Toshiba Carrier BMS-SM1280HTLUL Service Manual page 16

Length of stripped power cable
1.38" (35)
2.16" (55)
Attach a round pressure terminal to
the end of each wire of the power
cable, communication cable and
power cable for central controller.
Round pressure
terminal
REQUIREMENT
• Disconnect the appliance from the main power supply.
This appliance must be connected to the main power supply by a circuit breaker or switch with a contact
separation of at least 3 mm.
• Fasten the screws to the terminal with torque of 0.5 Nm.
 Connections to External Equipment
Example of connection to external equipment which is connected to digital input / output connector.
Input /
Designation Output
item
DO1
(Alarm output)
DO2
Status
(Run output)
output
DO-COM
(Output
common)
DI1
(All stop input 1)
DI2
(All start input)
Control
input
DI3
(All stop input 2)
DI-COM
(Input common)
Length of stripped TCC-LINK
communication cable
1.38" (35)
L
N
Attach the supplied clamp filter to the LAN cable.
* Wind the LAN cable around the clamp filter as shown
below when attaching the filter to the cable. After
attaching the filter, fix it to the LAN cable using a
supplied tie-wrap.
* Attach the clamp filter as near the main unit as possible.
LAN cable
Central Controller side
Input / output
conditions
Allowable
terminal voltage
/ current
DC24 V / 35 mA
5 V
Non-voltage A
contacts
5 V
Pulse or static
* Non voltage
5 V
contacts must
be compatible
with minimal
current.
DC5 V / 3 mA
Length of stripped RS-485
communication cable
1.38" (35)
2.16" (55)
Smart Manager only
Terminal name
DO1
DO2
DO-COM
DI1
DI2
DI3
DI-COM
16
Length of stripped digital Input /
Output communication wire
1.38" (35)
Loosen the screw with the screw
driver, insert the digital input / output
communication wire, then tighten
the screw again to fix the wire firmly.
External equipment side
Example of circuit
Digital
output
Pulse or static
Pulse or static
Static
0.24"
(6)
Input / output
conditions
Wiring length:
320 ft (100 m) or
less
Pulse width:
300 ms or more
Wiring length:
320 ft (100 m) or
less