제품소개

제품소개

PCI-6521 / 779312-01

ㆍ▷ 16-채널, ±30 VDC, 8 싱크/소스 입력, 8 싱크 출력 (150 V), 뱅크 절연 디지털 I/O 디바이스

ㆍ▷ Nonlatching mechanical relay outputs

ㆍ▷ Relay outputs: up to 2 A switching current, 60 W switching power

ㆍ▷ 24 V logic, sinking or sourcing inputs

Data sheet

Features
▷ Nonlatching mechanical relay outputs
▷ Relay outputs: up to 2 A switching current, 60 W switching power
▷ 24 V logic, sinking or sourcing inputs
▷ Isolation: 60 VDC Continuous Channel-to-Channel, 150 V Continuous 
    Channel-to-Bus and Channel-to-Earth
▷ Programmable power-up states and input filters, watchdog timer, change detection

Specification & Introduction
 Digital I/O
▷ Number of channels 
    16 (eight optically isolated digital input channels 
    and eight non-latching relay output channels)
▷ Data transfers 
    Interrupts, programmed I/O
▷ I/O connector 
    37-pin keyed male D-SUB
 Isolated Inputs
▷ Number of input channels 
    8 (each bipolar and isolated from other channels)
▷ Configuration 
    8-channel optically isolated digital inputs
▷ Input voltage range 
    –30 VDC to 30 VDC, P0.X+ to P0.X–; 
    150 V, channel-to-earth1
▷ Isolation
    Channel-to-channel 
        60 VDC continuous2
    Channel-to-bus 
        150 V continuous3
    Channel-to-earth 
        150 V continuous4
▷ Input current
    11 V inputs 
        4.5 mA/channel maximum
    30 V inputs 
        12.5 mA/channel maximum
▷ Propagation delay 
    45 μs typical
 Electromechanical Relay Outputs
▷ Number of channels 
    8
▷ Configuration 
    3-channel SPDT, non-latching;
    5-channel SPST, non-latching
▷ Relay types 
    3 non-latching SPDT (Form C),
    5 non-latching SPST (Form A)
▷ Power-on state 
    De-energized, default; user-programmable to 
    de-energized or energized
▷ Default power-off state 
    Relays de-energized
▷ Contact rating
    Maximum switching power 
        60 W/60 VA
    Maximum voltage (AC) 
        150 VAC, CAT II
    Maximum voltage (DC) 
        150 VDC, CAT II
    Maximum current
        PXI-6521 (per channel) 
            2 A1
        PCI-6521 (per channel) 
            Refer to Figure 1
▷ DC path resistance
    Initial 
        <0.2 Ω typical
    End of life 
        ≥1.0 Ω typical
▷ Relay operate time 
    2 ms typical, 4 ms maximum
▷ Expected relay life
    Mechanical 
        100,000,000 cycles
    Electrical
        30 VDC, 1 ADC resistive 
            500,000 cycles
        30 VDC, 2 ADC resistive 
            100,000 cycles
        125 VAC, 0.2 AAC resistive 
            300,000 cycles
        125 VAC, 0.5 AAC resistive 
            100,000 cycles

Ordering Information