Toshiba BMS-TP0640ACE, Manual

Page: 44 / 104

44
Connections (TCS-NET RELA
Y INTERF
A
CE (BMS-IFLSV1E)
Connect po
wer cab
les
, ear
th wires, and signal cab
les to the specified ter
minals on the ter
minal b
lock.
•
The RS-485 signal lines have polar
ity
. Connect A to A, and B to
B. If connected with incorrect polar
ity
, the unit will not wo
rk
.
•
The Main BUS signal lines have no polar
ity
.
CA
UTION
1
O
SW6
N
ONO
N
LED5
3
121
2
LED4
4
SW5
ONO
N
LED3
121
2
LED2
SW7
LED1
U2 U1
TCC -LINK
B A
RS-485
2
SW1
SW2 SW 3 SW4
FG
35
10
35
10
L N
55
10
L N
Secure each cable with a cable clamp.
Connect the shield wire of the Main BUS communication wire to the earth on the air conditioner side. Do not connect the shield wire to the terminal block. It should be open and insulated.
Connect the shield wire of the RS-485 communication wire to the earth on the Intelligent server side. Do not connect the shield wire to the terminal block. It should be open and insulated.
Air conditioner
Intelligent server
P
o
w
er supply
Length of stripped power cable
Length of stripped RS-485 communication wire
Install a breaker at the primary side of the po
w
er supply
.
REQUIREMENT
Connect the earth wire to the earth terminal on the chassis.