User`s manual

2 • Introduction

1.2 Applications

• Industrial ON/OFF control

• External high power relay driving and signal switching

• Laboratory automation

• Industrial automation

• Switch contact status sensing

• Limit switch monitoring

• Cooperating with other modules such as A/D and D/A peripherals to

implement a data acquisition and control system

1.3 Specifications

Relay Output

• Number of channels: 24

• Relay type: DPDT (2 Form C), non-latching

• Switching capacity:

• Max. switching current: 2A

• Max. switching voltage: 220V

, 125V

• Max. switching power: 50VA, 60W

♦ Max. carrying current: 2A

• Failure rate: 10µA

• Contact resistance: 100mΩ max.

• Relay set/reset time

• Operate time: 4ms max.

• Release time: 4ms max.

• Bounce time: 1ms max.

• Expected life:

• Mechanical life: 10

operations min.

• Electrical life: 5x10

operations min. (1A @ 30V

, resistive load)

• Data transfer: Programmed I/O

Auxiliary Digital I/O

• Numbers of channel: 3 inputs/outputs

• Compatibility: 3.3 V/TTL (5V tolerant)

• Data transfers: programmed I/O

Handshaking Signals

• Programmable polarity

• Logic level: 3.3 V/TTL (5V tolerant)

• Trigger In source: TRG_IN, PXI trigger bus, PXI star trigger in

• Scanner Advanced destination: S_ADV, PXI trigger bus, PXI star

trigger out