voltage: 12V±1.5V DC/30mA max.
Proportional cycle: 1~120 sec.
V- Voltage: 0~10V DC
Load current: 2mA max.
POWER SUPPLY 90- 100~240V AC±10%, 50/60Hz
08- 24V AC/DC±10%, 50/60Hz
EVENT OUTPUT/
HEATER BREAK ALARM (OPTION)		 0 None
1 Event output (2a) Ev1, Ev2
Contact capacity: 240V AC 1A/resistive load
2 Event output (Ev1) + Heater break alarm
(with CT30A)		 Note: Available only when control output (1) is Y or P is selected
3 Event output (Ev1) + Heater break alarm
(with CT50A)
OPTION 00 None
Analog output 30 Voltage: 0~10mV DC, Output resistance: 10Ω
40 Current: 4~20mA DC, Load resistance: 300Ω max.
60 Voltage: 0~10V DC, Load current: 2mA max.
SV Bias / DI 08 DI (set value bias, STBY, or ACT) 1 point, Non-voltage contact or Open collector input
Open collector input rating: approx. 5V/1mA max.
Analog output +
SV Bias / DI		 38 Voltage: 0~10mV DC, Output resistance: 10Ω
DI (set value bias, STBY, or ACT) 1 point
48 Current: 4~20mA DC, Load resistance: 300Ω max.
DI (set value bias, STBY, or ACT) 1 point
68 Voltage: 0~10V DC, Load current: 2mA max.
DI (set value bias, STBY, or ACT) 1 point
Communication 05 RS-485 (Shimaden standard protocol / MODBUS (RTU / ASCII))
07 RS-232C (Shimaden standard protocol / MODBUS (RTU / ASCII))
REMARKS 0 Without
9 With (Please consult before ordering.)

Note:

When you purchase a two-output type controller and use it in a one output capacity, larger overshooting or undershooting may happen as a result of integral operation. Therefore, we recommend you to choose a one-output type. The cause of the above-mentioned problem is that the positional relationship between the proportional band (PB) and the set value (SV) of a one-output type controller differs from that of a two-output type.

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Shimaden SR90 Series (SR91, SR92, SR93, SR94) Digital Controller-DpstarGroup

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