Omron G3ZA, Руководство пользователя

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Multi-channel Power Controller
G3ZA
3
Specifications
■
Ratings
Note: 1. CT inputs are provided only on Models with heater burnout detection.
2. Use an SSR without the zero-cross function (G3PA- @ BL-VD) for soft-start optimum cycle control. (Refer to page 11.)
■
Performance
Note: When measured with percentage selected for the current monitor
parameter and the maximum current measurable with the CT at 100%.
■
Communications Specifications
■
Current Transformer Specifications
(Order Separately)
Note: The maximum continuous current is 50 A for the G3ZA in combination
with the E54-CT3.
Item
Load power supply
voltage range
100 to 240 VAC 400 to 480 VAC
Power supply voltage 100 to 240 VAC (50/60 Hz)
Operating voltage range 85 to 264 VAC
Power consumption 16 VA max.
Load power supply voltage 100 to 240 VAC 400 to 480 VAC
Load power supply voltage range 75 to 264 VAC 340 to 528 VAC
Manipulated variable input 0.0% to 100.0% (via RS-485 communications)
Current transformer input (See note 1.) Single-phase AC, 0 to 50 A (primary current of CT)
Single-phase AC, 0 to 150 A (primary current of CT)
Trigger output One voltage output for each channel, 12 VDC
±
15%, Max. load current: 21 mA
(with built-in short-circuit protection circuit)
Alarm output NPN open collector, one output
Max. applicable voltage: 30 VDC, Max. load current: 50 mA
Residual voltage: 1.5 V max., Leakage current: 0.4 mA max.
Indications LED indicators
Control method Optimum cycle control
Soft-start optimum cycle control (See note 2.)
Three-phase optimum cycle control
Ambient operating temperature
−
10 to 55
°
C (with no icing or condensation)
Ambient operating humidity 25% to 85%
Storage temperature
−
25 to 65
°
C (with no icing or condensation)
Elevation 2,000 m max.
Accessories Instruction Sheet
V2
V2
V2
Current indication
accuracy Current Range
0 to 50 A,
±
3 A
0 to 150 A, ±9 A
0 to 100%, ±6% (See note.)
(for models with heater burnout detection)
Insulation resistance 100 M
Ω
min. (at 500 VDC) between primary and
secondary
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min between primary
and secondary
Vibration resistance Vibration frequency: 10 to 55 Hz,
acceleration: 50 m/s
2
in X, Y, and Z directions
Shock resistance
300 m/s
2
three times each in six directions along
three axes
Weight Approx. 200 g (including terminal cover)
Degree of protection IP20
Memory protection EEPROM (non-volatile memory) (number of
writes: 100,000)
Installation environment Overvoltage category III,
pollution degree 2 (according to IEC 60664-1)
Approved standards UL508 (Listing), CSA22.2 No. 14
EN50178
EN61000-6-4 (EN55011: 1998, A1: 1999 Class A,
Group 1)
EN61000-6-2: 2001
Transmission line connections Multipoint
Communications method RS-485
Max. transmission distance 500 m
No. of nodes 31 (via multidrop connections)
Synchronization method Stop-start synchronization
Communications baud rate 9.6, 19.2, 38.4 or 57.6 kbps,
Default: 9.6 kbps
Transmission code ASCII
Communications data length 7 or 8 bits, Default: 7
Communications stop bits 1 or 2 bits, Default: 2
Communications parity Vertical parity: None, even, or odd,
Default: Even
Flow control None
Item Specification
Model number E54-CT1 E54-CT3 G3ZA-CT150L
Max. continuous
heater current 50 A 120 A (See note.) 150 A
Detection current
with G3ZA
connected 50 A 150 A
Dielectric strength 1,000 VAC for 1 min 2,000 VAC for 1
min
Vibration resistance
98 m/s 2 , 50 Hz
Weight Approx. 11.5 g Approx. 50 g Approx. 130 g
Accessories None Connection
terminals (2)
Plugs (2) None