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Digital Controllers


E5ER Digital Controllers offer high speed,high precision, and multiple I/O and use a 5-digit, 3-row LCD display for high visual clarity.


Supply voltage
(See note 1.)
100 to 240 VAC, 50/60 Hz 24 VAC, 50/60 Hz; 24 VDC
Operating voltage range 85% to 110% of rated supply voltage
Power consumption 17 VA max. (with maximum load) 11 VA/7 W max. (with maximum load)
Sensor input (See note 2.) Thermocouple: K, J, T, E, L, U, N, R, S, B, W
Platinum resistance thermometer: Pt100
Current input: 4 to 20 mA DC, 0 to 20 mA DC (including remote SP input)
Voltage input: 1 to 5 VDC, 0 to 5 VDC, 0 to 10 VDC (including remote SP input)
(Input impedance: 150 Ω for current input, approx. 1 MΩ for voltage input)
Voltage (pulse)
12 VDC, 40 mA max. with short-circuit protection circuit
Current output 0 to 20 mA DC, 4 to 20 mA DC; load: 500 Ω max. (including transfer output)
(Resolution: Approx. 54,000 for 0 to 20 mA DC; Approx. 43,000 for 4 to 20 mA DC)
Relay output Position-proportional control type (open, closed)
N.O., 250 VAC, 1 A (including inrush current)
Auxiliary output Relay Output
N.O., 250 VAC, 1 A (resistive load)
Transistor Output
Maximum load voltage: 30 VDC; Maximum load current: 50 mA; Residual voltage: 1.5 V
max.; Leakage current: 0.4 mA max.
Potentiometer input 100 Ω to 2.5 kΩ
Contact Input ON: 1 kΩ max.; OFF: 100 kΩ min.
No-contact Input ON: Residual voltage of 1.5 V max.; OFF: Leakage current of 0.1 mA max.
Short circuit current: Approx. 4 mA
Remote SP input Refer to the information on sensor input.
Transfer output Refer to the information on control output.
Control method 2-PID or ON/OFF control
Setting method Digital setting using front panel keys or setting using serial communications
Indication method 7-segment digital display and single-lighting indicator
Character Height
PV: 9.5 mm; SV: 7.2 mm; MV: 7.2 mm
Other functions Depends on model.
Ambient operating
-10 to 55°C (with no icing or condensation)
For 3 years of assured use: -10 to 50°C (with no icing or condensation)
Ambient operating
25% to 85%
Storage temperature -25 to 65°C (with no icing or condensation)

Note 1: The supply voltage (i.e., 100 to 240 VAC or 24 VAC/VDC) depends on the model. Be sure to specify the required
             type when ordering.
         2: The Controller is equipped with multiple sensor input. Temperature input or analog input can be selected with the
              input type setting switch. There is basic insulation between power supply and input terminals, power supply and
              output terminals, and input and output terminals.
         3: Do not use an inverter output as the power supply. (Refer to Safety Precautions for All E5[]R Models.)

Input Ranges

Platinum Resistance Thermometer, Thermocouple, Current, or Voltage Input

E5ER Specifications 4


Indication accuracy Thermocouple input with cold junction compensation: (±0.1% of PV or ±1°C, whichever is greater) ±1 digit max. (See note 1.)
Thermocouple input without cold junction compensation: (±0.1% FS or ±1°C, whichever is smaller) ±1 digit (See note 2.)
Analog input: ±0.1% FS ±1 digit max.
Platinum resistance thermometer input: (±0.1% of PV or ±0.5°C, whichever is greater) ±1 digit max.
Position-proportional potentiometer input: ±5% FS ±1 digit max.
Control mode Standard control (heating or cooling control), heating/cooling control, standard control with remote SP (2-input models only), heating/cooling
control with remote SP (2-input models only), cascade standard control (2-input models only), cascade heating/cooling control (2-input
models only), proportional control (2-input models only), position-proportional control (control-valve control models only)
Influence of temperature Thermocouple input (R, S, B, W): (±1% of PV or ±10°C, whichever is greater) ±1 digit max.
Other thermocouple input: (±1% of PV or ±4°C, whichever is greater) ±1 digit max.
∗K-type thermocouple at -100°C max.: ±10°C max.
Platinum resistance thermometer: (±1% of PV or ±2°C, whichever is greater) ±1 digit max.
Analog input: (±1%FS) ±1 digit max.
Influence of temperature
Influence of EMS.
(at EN61326-1)
Control period 0.2 to 99.0 s (in units of 0.1 s) for time-proportioning control output
Proportional band (P) 0.00% to 999.99% FS (in units of 0.01% FS)
Integral time (I) 0.0 to 3,999.9 s (in units of 0.1 s)
Derivative time (D) 0.0 to 3,999.9 s (in units of 0.1 s)
Hysteresis 0.01% to 99.99% FS (in units of 0.01% FS)
Manual reset value 0.0% to 100.0% (in units of 0.1% FS)
Alarm setting range -19,999 to 99,999 EU (See note 3.) (The decimal point position depends on the input type and the decimal point position setting.)
Input sampling period 50 ms
Insulation resistance 20 MΩ min. (at 500 VDC)
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min (between charged terminals of different polarities)
Vibration resistance 10 to 55 Hz, 20 m/s2 for 10 min each in X, Y, and Z directions
Shock resistance 100 m/s2, 3 times each in X, Y, and Z directions
Inrush current 100 to 240-VAC models: 50 A max.
24 VAC/VDC models: 30 A max.
Weight Controller only: Approx. 330 g; Mounting bracket: Approx. 60 g; Terminal cover: Approx. 16 g
Degree of protection Front panel: NEMA4X for indoor use (equivalent to IP66); Rear case: IP20; Terminals: IP00
Memory protection Non-volatile memory (number of writes: 100,000)
Applicable standards UL61010C-1, CSA C22.2 No. 1010-1
EN61010-1 (IEC61010-1): Pollution degree 2/overvoltage category 2
EMC EMI: EN61326-1 (See note 5.)
Radiated Interference Electromagnetic Field Strength: EN55011 Group 1 Class A
Noise Terminal Voltage: EN55011 Group 1 Class A

EMS: EN61326-1 (See note 5.)
ESD Immunity: EN61000-4-2: 4 kV contact discharge (level 2)
8 kV air discharge (level 3)
Electromagnetic Immunity: EN61000-4-3: 10 V/m (amplitude-modulated, 80 MHz to 1 GHz, 1.4 GHz to 2 GHz) (level 3)
Burst Noise Immunity: EN61000-4-4: 2 kV power line (level 3)
2 kV output line (relay output) (level 4)
1 kV measurement line, I/O signal line (level 4)
1 kV communications line (level 3)
Conducted Disturbance Immunity: EN61000-4-6: 3 V (0.15 to 80 MHz) (level 3)
Surge Immunity: EN61000-4-5: 1 kV line to line (power line, output line (relay output)) (level 2)
2 kV line to ground (power line, output line (relay output)) (level 3)
Power Frequency Magnetic Field Immunity: EN61000-4-8: 30 A/m (50 Hz) continuous field
Voltage Dip/Interrupting Immunity: EN61000-4-11: 0.5 cycle, 100% (rated voltage)

Note: 1. K-, T-, or N-type thermocouple at -100°C max.: ±2°C ±1 digit max.
              U- or L-type thermocouple: ±2°C ±1 digit max.
              B-type thermocouple at 400°C max.: No accuracy specification.
              R- or S-type thermocouple at 200°C max.: ±3°C ±1 digit max.
              W-type thermocouple: (±0.3% of PV or ±3°C, whichever is greater) ±1 digit max.
          2. U- or L-type thermocouple: ±1°C ±1 digit
               R- or S-type thermocouple at 200°C max.: ±1.5°C ±1 digit
          3. "EU" (Engineering Unit) represents the unit after scaling. If a temperature sensor is used it is either °C or °F.
          4. Conditions: Ambient temperature from -10 to 23 to 55°C and voltage of -15% to 10% of rated voltage.
          5. Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)

Communications Specifications

Transmission path connection Multiple points
Communications method RS-485 (two-wire, half duplex)
Synchronization method Start-stop synchronization
Baud rate 9,600, 19,200, or 384,000 bps
Transmission code ASCII
Data bit length 7 or 8 bits
Stop bit length 1 or 2 bits
Error detection Vertical parity (none, even, odd)
Block check character (BCC): CompoWay/F
CRC-16: Modbus
Flow control None
Interface RS-485
Retry function None
Communications buffer 217 bytes
Communications response send wait time 0 to 99 ms, Default: 20 ms


Item Specifications
Communications protocol Conforms to DeviceNet
Remote I/O
• Master-slave connections (polling, bit-strobe, COS, or cyclic)
• Conform to DeviceNet specifications.
I/O allocations • Can allocate any I/O data from the Configurator.
• Can allocate any data, such as parameters specific to the Devicenet, and the
Digital Controller variable area.
• Up to 2 blocks for the IN Area, up to a total of 100 words.
• One block for the OUT Area, up to 100 words (first word is always allocated to
Output Enable Bits).
• Explicit message communications
• CompoWay/F communications commands can be sent (commands are sent in
explicit message format).
Connection format Combination of multidrop and T-branch connections (for trunk and drop lines)
Baud rate DeviceNet: 500, 250, or 125 kbps, or automatic detection of master baud rate
Communications media Special 5-wire cable (2 signal lines, 2 power lines, and 1 shield line)
Communications distance Baud rate Network length Drop line length Total drop line length
500 kbps 100 m max. (100 m max.) 6 m max. 39 m max.
250 kbps 250 m max. (100 m max.) 6 m max. 78 m max.
125 kbps 500 m max. (100 m max.) 6 m max. 156 m max.
The values in parentheses apply when Thin Cables are used.
Supply voltage DeviceNet power supply: 24 VDC
Allowable voltage range DeviceNet power supply: 11 to 25 VDC
Current consumption 50 mA max. (24 VDC)
Maximum number of nodes that can
be connected
64 (includes Configurator when used)
Maximum number of slaves that can
be connected
Error control CRC error detection
Power supply Power supplied from DeviceNet communications connector.