Überblick
The A6REL-12 has six internal relays for controlling up to 12 external AC or DC devices. Each relay set can be controlled manually or by a datalogger.
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- UL/CUL approved product
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Technische Beschreibung
The A6REL-12's internal relays are dual single-pole double-throw. Each of the six relays has a three position toggle switch; "on" and "off" for manual override, and "auto" for datalogger control. In the on position, the common and normally open contacts are shorted. In the auto position, the state of a relay is controlled by a datalogger control port.
A6REL-12's with serial numbers 1445 and higher are UL-approved.
Spezifikationen
| Function | Controls up to 12 external ac or dc devices. |
| Number of Channels | 6 |
| Operating Voltage | 12 Vdc nominal (8.4 to 24 Vdc) |
| Current Drain at 12 Vdc |
|
| Toggle Switch | ON/OFF manual override; AUTO for data logger control |
| Relays | dual single pole double throw, break before make |
| Contact Material | Gold-clad silver |
| Coil Resistance | 720 Ω ±10% |
| Contact Ratings |
|
| Release/Actuation Time | ~3 ms |
| Operating Temperature | -40° to +70°C |
| Standards |
|
| Dimensions | 22.4 x 13.9 x 4.1 cm (8.8 x 5.5 x 1.6 in.) including switches and mounts |
| Weight | 635 g (1.4 lb) |
Expected Life (contact closures) |
|
| Mechanical | 108 |
| Electrical |
|
Kompatibel mit
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Datenlogger
| Product | Compatible | Note |
|---|---|---|
| CR1000 (retired) | ||
| CR200X (retired) | ||
| CR216X (retired) | ||
| CR3000 | ||
| CR5000 (retired) | ||
| CR800 (retired) | The CR800 has only four control ports capable of providing a control signal. | |
| CR850 (retired) | The CR850 has only four control ports capable of providing a control signal. | |
| CR9000X (retired) |
Additional Compatibility Information
Data Logger Considerations
Each of the six relays is controlled by a data logger control port.
Cables
| Cable(s) Used | Number of Relays Controlled |
| One CABLE3CBL-L | 1 |
| One CABLE4CBL-L | 2 |
| One CABLE5CBL-L | 3 |
| Two CABLE3CBL-L | 4 |
| One CABLE3CBL-L and one CABLE4CBL-L |
5 |
| Two CABLE4CBL-L | 6 |
Power Considerations
The A6REL-12 consumes 30 mA per active LED. The A6REL-12 may be powered by the data logger power supply (see manual for considerations with 21X) or a separate 8.4 to 24 Vdc battery. The A6REL-12 must be powered by a Class 2 device (Campbell Scientific power supplies conform to this requirement).
Enclosure Considerations
The A6REL-12 requires a non-condensing environment; a Campbell Scientific enclosure is recommended. A6REL-12's with serial numbers 1445 and higher include mounting flanges with keyhole slots that attach to the backplate of an enclosure. Grommets and screws are provided.
A6REL-12s with serial numbers 1444 and lower require the 6281 bracket kit for attachment to the backplate of Campbell enclosures.
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FAQs für
Number of FAQs related to A6REL-12: 1
-
The following relay devices can be used with the CR800 and the CR850:
- 7321
- A6REL-12*
- A21REL-12
- LR4
- SDM-CD8S
- SDM-CD16AC
- SDM-CD16S
The CR800 and the CR850 can also be used with a wide variety of third-party relay devices.
*Because the CR800 and the CR850 only have four digital ports, they do not have the ability to switch all six of the relays on the A6REL-12.