DIGITAL INPUT FB1208B

TÍNH NĂNG NỔI BẬT

• 8 kênh
• Đầu vào Ex ia
• Lắp đặt trong các thùng phù hợp trong Vùng 1
• Mô-đun có thể được trao đổi dưới điện áp (trao đổi nóng)
• Tiếp điểm khô hoặc đầu vào NAMUR
• Có thể lựa chọn logic tích cực hoặc tiêu cực
• Chế độ mô phỏng cho các hoạt động dịch vụ (buộc)
• Phát hiện lỗi đường dây (LFD)
• Tự giám sát vĩnh viễn
• On/Off delay

THÔNG SỐ KỸ THUẬT

Slots
Occupied slots		2
Supply
Connection		backplane bus
Rated voltage		12 V DC , only in connection with the power supplies FB92**
Power dissipation		0.95 W
Power consumption		0.95 W
Internal bus
Connection		backplane bus
Interface		manufacturer-specific bus to standard com unit
Digital input
Number of channels		8
Sensor interface
	Connection	NAMUR sensor
	Connection [2]	volt-free contact
Connection		channel I: 1+, 2-; channel II: 3+, 4-; channel III: 5+, 6-; channel IV: 7+, 8-; channel V: 9+, 10-; channel VI: 11+, 12-; channel VII: 13+, 14-; channel VIII: 15+, 16-
Rated values		acc. to EN 60947-5-6 (NAMUR)
Switching point/switching hysteresis		1.2 … 2.1 mA / ± 0.2 mA
Internal resistor		1 kΩ
Line fault detection		can be switched on/off for each channel via configuration tool
	Connection	mechanical switch with additional resistors (see connection diagram) proximity switches without additional wiring
	Short-circuit	< 360 Ω
	Open-circuit	< 0.35 mA
Minimum pulse duration		1 ms
Indicators/settings
LED indication		LED green: supply LED red: line fault
Coding		optional mechanical coding via front socket
Directive conformity
Electromagnetic compatibility
	Directive 2014/30/EU	EN 61326-1:2013
Conformity
Electromagnetic compatibility		NE 21
Degree of protection		IEC 60529
Environmental test		EN 60068-2-14
Shock resistance		EN 60068-2-27
Vibration resistance		EN 60068-2-6
Damaging gas		EN 60068-2-42
Relative humidity		EN 60068-2-78
Ambient conditions
Ambient temperature		-20 … 60 °C (-4 … 140 °F)
Storage temperature		-25 … 85 °C (-13 … 185 °F)
Relative humidity		95 % non-condensing
Shock resistance		shock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Vibration resistance		frequency range 10 … 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration ± 0.075 mm/1 g; 10 cycles frequency range 5 … 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance
Damaging gas		designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3
Mechanical specifications
Degree of protection		IP20 (module) , a separate housing is required acc. to the system description
Connection		removable front connector with screw flange (accessory) wiring connection via spring terminals (0.14 … 1.5 mm2) or screw terminals (0.08 … 1.5 mm2)
Mass		approx. 750 g
Dimensions		57 x 107 x 132 mm (2.2 x 4.2 x 5.2 inch)
Data for application in connection with hazardous areas
EU-type examination certificate		PTB 97 ATEX 1074 U
	Marking	II 2(1) G Ex d [ia Ga] IIC Gb  II (1) D [Ex ia Da] IIIC
Input
	Voltage	15.3 V
	Current	16.1 mA
	Power	61.8 mW (linear characteristic)
Galvanic isolation
	Input/power supply, internal bus	safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity
	Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 EN 60079-1:2014 EN 60079-11:2012
International approvals
ATEX approval		PTB 97 ATEX 1075 ; PTB 97 ATEX 1074 U
General information
System information		The module has to be mounted in appropriate backplanes and housings (FB92**) in Zone 1, 2, 21, 22 or outside hazardous areas (gas or dust). Here, observe the corresponding EC-type examination certificate.