通用输入输出模块 LB7104A
来源：未知 日期：2017/02/20 浏览量：次
● 4-channel
● Inputs Ex ia, Outputs Ex ia
● Installation in Zone 2, Div. 2 or safe area
● Analog input, digital input,
● analog output, digital output
● Supply circuit 15 V (20 mA)
● HART communication via field bus or service bus
● Simulation mode for service operations (forcing)
● Line fault detection (LFD): one LED per channel
● Permanently self-monitoring
● Module can be exchanged under voltage
| Supply： | ||
|---|---|---|
| Connection | backplane bus | |
| Rated voltage | 12 V DC , only in connection with the power supplies LB9*** | |
| Power dissipation | 1.5 W | |
| Power consumption | 3 W | |
| Internal bus： | ||
| Connection | backplane bus | |
| Interface | manufacturer-specific bus to standard com unit | |
| Input： | ||
| Number of channels | 4 | |
| Connection |
Analog input (HART) : terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- Digital Input : terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- |
|
| Output： | ||
| Number of channels | 4 | |
| Connection |
Analog output (HART) : terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- Digital Output : terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- |
|
| Watchdog | output off 0.5 s after serious fault | |
| Analog input： | ||
| Suitable field devices | transmitters for pressure, differential pressure, level, flow, temperature, etc. | |
| Transmitter supply voltage | 15 V at 20 mA | |
| Line fault detection | can be switched on/off for each channel via configuration tool , configurable via configuration tool | |
| Short-circuit | Ex works settings: > 21 mA configurable between 0 ... 26 mA | |
| Open-circuit | Ex works settings: < 3.6 mA configurable between 0 ... 26 mA | |
| Analog output： | ||
| Suitable field devices | proportional valves , I/P converters , local indicators | |
| Line fault detection | can be switched on/off for each channel via configuration tool , configurable via configuration tool | |
| Short-circuit | Ex works settings: < 50 Ω configurable between 0 ... 26 mA | |
| Open-circuit | deviation of preset output value > 0.5 mA | |
| Load | 750 Ω max. | |
| Digital input： | ||
| Suitable field devices | mech. contacts or optocouplers | |
| Switching point: OFF | < 1.2 mA | |
| Switching point: ON | > 2.1 mA | |
| Line fault detection | can be switched on/off for each channel via configuration tool | |
| Connection | mechanical switch with additional resistors (see connection diagram) | |
| Short-circuit | > 7 mA | |
| Open-circuit | < 0.1 mA | |
| Digital output： | ||
| Suitable field devices | solenoid valves, acoustic alarms and LED indicators (line fault detection can be deactivated) | |
| Drive capability | 12 V / 25 mA | |
| Open loop voltage | min. 22.7 V | |
| Current limit | 26 mA | |
| Line fault detection | can be switched on/off for each channel via configuration tool | |
| Test current | 0.4 mA | |
| Short-circuit | < 50 Ω | |
| Open-circuit | < 0.2 mA | |
| Internal resistance | 385 Ω | |
| Transfer characteristics： | ||
| Deviation | 0.1 % of the signal range at 20 °C (68 °F) | |
| Refresh time | approx. 100 ms (4 channels) | |
| Indicators/settings： | ||
| LED indicator |
Power LED (P) green: supply Diagnostic LED (I) red: module fault , red flashing: communication error , white: fixed parameter set (parameters from com unit are ignored) , white flashing: requests parameters from com unit Status LED (1-4) red: line fault (lead breakage or short circuit) , yellow: state of digital I/O (0/1) Configuration LED (AI, AO, DI, DO) white: selected channel mode |
|
| Directive conformity： | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2006 | |
| Conformity： | ||
| Electromagnetic compatibility | NE 21:2007 | |
| Degree of protection | IEC 60529:2000 | |
| Ambient conditions： | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Storage temperature | -25 ... 85 °C (-13 ... 185 °F) | |
| Shock resistance | shock type I, shock duration 11 ms, shock amplitude 50 m/s2, number of shock directions 6, number of shocks per direction 100 | |
| Vibration resistance | frequency range 5 ... 500 Hz, amplitude 5 ... 13.2 Hz ± 1.5 mm, 13.2 ... 100 Hz 1g, sweep rate 1 octave/min, duration 10 sweeps 5 Hz - 100 Hz - 5 Hz | |
| Damaging gas | designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3 | |
| Mechanical specifications： | ||
| Degree of protection | IP20 when mounted on backplane | |
| 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. 100 g | |
| Dimensions | 16 x 100 x 102 mm (0.63 x 3.9 x 4 inch) | |
| Data for application in connection with hazardous areas： | ||
| EC-Type Examination Certificate | BVS 11 ATEX E 116 X | |
| Group, category, type of protection, temperature class |
 II 3(1) G Ex nA [ia Ga] IIC T4 Gc I (M1) [Ex ia Ma] I II (1) D [Ex ia Da] IIIC |
|
| Input | ||
| Voltage | 27 V | |
| Current | 87 mA | |
| Power | 575 mW (linear characteristic) | |
| Output | ||
| Voltage | 27 V | |
| Current | 87 mA | |
| Power | 575 mW (linear characteristic) | |
| Galvanic isolation | ||
| Rated voltage | 250 V field circuits to control and supply circuits | |
| Input/power supply, internal bus | safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V | |
| Output/power supply, internal bus | safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V | |
| Directive conformity | ||
| Directive 2014/34/EU |
EN 60079-0:2009 EN 60079-11:2007 EN 60079-15:2010 EN 60079-26:2007 EN 61241-11:2006 EN 50303:2000 |
|
| International approvals： | ||
| ATEX approval | BVS 11 ATEX E 116X | |
| UL approval | E106378 | |
| IECEx approval | BVS 11.0068X | |
| Approved for |
Ex nAc [ia] IIC T4 [Ex ia] IIIC [Ex ia] I |
|
| EAC approval | Russia: RU C-IT.MIII06.B.00129 | |
| Marine approval | ||
| Lloyd Register | 15/20021 | |
| American Bureau of Shipping | T1450280/UN | |
| Bureau Veritas Marine | 22449/B0 BV | |
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