Specifications Of Digital Output Circuits - FATEK FBS Series Manual

Chapter 7
The digital outputs of FB
differential output (i.e., one output occupying two terminals), and the single-end output circuit for saving terminals.
There are three kinds of output device for the single-end output, which are relays, TRIAC and transistors. Since the
relay and TRIAC are bilateral, even when used in single-end output, they can serve as SINK or SRCE output. The
transistor, however, because of its polarities, after being used as single-end common output, its SINK and SRCE
polarities are exactly the opposite (common point Cn of SINK output must connect to negative end of DC power).
Therefore, the product model of transistor output of FB
terminal block of FB -PLC, there is a place for making SINK or SRCE label. The following are labeling examples of:
S
○
1 SINK output models in FB
/SRCES polarity：
AC100~240V
IN
1
C0
AC100~240V
IN
2
C0
AC100~240V
IN
3
C0
7.1 Specifications of Digital Output Circuit
No over current protection is available in the FB
other output circuits have to be added with over current or short circuit protections externally, such as fuses,
in applications with safety concern.
Terminals labeled by 〝●〞 on the terminal block are empty contacts, which cannot be connected with any wire
to maintain the required safety clearance and to avoid damage to the unit.
In situations where simultaneous operations of outputs(such as reverse/forward action of motor) pose safety
concerns, besides the interlock in PLC programs, additional interlock circuits are needed outside PLC, as
shown below：
Digital Output (DO) Circuit
-PLC are available in the following two structures: the 5VDC ultra high speed Line-driver type
S
○
2 Transistor SRCE output model
-PLC
S
Y1 Y2 Y4
Y0 C2 Y3 C4
Y1 Y2 Y4
Y0 C2 Y3 C4
Y1 Y2 Y4
Y0 C2 Y3 C4
PLC
PLC
Forward
正轉輸出
output
輸出
Output
輸出
Output
PLC
PLC
Reverse
反轉輸出
output
-PLC for SINK and SRCE is distinct. At the right side of
S
Y5 Y6 Y8 SINK
SRCE
C6 Y7 Y9
Y5 Y6 Y8
SINK
SRCE
C6 Y7 Y9
Y5 Y6 Y8 SINK
SRCE
C6 Y7 Y9

Warning
series PLC. Except for the 5V differential output circuit, all
S
Interlock
Forward
正轉極 電磁開關或
互鎖接點
contact
limit switch
限開關
(NC) 繼電器A
(NC)
電磁開關或
Reverse Interlock
反轉極 互鎖接點
Limit contact
繼電器B
(NC)
限開關
switch (NC)
H 7 - 1
○
3 Relay of TRIAC models with no SINK
Transistor SINK output indicator
電晶體SINK輸出之標示
Transistor SRCE output indicator
電晶體SRCE輸出之標示
繼電器或閘流體之標示
Indicator of Relay or TRIAC (blank
(空白無任何標示)
and unmarked)
Magnetic
switch or
Relay A
Magnetic
switch or
Relay B