AB-6655
7
Input/output specifications
Unit to be
connected
Input/output description
Input/output specification
Connection type
Wire/tube specification
VAV unit
Air flow signal in
put
Air flow pulse
Voltage pulse input
Terminal connection:
Push-in terminal block
2.5 mm
2
or smaller
Max. 5 m
Voltage:
5 V DC
20 % for high level
0 V DC to 0.5 V DC for low level
Current:
Max. 10 mA
Pulse width: 450
s or more for high level
450
s or more for low level
Frequency:
Max. 1000 Hz + 10 % or less
100 Hz or higher for full span
Current restriction resistance: 470
Direct air flow
sensor
Differential pressure input sensor
Differential pressure sensing range:
P = 0 Pa to 250 Pa
Temperature characteristics:
0.5 % of full span
C (0
C to 50
C, 1013 hPa)
Tube
connection
Length: Max. 1m at each port
Inner diameter (flexible tube):
5.0 mm to 6.0 mm
Inner diameter (inflexible tube):
5.5 mm to 6.5 mm
Outer diameter: Max. 10.0 mm
Material: PVC, silicon rubber
(e.g., TYGON
Model R-3603)
Heater and fan
Dry contact
30 V AC, 0.8 A or 30 V DC, 0.5 A
Terminal connection:
Push-in terminal block
2.5 mm
2
or smaller
Max. 5 m
Temperature
sensor
Pt100 input
Pt100 temperature sensor
Input temperature range: 0
C to 50
C
Connector
connection*
1
LAN cable*
2
Max. 50 m
User terminal
Temperature setting
Air conditioning
ON/OFF
Serial voltage transmission
Transmission speed: 100 bps
Connector
connection*
1
LAN cable*
2
Max. 50 m
Communication
line
LonTalk protocol
Transmission system: LonTalk protocol
(TP/FT-10)
Transmission speed: 78 kbps
Connector
connection*
1
LAN cable*
2
Max. 900 m
(for bus communication)
Power supply
Power supply voltage: 24 V AC
15 %
Terminal connection:
Push-in terminal block
2.5 mm
2
or smaller
Notes:
*1 For connector connection, use Bel Stewart Connector’s Plug: Model SS-37000-002.
This plug is also available at Azbil Corporation. (Part No. DY7207A0100, 100 pieces/set)
*2 LAN cable compliant with EIA/TIA-568 Category 3 or over (Φ0.5 mm
4 poles) is required.
For *1 and *2, the connector cable (regular cable: Part No. DY7210, short cable: Part No. DY7220) are available at Azbil Corporation.
