INSTALLATION MANUAL
DIGITAL INPUT/OUTPUT
RELAY INTERFACE
BMS-IFDD01E
• Thank you very much for purchasing this TOSHIBA Digital Input/Output Relay Interface.
• Please read this manual carefully beforehand for proper installation of the relay interface.
CONTENTS
Precautions for Safety.................................................................................................................... 1
Introduction ..................................................................................................................................... 2
Before Installation .......................................................................................................................... 3
1 Installation .................................................................................................................................... 4
2 Conection of Power cables/Earth wires/Singl wires ............................................................... 5
3 Setting .......................................................................................................................................... 8
4 Trial Operation Check ................................................................................................................. 9
Precautions for Safety
• Read these “Precautions for Safety” carefully before installation.
• The precautions described below include important items regarding safety. Observe them without fail.
• After the installation work, perform a trial operation to check for any problem. Follow the Owner's
Manual to explain how to use and maintain the unit to the customer. Ask the customer to keep this
Installation Manual together with the Owner’s Manual.
WARNING
• Ask an authorized dealer or qualified installation professional to install or reinstall the relay
interface.
Improper installation may result in electric shock or fire.
• Perform installation work properly according to this Installation Manual.
Improper installation may result in electric shock or fire.
• Do not modify the unit.
Any modification may cause a malfunction, resulting in overheating or fire.
CAUTION
• Perform wiring correctly in accordance with specified the current capacity.
Failure to do so may result in short-circuiting, overheating, or fire.
• Connect the specified cables for the terminals securely to prevent external forces from
affecting them.
Failure to do so may result in disconnection, overheating, or fire.
1
Introduction
nApplications/Functions/Specifications
Applications/Functions/Specifications
• Applications
The Digital Input/Output Relay Interface is used to control air conditioners by interlocking them with
electric lock signals and fire alarm signals, and to transmit air conditioner failures to other devices.
• Functions
The Digital Input/Output Relay Interface connects non-voltage contact signals, transmits their input
status to the Intelligent Server, and outputs signals from the contacts (open collector) according to the
command from the Intelligent Server.
• Specifications
Power supply
Power consumption
Operating temperature/
humidity
Storage temperature
Chassis material
Dimensions
Mass
220 - 240 V, AC 50/60 Hz
6.5 W
0 to 40 °C, 10 to 90% RH
-20 to +60 °C
Galvanized sheet metal 0.8t
(no coating)
66(H) x 193(W) x 246(D) mm
1.65 kg
Digital
input
Digital
output
External power supply for
Input/Output
Input type
Input points
Input registance
Input "ON" current
Output type
Output points
Output current
Output voltage
Photo-coupler insulation
8 points
9 k ohm
1 mA
Open collector
4 points
Max. 35 mA (per point)
Less than DC 24V
DC 12 V, 120 mA
External View
Grommet for
power input
1818 53.5 103.5
234
220
1818
Grommet for
Digital Inputs
92.5
(193)
Grommet for
RS485
64.5
Grommet for
Digital Outputs
246
66
63.6
2
Before Installation
Check the following package contents.
No.
1
DIGITAL INPUT/OUTPUT RELAY INTERFACE
2
Installation Manual
3
Screw
4
Pin terminal
Item
Use the following wiring materials to connect signal lines. (Procured on site.)
No.
1
2
Signaling line
For RS-485
For digital Input/Output
connection
Type
Wire size
Length
Type
Wire size
Length
2-core shield wire
1.25mm2, 500m max. (total length)
2-core wire, 0.3mm
Quantity
1
1
4
2
Description
Remarks
M4 x 12mm tapping screws
2
, 100m max.
3