6
Modular Temperature Controller for Gradient Temperature Control
EJ1G
■
Ratings
Note: 1.
Auxiliary outputs can be allocated using auxiliary output allocations.
2.
Allocated using the digital input allocation function.
■
Characteristics
EJ1G-HFU
Power supply voltage
24 VDC
Operating voltage range
85% to 110% of rated voltage
Power consumption
2 W max. (at maximum load)
Auxiliary outputs
(See note 1.)
Outputs
4
Transistor outputs
Max. operating voltage: 30 VDC, Max. load current: 50 mA
Event inputs
(See note 2.)
Inputs
4
Inputs with contacts
ON: 1 k
Ω
max., OFF: 100 k
Ω
min.
Inputs without contacts
ON: Residual voltage of 1.5 V max., OFF: Leakage current of 0.1 mA max.
Short-circuit current: Approx. 4 mA (per contact)
Programless
connection
Programless downloading
(EJ1G writes data to a PLC)
Number of parameters that can be set: 300
Programless uploading
(EJ1G reads data from a
PLC)
Number of parameters that can be set: 300
Applicable PLCs
OMRON: SYSMAC CS/CJ Series, Mitsubishi Electric: MELSEC-Q/QnAS Series
Control method
2-PID control (with autotuning), gradient temperature control (with gradient tuning function)
Other functions
2-point input shift, SP ramp, manual manipulated variable, manipulated variable limiter,
interference overshoot adjustment, heater burnout alarm, RUN/STOP, banks, I/O allocations,
etc.
Ambient temperature range
Operating:
−
10
°
C to 55
°
C
Storage:
−
25
°
C to 65
°
C (with no icing or condensation)
Ambient humidity range
Operating: 25% to 85% (with no condensation)
Insulation resistance
20 M
Ω
min. (at 500 VDC)
Dielectric strength
600 VAC, 50/60 Hz for 1 min between current-carrying terminals of different polarity
Vibration resistance
10 to 55 Hz, 20 m/s
2
for 2 hours each in X, Y, and Z directions
Shock resistance
150 m/s
2
max., 3 times each in 6 directions
Weight
160 g
Degree of protection
Rear case: IP20, Terminal section: IP00
Memory protection
EEPROM (non-volatile memory) (number of writes: 100,000)
Standards
Approved standards
UL61010C-1, CSA C22.2 No.1010-1
Conformed standards
EN61010-1 (IEC61010-1): Pollution level 2, overvoltage category II
EMC Directive
Refer to page 3.
