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====== 442EMS - 8 channel AC distribution module with Transfer Switch ======

{{http://support.e-plex.co/Product Photos/442EMS render.JPG?400}}

E-Plex AC distribution module transfer switch and 8 independent channels. Each channel is capable of up to 20A AC, at up to 250V.\\
It also features voltage, current and frequency monitoring from single phase sources, or from split phase 240V supplies.\\
It can accept two inputs (typically shore and generator) at up to 75A each and perform automatic or manual transfers between them. 

===== E-Logic object ====

{{:hardwarepub:modules:442ems_object.png?direct|}}

==== Pin descriptions ====

^  Input      ^  Type              ^  Description                   ^
| Relay1      | Digital            | Hold high to turn on relay 1.  |
| Relay2      | Digital            | Hold high to turn on relay 2.  |
| Relay3      | Digital            | Hold high to turn on relay 3.  |
| Relay4      | Digital            | Hold high to turn on relay 4.  |
| Relay5      | Digital            | Hold high to turn on relay 5.  |
| Relay6      | Digital            | Hold high to turn on relay 6.  |
| Relay7      | Digital            | Hold high to turn on relay 7.  |
| Relay8      | Digital            | Hold high to turn on relay 8.  |
| |||
| Shore       | Digital            | Pulse to select shore supply.      |
| Open        | Digital            | Pulse to disconnect supply         |
| Gen         | Digital            | Pulse to select generator supply.  |
^  Output     ^  Type              ^  Description               ^
| CircBrk1    | Digital            | Circuit breaker 1 status.  |
| CircBrk2    | Digital            | Circuit breaker 2 status.  |
| CircBrk3    | Digital            | Circuit breaker 3 status.  |
| CircBrk4    | Digital            | Circuit breaker 4 status.  |
| CircBrk5    | Digital            | Circuit breaker 5 status.  |
| CircBrk6    | Digital            | Circuit breaker 6 status.  |
| CircBrk7    | Digital            | Circuit breaker 7 status.  |
| CircBrk8    | Digital            | Circuit breaker 8 status.  |
| |||
| Shore Avl   | Digital            | Shore input available.               |
| Gen Avl     | Digital            | Generator input available.           |
| Out Avl     | Digital            | Selected input is available.         |
| Shore Sel   | Digital            | Shore input selected.                |
| Gen Sel     | Digital            | Generator input selected.            |
| Auto/Man1   | Digital            | Rotary switch position (see below).  |
| Auto/Man2   | Digital            | ::: |
| GndFault    | Digital            | Ground fault (a voltage has been detected between earth and neutral) |
| |||
| Current L1  | Analogue (8-bit)   | The current through L1 (A).       |
| Voltage L1  | Analogue (8-bit)   | The voltage across L1 (V).        |
| Current L2  | Analogue (8-bit)   | The current through L2 (A).       |
| Voltage L2  | Analogue (8-bit)   | The voltage across L2 (V).        |
| Frequency   | Analogue (10-bit)  | The A.C. frequency (Hz X 10).     |
| 220         | Digital            | L1 and L2 are 180° out of phase.  |

=== Rotary switch position ===

^  E-Logic Output           ^^  Rotary Switch Position  ^
^  Auto/Man1  ^  Auto/Man2   ^  :::                     ^
|  0          |  0           |  Off                     |
|  1          |  0           |  Manual 1                |
|  0          |  1           |  Manual 2                |
|  1          |  1           |  Auto                    |

===== Links =====

  * [[http://support.e-plex.co/Datasheets/442EMS.pdf|Datasheet]]
  * [[:HardwareDist:Modules:442EMS|Distributor resources]] (requires distributor login[[:Distributor login|{{:help.png|}}]])