National Instruments FieldPoint cFP-RLY-425 Operating Instructions Manual Download

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National Instruments Corp.

cFP-RLY-425

Figure 1.

Installing the cFP-RLY-425

Mounting the System Upright

To ensure maximum cooling efficiency, mount the Compact
FieldPoint system so that the I/O module vents are at the top and
bottom as shown in Figure 2.

cFP-RLY-425

Captive Screws

cFP Controller Module

Screw Holes

cFP Backplane

Summary of Contents for FieldPoint cFP-RLY-425

Page 1: ...250 Vrms CAT II continuous channel to channel and channel to ground isolation verified by 2 300 Vrms 1 minute dielectric withstand test Hot swappable Power Requirement The cFP RLY 425 is powered by t...

Page 2: ...ent is less than the 9 W maximum Installing the cFP RLY 425 The cFP RLY 425 mounts on a Compact FieldPoint backplane cFP BP x which provides operating power to the module Installing the cFP RLY 425 on...

Page 3: ...Mounting the System Upright To ensure maximum cooling efficiency mount the Compact FieldPoint system so that the I O module vents are at the top and bottom as shown in Figure 2 1 cFP RLY 425 2 Captiv...

Page 4: ...fied personnel adhering to local electrical standards A hazardous voltage is a voltage greater than 42 4 Vpeak or 60 VDC The screw terminals for the CHx and COMx pins are on two detachable screw termi...

Page 5: ...ght connector are for channels 4 7 Figure 3 shows how to orient the two connectors with respect to the cFP RLY 425 Figure 3 cFP RLY 425 Screw Terminal Connectors 7 8 5 6 3 4 1 2 15 13 14 11 12 9 10 7...

Page 6: ...ell as shown in Figure 4 Make sure that you use the half of the shell with the strain relief screw holes Figure 4 Placing the Screw Terminal Connector in the Shell Install the strain relief bar as sho...

Page 7: ...truments Corp 7 cFP RLY 425 Close the shell as shown in Figure 6 Figure 6 Closing the Connector Shell Install the labels and label covers as shown in Figure 7 Figure 7 Installing the Label Covers on t...

Page 8: ...RLY 425 Wire a load to a channel of the cFP RLY 425 as shown in Figure 9 Install a 5 A 250 V maximum fast acting fuse F 5 A L 250V at the COMx terminal to protect the module and the load from damage F...

Page 9: ...ntacts and greatly shorten the life of the relay It is best to limit flyback voltages by installing a flyback diode across an inductive DC load or a metal oxide varistor MOV across an inductive AC loa...

Page 10: ...L and IEC require the use of double insulation between hazardous voltages and any human accessible parts or circuits Never try to use any isolation product between human accessible parts such as DIN r...

Page 11: ...ontact and working voltages higher than 250 Vrms Operate the cFP RLY 425 only at or below Pollution Degree 2 Pollution Degree 2 means that only nonconductive pollution occurs in most cases Occasionall...

Page 12: ...open Maximum switching capacity resistive load At 250 VAC 3 A At 150 VAC 5 A At 0 to 18 VDC 5 A At 125 VDC 0 2 A Maximum switching power on each channel 750 VA 90 W Minimum switching load 1 mA at 5 V...

Page 13: ...50 m Note DC path resistance typically remains low for the life of the relay At the end of relay life the path resistance rises rapidly above 1 Load ratings apply to relays used within the specificat...

Page 14: ...ealed enclosure Operating temperature1 40 to 70 C Storage temperature 55 to 85 C Humidity 10 to 85 RH noncondensing Maximum altitude 2 000 m at higher altitudes the isolation voltage ratings must be l...

Page 15: ...To obtain the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column Where to Go for Support For more informa...

Page 16: ...our local branch office Australia 1800 300 800 Austria 43 0 662 45 79 90 0 Belgium 32 0 2 757 00 20 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 6555 7838 Czech Republic 420 224 235 774 Denm...

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National Instruments FieldPoint cFP-RLY-425, Operating Instructions Manual

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