Omron, E5ZN Series

• Two channels of temperature control available despite width of only 22.5 mm.

• The Temperature Controller itself can be replaced without changing terminal wiring.

• Use in combination with a compact Setting Display Unit to reduce communications programming requirements.

• Front-panel LED indicators for easy operation monitoring.

• Power supply and communications wiring not required between Units when mounted side-by-side.

• CompoWay/F communications protocol supported.

• UL, CSA, and CE Marking compliance.

Ratings

Power supply voltage	24 VDC
Allowable voltage range	85% to 110% of the rated power supply voltage
Power consumption	Approx. 3 W
Sensor input	Thermocouple: K, J, T, E, L, U, N, R, S, B Infrared temperature sensor (ES1B series): 10 to 70°C, 60 to 120°C, 115 to 165°C, 140 to 260°C Voltage input: 0 to 50 mV
Sensor input	Platinum resistance thermometer: Pt100, JPt100
Control output	Voltage output (for driving SSR)	Output voltage: 12 VDC ±15% (PNP); Maximum load current: 21 mA; Equipped with short-circuit protection circuit
	Transistor output	Maximum operational voltage: 30 VDC; Maximum load current: 100 mA; Residual voltage: 1.5 V max.; Leakage current: 0.4 mA max.
	Current output	Current output range: 4 to 20/0 to 20 mA DC; Load: 350 Ω max. (See note 2.)
Auxiliary output	Transistor output	Sourcing	Maximum operating voltage: 30 VDC; Maximum load current: 50 mA; Residual voltage: 1.5 V max.; Leakage current: 0.4 mA max.
	Transistor output	Sinking
	Linear voltage output		Voltage output range: 1 to 5/0 to 5 VDC; Load: 10 kΩ min.
Event input	Contact output	ON: 1 kΩ max., OFF: 100 kΩ min. Discharge current: Approx. 7 mA
Event input	Non-contact output	ON: Residual voltage: 1.5 V max., OFF: Leakage current: 0.1 mA max. Discharge current: Approx. 7 mA
Number of input and control points	Input points: 2, Control points: 2
Setting method	Via communications or using the Setting Display Unit (E5ZN-SDL *)
Control method	2-PID or ON/OFF control
Other functions	Heater burnout detection function, transfer output function Multi-SP and RUN/STOP switching using event input
Ambient operating temperature	-10 to 55℃ (with no icing or condensation) For 3 years of assured use: -10 to 50℃
Ambient operating humidity	25% to 85%
Storage temperature	-25 to 65℃ (with no icing or condensation)

* Production was discontinued.
Note: 1. Do not use an inverter output for the power supply. (Refer to Safety Precautions for All Temperature Controllers.)
2. OMRON G32A-EA Cycle Controller Unit (load impedance 352 Ω) can be used.

Input Range

Platinum Resistance Thermometer Models and Thermocouple Models

The applicable standards for the input types are as follows:
• K, J, T, E, N, R, S, B: JIS C1602-1995, IEC584-1
• L: Fe-CuNi, DIN 43710-1985
• U: Cu-CuNi, DIN 43710-1985
• JPt100: JIS C 1604-1989, JIS C 1606-1989
• Pt100: JIS C 1604-1997 IEC 751
Shaded parts indicate the settings at the time of purchase.

Characteristics

Influence of voltage
Indication accuracy	Thermocouple: (Indicated value ±0.5% or ±1℃, whichever is greater) ±1 digit max. 1 Platinum resistance thermometer: (Indicated value ±0.5% or ±1℃, whichever is greater) ±1 digit max. 1 Analog input: ±0.5% or ±1 digit max. CT input: ±5% FS ±1 digit max.
Influence of temperature	Thermocouple input (R, S, B): (±1% of PV or ±10℃, whichever is greater) ±1 digit max. Other thermocouple input: ( ±1% of PV or ±4℃, whichever is greater) ±1 digit max. *K thermocouple at -100℃ max.: ±10℃ max. Platinum resistance thermometer: (±1% of PV or ±2℃, whichever is greater) ±1 digit max. Analog input: (±1%FS) ±1 digit max.
Transfer output	Accuracy: ±0.5% FS *2
Hysteresis	0.1 to 999.9 EU (in units of 0.1 EU) *3
Proportional band (P)	0.1 to 999.9 EU (in units of 0.1 EU) *3
Integral time (I)	0 to 3,999 s (in units of 1 s)
Derivative time (D)	0 to 3,999 s (in units of 1 s)
Control period	1 to 99 s (in units of 1 s)
Manual reset value	0.0 to 100.0% (in units of 0.1%)
Alarm setting range	-1,999 to 9,999 (Position of decimal point depends on input type.)
Sampling period	500 ms
Insulation resistance	20 MΩ min. (at 500 VDC)
Dielectric strength	600 VAC for 1 minute at 50 or 60 Hz (between unlike terminals of charged parts)
Vibration resistance	10 to 55 Hz, 10 m/s² for 2 h each in X, Y, and Z directions
Shock resistance	150 m/s² max., 3 times each in ±X, ±Y, and ±Z directions
Weight	Temperature Controller: Approx. 90 g Terminal Unit (18): Approx. 80 g Terminal Unit (24): Approx. 100 g
Degree of protection	Temperature Controller: IP00 Terminal Unit: IP00
Memory protection	EEPROM (non-volatile memory) (Number of write operations: 100,000)
Approved standards *4	UL File No.: E200593 CSA File No.: 203889-1140084 CE EMS: ESD EN61326, EN61000-4-2 (4 kV/contact, 8 kV/air) REM field EN61326, EN61000-4-3 (10 V/m) Fast transient EN61326, EN61000-4-4 (2 kV/DC power, 1 kV/I/O) Surge immunity EN61326, EN61000-4-5 (line to ground: 2 kV/DC power 1 kV/I/O, line to line: 1 kV/DC power) Conducted RF EN61326, EN61000-4-6 (10 V) EMI: Radiated EN61326 Class A

*1. The indication accuracy for T and N thermocouples at −100°C, and for U and L thermocouples is ±2°C ±1 digit max.
There is no specification for the indication accuracy for the B thermocouple used at 400°C max. The indication
accuracy for R and S thermocouples at 200°C max. is ±3°C ±1 digit max.
*2. The transfer output accuracy for 0 to 4 mA when 0 to 20 mA DC is selected is ±0.5% FS +0.7 mA. The transfer output
accuracy for 0 to 1 V when 0 to 5 VDC is selected is ±0.5% FS +0.175 V.
*3. "EU" stands for "Engineering Unit."
*4. In order to satisfy the EN61326 Class A standard for conducted emissions, install a noise filter (Densei-Lambda MXB-
1206-33 or equivalent) in a DC power line as close to the E5ZN as possible.

Communications (Host Communications)

Transmission line connection method	RS-485 multipoint
Communications method	RS-485 (2-wire, half-duplex)
Synchronization method	Start-stop synchronization
Baud rate	4,800, 9,600, 19,200, or 38,400 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)
Error detection	BCC (block check character)
Flow control	None
Interface	RS-485
Retry function	None
Number of Units that can be connected in parallel	16 Units max. (32 channels)

* The baud rate, data bit length, stop bit length, and vertical parity can all be set independently as host communications
settings.
: Default setting values

Current Transformer (CT) (Order Separately)

Dielectric strength	1,000 VAC (1 minute)
Vibration resistance	50 Hz, 98 m/s²
Weight	E54-CT1: Approx. 11.5 g E54-CT3: Approx. 50 g
Accessories (E54-CT3 only)	Armature (2) Plug (2)

Heater Burnout Alarm

Maximum heater current	Single-phase, 50 A AC *1
Input current readout accuracy	±5% FS ±1 digit max.
Heater burnout alarm setting range	0.0 to 50.0 A (in units of 0.1 A) *2
Minimum detection ON time	190 ms *3

*1. Use the K8AC-H Digital Heater Burnout Alarm Detector for burnout detection of 3-phase heaters.
*2. If the heater burnout alarm setting is set to 0.0 A, the alarm is always OFF, and if it is set to 50.0 A the alarm is
always ON.
*3. If the ON time for control output is less than 190 ms, heater burnout detection and heater current measurement will
not be performed.

Setting Display Unit (Order Separately)

Power supply voltage	24 VDC
Allowable voltage range	85% to 110% of the rated power supply voltage
Power consumption	Approx. 1 W
Display method	7-segment digital display and single-color display
Ambient operating temperature	-10 to 55 ℃ (with no icing or condensation) For 3 years of assured use: -10 to 50 ℃
Ambient operating humidity	25% to 85%
Storage temperature	-25 to 65 ℃ (with no icing or condensation)
Communications method	RS-485 (half-duplex)
Communications format	Special protocol
Insulation resistance	20 MΩ min. (at 500 VDC)
Dielectric strength	1,500 VAC for 1 minute at 50 or 60 Hz (between unlike terminals of charged parts)
Vibration resistance	10 to 55 Hz, 20 m/s² for 2 h each in X, Y, and Z directions
Shock resistance	300 m/s² max., 3 times each in ±X, ±Y, and ±Z directions
Enclosure ratings	Front panel: IP50 Rear case: IP20 Terminal case: IP00
Memory protection	EEPROM (non-volatile memory) (Number of writes: 100,000)
Weight	Approx. 100 g Mounting bracket: Approx. 10 g

(Unit: mm)

E5ZN-2[][][][]03[]-FLK Connected to E5ZN-SCT24S-500

E5ZN-2[][][]03[]-FLK Connected to E5ZN-SCT18S-500

Current Transformer (Order Separately)

E54-CT1

E54-CT3

E54-CT3 Accessories

Terminal Cover (Order Separately)

E53-COV12

E53-COV13

Setting Display Unit

E5ZN-SDL *

* Production was discontinued.

E5ZN-SDL Wiring Sockets

Front-connecting Sockets

P2CF-11 (Standard Model)

P2F-11-E (with Finger Protection)

Back-connecting Sockets

P3GA-11 (Standard Model)

Terminal Cover

Y92A-48G

TITLE	DOCUMENT TYPE	SIZE
E5ZN	Catalog	1641 KB
E5ZN Temperature Controller Operation	Manual	1641 KB
E5ZN Temperature Controller (ENG/JPN)	Instruction Manual	997 KB
E5ZN Temperature Controller (ENG/JPN)	Instruction Manual	477 KB
E5ZN-SCT Terminal Unit (ENG/JPN/ITA/GER/FRE/SPA)	Instruction Manual	1179 KB
E5ZN-SDL Setting Display Unit (ENG/JPN/ITA/GER/FRE/SPA)	Instruction Manual	1203 KB
E54-CT1/CT3 Current Transformer (ENG/JPN)	Instruction Manual	67 KB