Toshiba BMS-IFDD03UL Installation Manual

Digital input / output relay interface

Quick Links

DIGITAL INPUT / OUTPUT RELAY INTERFACE
Installation Manual
Model name:
BMS-IFDD03UL
loading

Summary of Contents for Toshiba BMS-IFDD03UL

  • Page 1 DIGITAL INPUT / OUTPUT RELAY INTERFACE Installation Manual Model name: BMS-IFDD03UL...
  • Page 2: Table Of Contents

    Installation Manual Digital Input / Output Relay Interface • Thank you very much for purchasing this TOSHIBA / Carrier Digital Input / Output Relay Interface. • Please read this manual carefully beforehand for proper installation of the relay interface. Contents 1 Precautions for safety .
  • Page 3: Precautions For Safety

    Installation Manual Digital Input / Output Relay Interface Precautions for safety • Read these “Precautions for Safety” carefully before installation. • The precautions described below include important items regarding safety. Observe them without fail. Understand the following details (indications and symbols) before reading the body text, and follow the instructions.
  • Page 4: Introduction

    Installation Manual Digital Input / Output Relay Interface Introduction  Applications / functions / specifications Applications • The Digital Input / Output Relay Interface is used to control air conditioners by interlocking them with electric lock signals, and to transmit air conditioner failures to other devices. Functions •...
  • Page 5: Before Installation

    Installation Manual Digital Input / Output Relay Interface Before installation Check the following package contents. Item Quantity Remarks Digital Input / Output Relay Interface Installation Manual Screw 5/32” x 0.47” (M4 x 12 mm) tapping screws Pin terminal Cable clamp Use the following wiring materials to connect the signal lines and power lines.
  • Page 6: Connection Of Power Cables / Earth Wires / Communication Cables

    Installation Manual Digital Input / Output Relay Interface Connection of power cables / earth wires / communication cables CAUTION • The RS-485 communication cable has polarity. Connect A to A, and B to B. If connected with incorrect polarity, the unit will not work.
  • Page 7 Installation Manual Digital Input / Output Relay Interface  Wiring connection The following describes a connection example of Digital Input / Output Relay Interface. CAUTION If an inductive load (relay coil) or a bulb is connected, a surge voltage or rush current will be generated. Take adequate measures against surge voltage or rush current.
  • Page 8 Installation Manual Digital Input / Output Relay Interface  Connection diagram Smart BMS The RS-485 signal Manager wire has polarity A and B. Be careful when connecting the wire. Input contact 1 Input contact 2 Input contact 3 Input contact 4 Input contact 5 The RS-485 communication cable must Input contact 6...
  • Page 9: Setting

    Installation Manual Digital Input / Output Relay Interface Setting Address set switch LED4 LED2 Address LED5 LED3 LED1 0, 9-F Not used Operating mode set switch (0 usually) 1 2 3 4 Test switch (all OFF usually) Test switch Reset switch RS-485 terminator resistor select switch LED9 LED7...
  • Page 10: Test Run

    Installation Manual Digital Input / Output Relay Interface Test run  Before starting test run Turn on the power of the Digital Input / Output Relay Interface after all cable connections and settings are completed. Turn on power of the air conditioning control system. ...
  • Page 11 Installation Manual Digital Input / Output Relay Interface Checking the RS-485 communication status Use LED2 for checking the RS-485 communication status. When RS-485 communication with Smart BMS Manager is normal, LED2 will blink. Normal operation Abnormal operation LED1 Power indicator LED2 RS-485 communication status indicator Blinking...
  • Page 12 DE93229101-1...