20 Pcs/Ctn for isolated barrier, Packing Size: 320*240*250 mm
HD5526 SOLENOID/ALARM DRIVERS
The HD5526 enables a device located in the hazardous area to be controlled by a volt-free contact or logic signal in the safe area. It is suitable for driving loads such as solenoids, alarms and other low-powered devices. A line fault is signalled in the safe area by a solid-state switch which de-energizes if a field line is open- or short-circuited.
Number of channels 1 Location of solenoid valves Zone0, IIC, T4-T6 hazardous area Div 1, Group A, hazardous location
Control input Suitable for switch contacts, an open collector transistor or logic drive Output turns on if input switch closed, transistor on or < 1.4V applied across terminals 7 & 8 Output turns off if input switch open, transistor off or > 4.5V applied across terminals 7 & 8
Response time Output within 10% of final value within 100ms Line fault detection Open or short circuit in field cabling de-energizes solid state line-fault signal. LFD transistor is switched on, provided that the field circuit impedance is > 55Ω and < 6.5kΩ.
Line fault signal characteristics Maximum off-state voltage: 35V Maximum off-state leakage current: 5μA Maximum on-state voltage drop: 2V Maximum on-state current: 50mA Power supply (20~35)VDC Max current consumption 90mA at 24VDC Isolation 250V AC/DC between safe and hazardous area circuits NEPSI max approval parameters Terminals 3-4: Uo=25.4V, Io=143mA, Co=0.105μF, Lo=1.5mH, Po=910mW LED indicators PWR:green for power on indication STS:green when output turns on LFD:red for line fault detection indication