Toshiba BMS-TP0641ACE, Руководство по установке

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6
I/O Port Connection
The I/O Port 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.
I/O Port
1
2
3
4
5
6
7
8
9
10
Pin No. Signal name
PI_PCOM
PI(0)
PI(1)
PI(2)
P_PO(0)
N_PO(0)
P_PO(1)
N_PO(1)
P_PO(2)
N_PO(2)
Input plus common
Input 0
Input 1
Input 2
Output 0+
Output 0-
Output 1+
Output 1-
Output 2+
Output 2-
Remarks
↓
Front (LCD side)
10 1
Input/Output specifications
Input
Output
Photo-coupler insulation
3
3k ohm
Open collector
3
Max. 100mA (per 1 output)
Less than 30V DC
Input type
Number of input
Input resistance
Output type
Number of output
Output current
Output voltage
(1) The example of input circuit is shown below.
It is electrically insulated by the photo-coupler.
(2) The example of output circuit is shown below.
It is electrically insulated by the photo-coupler.
10 k ohm
3 k ohm
1/2 W
PI_PCOM
PI(0) - PI(2)
Input/Output
connector
Input c
ontact
External power supply
(12 V - 24 V DC)
330 ohm
load
(External circuit)
Input/Output
connector
External power
supply
(Max. 30 V DC)
PC357
4.7 k ohm
P_PO(0) - P_PO(2)
2SD780A
N_PO(0) - N_PO(2)
Connection of Power cables/Earth wires/
2
Signal wires
(continued)