Toshiba V Series User Manual page 27

Terminal Block and Pin Assignments
The main unit and terminal block are connected with a connector. External wires are
connected using M3 screws.
The 24V power to other unit is supplied via the through connector.
Terminal No.
1
2
3
4
5
6
7
8
WDTOUT is ON output when operation is normal, and OFF output when an error occurs
or when power is off.
Note 1: Do not wire to pin 7.
Note 2: Connect the pin 8 common to pin 3.
Note 3: Pins 5 and 6 should be connected to either LD512H or the graphic panel.
Note 4: Negative signals of pins 4 and 8 should be connected to pin 3.
6F8C1005
Table 1-9 TB1 (Terminal block: TB521)
Signal
FG Frame grounding
+24V External power supply + 24 V
0V External power supply 0 V
WDTOUT Watchdog timer output
MON485(-) LD512H/Graphic panel connection(-)
MON485(+) LD512H/Graphic panel connection(+)
- Not used
TIMER Power-failure timer input
1.6 Names and Roles of Products
Function TB1: Pin assignments
2 4 6 8
1 3 5
7
11
1