Toshiba LC531 Series Instruction Manual page 43

■ TB1 terminal block (Right side)
This is the terminal block to connect power supply and process I/O signals of
the LC53*.
Table 1-5 External connections of the TB1 terminal block (right)
Terminal
External connection
No.
1 Ground
2 +24VDC power supply
3 Power supply common (0V)
4 DC power supply for DIO (+)
5 Power supply common for
DIO
6 Signal common (SC)
7 to 12 Analog input
1 to 6 (+)
13 to 14 Analog output
1 to 2 (+)
15 to 16 MV current output
1 to 2 (+)
17 to 19 Contact input 1 to 3
20 to 24 Digital output 1 to 5
■ TB1 terminal block (Left side)
This is the terminal block to connect WDT output signals and RS485
communication port signal terminal.
Table 1-6 External connections of the TB1 terminal block (left)
Terminal
External connection
No.
25 WDT output (+)
26 Power supply common (0V)
27 Open PO
28 Close PO
29 R.M
30 Power supply common for
DIO
31 RS485(+)
32 RS485(  )
33 RS485(FG)
1.2 Names and Functions of the LC531/LC532
Remark
Case ground
Equipment power input 24VDC
Power supply input 24VDC for
DIO
Analog signal common
1  5V input (referenced to
signal common)
1  5V output (referenced to
signal common)
4  20mA output (referenced to
0V) (LC531 only)
One side of the contact is
connected to power supply
common for DIO (-), 24V-5mA
input
One side of load is connected
to DC power supply (+) for
DIO, open collector 0.1A output
Remark
WDT output signal (to 0V)
Connected to Terminal 3
Pulse output and Remote
manual (LC532 only)
Connected to Terminal 5
Terminal for RS485
communication port signal
Unified Controller nv Series Single-Loop Controller LC531/LC532 Instruction Manual
Right side
1
13
12
24
Left side
25
33
23