Unit installation

MAC 10

LEDC

4x4 Fan Filter Unit

7Innovators in Clean Air Technology | www.envirco.com | Operation & Maintenance

Installation & Service Manual

■ Universal Control Card Set Up

UNIVERSAL CONTROL CARD - PRODUCT OVERVIEW

Envirco’s ENV1028 Universal Control Card provides MODBUS network and analog control capabilities to an Envirco Fan Filter Unit

equipped with an electrically commutated motor. Three different control modes provide installation versatility by allowing the FFU to

be controlled via MODBUS RTU network, analog 0-10 VDC control signal, or by adjusting the onboard potentiometer. The ENV1028

Universal Control Card is fully compatible with all of Envirco’s plug & play System Control Consoles using MODBUS RTU. Additional

details of the controls modes are provided on page 8.

FEATURES

• Networkable Via MODBUS RTU

• 0-10 VDC Analog Control

• Manual Control Via Onboard Potentiometer

• Simple Connections

• RJ45 For Networking Connection

• Screw Terminals For Analog Control

• Test Probe Jacks For DC mV Signal Output Of The Following...

• RPM

• Motor Control Set Point

• LED Diagnostics

• Support for external LED (10mA) remote status notication via 2 Pin MTA connector

• Onboard green LED for Board Status notication

• Onboard red LED for Network Trafc

• Powered from Network or Local Supply

CONTROL MODE DIP SWITCH

NETWORKING

ADDRESSING DIP SWITCH

DUAL RJ-45 JACKS FOR CAT 5 CABLE

RED LED FOR NET ACTIVITY

GREEN LED FOR SYSTEM/RPM STATUS

RPM TEST PROBE JACK "SIGNAL"

MANUAL SPEED POT

RPM TEST PROBE JACK "COM"

ANALOG INPUT "SIGNAL"

ANALOG INPUT "COM"

INCOMING POWER 24VAC

COMMON

MOTOR CONTROL HARNESS CONECTOR

EXTERNAL

LED CONNECTOR

1 1 2 3 4 5 6 7 82