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
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