2400-R2 – Relay Expansion Unit for the 2400-A16
Brand: Intech
$880.00 Excl. GST
All prices are in NZ$, and GST exclusive and are subject to change without notice.
Product Details
Description
The 2400-R2 16 Channel Relay Output Expansion Module is used in conjunction with the 2400-A16. This allows the 2400-A16 to stand alone as a 16 channel controller/alarm unit.
A second 2400-R2 can then be connected to the first 2400-R2, creating a 32 channel controller/alarm unit. The 2400-R2 relay outputs can be used for any combination of control and alarm functions.
The control parameters for each of the 16 controllers are downloaded from the user friendly MicroScan Software, and stored in permanent memory on the 2400-A16. These parameters include Setpoint (SV), Switching Differential, Auto/Manual, Manual Output Setting, Dual Action Control, Single Action Control, Heat/Cool, Heat Only, Cool Only. The 16 controller alarms will operate unaffected by computer power downs, reboots, etc. The relay outputs can also be accessed directly from the SCADA.
Terminals and Layout:
Note: The 2400-R2 has no user serviceable parts.

2400-R2 features
- 16 Digital, Isolated, Relay Outputs.
- Cascade option for a second 2400-R2.
- Enables 32 Digital, Isolated, Relay Outputs.
- Cost Effective Output Expansion for the 2400-A16.
- Easy Programming Via MicroScan.
- Programmable Relay States – NO or NC.
- 24Vdc, 10VA Power Supply.
- Compact DIN Rail Mount Enclosure.
- Easy to Install.
Technical Specs
| TYPE | 2400-R2 |
| Input: | Interfaced with the 2400-A16 / 2400-M-R. |
| Relay Outputs: | 16 Individually Isolated Changeover Relays with LED Indication on Each Output. |
| Functions | When used with a 2400-A16 / 2400-M-R, the relays can be used as: Set-Point (SV) Switching Differential, Auto/Manual, Manual Output Setting, Single Action Control = Cool Only or Heat Only, Dual Action Control = Heat/Cool. |
| Contact Material | Gold Clad Silver |
| Relay Ratings | Maximum Rating Approved to Standard |
| 250Vac, 5A. UL | |
| 30Vdc, 5A. | |
| Power: | 24Vdc ±15%, 10VA. |
| Safety Compliance: | |
| EMC Emissions Compliance | EN 55022-A. |
| EMC Immunity Compliance | EN 50082-1. |
| Safety Compliance | EN 60950. |
| General Specifications: | |
| RF Immunity | <±1% Effect FSO Typical. |
| Operating Temperature | 0~60°C. |
| Storage Temperature | -20~80°C. |
| Operating Humidity | 5~85%RH Max. Non-Condensing. |
| Housing Material | ABS Inflammability V0 (UL94) |
| Mounting | 35mm Symmetrical Mounting Rail. |
| Dimensions | L=255, W=145, H=60mm. |
| Weight | 0.95kg Includes Packaging. |
Documents
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