DIGITAL INDICATING CONTROLLER DB670

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Product Description

The DIGITAL INDICATING CONTROLLER is a versatile digital indicating controller boasting ±0.1% accuracy and 0.1-second control cycles. Offering three size options, it features PID and Z control algorithms for optimal performance. Its large 5-digit display ensures clear visibility, while universal input accommodates various sensors. With options for program operation and compatibility with international safety standards, it’s a robust solution for precise control in diverse applications, aided by its innovative Z Control algorithm. Various functions including universal input and multiple setting values (8 types) are provided as standard.
There are three types of size.
DB670 — 96 x 96mm

DB650 — 96 x 48mm

DB630 — 48 x 48mm

Additional information

INPUT SPECIFICATIONS

Type
DB670 96 x 96mm
DB650 96 x 48mm
DB630 48 x 48mm
Input type Thermocouple
B, R, S, N, K, E, J, T, U, L, WRe5-WRe26,
W-WRe26, Platinel II, PtRh40-PtRh20, Au-Pt
DC voltage
±20mV, ±100mV, ±5V, ±10V
Resistance thermometer
Pt100, JPt100, Pt50
Measuring range Thermocouple 16 ranges
DC voltage 4 ranges
DC voltage 1 range
Resistance thermometer 5 ranges
Temperature unit °C
Accuracy rating ±0.1% of FS ± 1 digit of measuring range
Reference junction compensation accuracy ±1.0°C (ambient temperature 23°C ± 10° )
±2.0°C (temperatures other than above)
Sampling rate Approx. 0.1 seconds
Burnout Upper limit burnout is provided for thermocouple, resistance thermometer and DC voltage (20mA) only as standard.
Output 1 produces PV abnormal output and output 2 is fixed to 0% when burnout occurs.
Upper limit alarm event is output.
Input impedance Thermocouple 1MΩ or more
DC voltage Approx. 1MΩ
Allowable signal source resistance Thermocouple 100Ω or less
DC voltage (mV) 100Ω or less
DC voltage (V) 300Ω or less
Allowable wire resistance Resistance thermometer 10Ω/1 wire or less (resistance of 3 wires should be equal to one another)
Resistance thermometer measurement current Approx. 1mA
Maximum allowable input Thermocouple ±10VDC
DC Voltage (mV) ±10V DC
DC Voltage (V) ±20V DC
Resistance thermometer ±5V DC
Maximum common mode voltage 30VAC
Common mode rejection ratio 130dB or more (50/60Hz)
Series mode rejection ratio 50dB or more (50/60Hz)

CONTROL SPECIFICATIONS

Control interval Approx. 0.1 seconds
Output type ON-OFF pulse output, ON-OFF servo output (DB650 and DB670 only), Current output, SSR drive pulse output, Voltage output
ON-OFF pulse type Contact type 1a contact
Pulse cycle Approx. 1 to 180 seconds
Contact capacity Resistive load 240VAC 3A, 30VDC 3A
Inductive load 240VAC 1.5A, 30VDC 1.5A
Minimum load 5VDC 10mA
ON-OFF servo output type Contact type 1a contact
Feedback resistance 100Ω to 2KΩ
Contact capacity Resistive load 240VAC 3A, 30VDC 3A
Inductive load 40VAC 1.5A, 30VDC 1.5A
Minimum load 5VDC 10mA
Current output type Output specification 4 to 20mA D
Load resistance 600Ω or less
SSR drive pulse output type Pulse cycle Approx. 1 to 180 seconds
Output specification ON 12V DC ±20% (load current 21mA or less)
OFF 0.8V DC or less
Voltage output type Output specification 0 to 10V DC
Output resistance Approx. 10Ω
Load resistance 50KΩ or more
Specification with 2 outputs Output type Any combination between ON-OFF pulse output, output, current output, SSR drive pulse output and voltage output is possible.
Insulation Non-isolated between 2 outputs (ON-OFF pulse output type excluded)
Control system Z, PID

DISPLAY SPECIFICATIONS

Display Segment type LCD(LED backlight)

GENERAL SPECIFICATIONS

Rated power voltage 100 to 240V AC(±10%)
24V AC/DC(±10%)
Rated power supply frequency 50/60Hz(±2%)
Maximum power consumption 100 to 240V AC (without option)

  • DB630 100V AC: 4VA, 240V AC: 5VA
  • DB650 100V AC: 4VA, 240V AC: 6VA
  • DB670 100V AC: 4VA, 240V AC: 6VA

100 to 240V AC (with option)

  • DB630 100V AC: 5VA, 240V AC: 7VA
  • DB650 100V AC: 7VA, 240V AC: 10VA
  • DB670 100V AC: 9VA, 240V AC: 12VA

24V AC/DC (without option)

  • DB630 24V AC: 3VA, 24V DC: 2W
  • DB650 24V AC: 4VA, 24V DC: 3W
  • DB670 24V AC: 4VA, 24V DC: 3W

24V AC/DC (with option)

  • DB630 24V AC: 4VA, 24V DC: 3W
  • DB650 24V AC: 7VA, 24V DC: 5W
  • DB670 24V AC: 8VA, 24V DC: 6W

REFERENCE OPERATING CONDITIONS

Ambient temperature 23°C ± 2°C
Ambient humidity 55%RH ± 5% (no condensation)
Power voltage 100VAC ± 1%
Power supply frequency 50/60Hz ± 0.5%
Mounting orientation Backward / forward ±3°, laterally ±3°
Installation height Below 2000m
Vibration 0m/s²
Shock 0m/s²
Installation condition Single panel mounting (space required around)
Wind None
External noise None
Warm up time At least 30 minutes

NORMAL OPERATING CONDITIONS

Ambient temperature -10°C to 50°C (-10°C to 40°C for close installation)
Maximum ambient humidity (ambient temperature -10 to 31°C) 90%RH (no condensation)
Maximum ambient humidity (ambient temperature 31 to 50°C) 90 to 50%RH (no condensation)
*Decreases linearly from 90% RH at 31°C, or to 50% RH at 50°C.
Minimum ambient humidity 20%RH
Power voltage 100 to 240V AC: 90 to 264V AC

24V AC/DC: 21.6 to 26.4V AC/DC

Power supply frequency 50/60Hz ± 2%
Mounting orientation Backward/forward ±10°, laterally ±10°
Installation height Below 2000m
Vibration 0m/s²
Shock 0m/s²
Installation condition Panel mounting(space above and below)
External noise None
Ambient temperature variation ratio 10°C/hour or less

TRANSPORT CONDITIONS

Ambient temperature -20°C to 60°C
Ambient humidity 5 to 95%RH (no condensation)
Vibration 4.9m/s² or less (10 to 60Hz)
Shock 392m/s² or less (under factory packing condition)

STORAGE CONDITIONS

Ambient temperature -20°C to 60°C
Long-term storage temperature 10°C to 30°C
Ambient humidity 5% to 95%RH (no condensation)
Vibration 0m/s²
Shock 0m/s² (under factory packing condition)

STANDARD

Safety EN61010-1 (CE marking)
UL61010-1 2nd edition (UL)
CAN/CSA C22.2 No.61010-1(c-UL)
Setup category CAT.II, pollution degree: 2
EMC applicable CE marking EN61326-1 ClassA Table2

EN5011 ClassA Group1

EN61000-3-2 ClassA

EN61000-3-3

*Indication or output value varies by the amount equivalent to ±10% of FS or ±2mV, whichever is larger, during testing.

Structure Casing protection IEC60529 IP65 equivalent
(Unapplied for close installation)
(UL, c-UL are conformity pending)

Option

 

  • Transmission Signal Output Options

Output Point 1 point
Output Signal 4 to 20mA DC (load resistance 400Ω or less)
0 to 1V DC (load resistance 50kΩ or more)
0 to 10V DC (load resistance 50kΩ or more)
Accuracy ±0.3% of full scale
Output Updating Interval Approx. 0.1 seconds
Insulation Non-isolated between the adjustment output 1 and 2 (ON-OFF pulse output type excluded)

 

  • Remote Signal Input Options

Input Point 1 point
Input Signal 4 to 20mA DC (Input impedance Approx. 50Ω)
0 to 1V DC (Input impedance Approx. 500kΩ)
0 to 10V DC (Input impedance Approx. 100kΩ)
Maximum Allowable Input DC current ±30mA or less
±1.5V DC or less
DC voltage ±20V DC or less
Accuracy ±0.3% of full scale ± 1digit
Sampling Rate Approx. 0.1 seconds
External Signal Switch R/L (Remote/Local)

 

  • Communications Interface Options

Input Point DB630 5 points maximum, COM shared
DB650 7 points maximum, COM shared
DB670 7 points maximum, COM shared
Protocol MODBUS-RTU, MODBUS-ASCII, Private (used for digital transmission/digital remote input)
Function Host communication/digital transmission/digital remote input

 

  • Alarm Specifications

Number of Alarm Points 2 points
Alarm Types Absolute value alarm,
deviation alarm,
absolute value deviation alarm,
set point alarm,
output value alarm,
heater disconnection alarm (only for the case adjustment output 1 uses ON-OFF pulse output or SSR drive pulse output),
timer 1,
timer 2,
FAIL

 

  • Heater Disconnection Detection

Functions Measure heater current using an external current transformer (CT) to detect disconnection.
Input Points 1 point
Input Signals 5.0-50.0A (50 / 60Hz)
*Specified External Current Transformer (CT) Required Accuracys: ±5.0% of FS ±1digit

 

  • External Signal Input Options

Input Point DB630 5 points maximum, COM shared
DB650 7 points maximum, COM shared
DB670 7 points maximum, COM shared
Input Signal No voltage contact
External Contact Capacity 5V DC 2mA
Function Constant value operation RUN/READY switch,
AUTO/MAN switch,
preset manual,
timer 1,
timer 2,
alarm event reset,
execution No. selection,
program/constant value operation switch,
program operation RUN/STOP switch,
program operation ADVANCE,
program operation RESET,
program pattern selection

Dimensions

Model Versions

Digital Indicating Controller Model Version DB-670 

Product Brochure

DB-Series 670 Digital Indicating Controller Brochure