![FE FRENIC-Mini Скачать руководство пользователя страница 37](http://html.mh-extra.com/html/fe/frenic-mini/frenic-mini_instruction-manual_547580037.webp)
2-17
Table 2.8 Symbols, Names and Functions of the Control Circuit Terminals (Continued)
Classifi-
cation
Symbol Name
Functions
Connecting programmable controller (PLC) to terminal [Y1]
Figure 2.9 shows two examples of circuit connection between the transistor output of the
inverter’s control circuit and a PLC. In example (a), the input circuit of the PLC serves as
a sink for the control circuit, whereas in example (b), it serves as a source for the control
circuit.
(a) PLC serving as sink
(b) PLC serving as source
T
ransistor
outp
ut
Figure 2.9 Connecting PLC to Control Circuit
Relay co
nt
a
ct out
put
[30A],
[30B],
[30C]
Alarm
relay
output
(for any
fault)
(1) Outputs a contact signal (SPDT) when a protective function has been
activated to stop the motor.
Contact rating: 250 VAC 0.3A cos
φ
= 0.3
+48
VDC,
0.5A
(2) A command similar to terminal [Y1] can be selected for the transistor
output signal and use it for signal output.
(3) Switching of the normal/negative logic output is applicable to the fol-
lowing two contact outputs: "Terminals [30A] and [30C] are
short-circuited for ON signal output" or "Terminals [30B] and [30C] are
short-circuited (non-excite) for ON signal output."
Communi
cation
RJ-45 connector
(RS-485)
(1) Used to connect an optional keypad to the inverter.
(2) Used to connect the inverter to a computer running FRENIC Loader via
the RS-485 communications link. (For the terminating resistor, refer to
Section 2.3.7.)
Figure 2.10 RJ-45 Connector and its Pin Assignment
* Pins 1, 2, 7 and 8 are exclusively assigned to power lines for an optional
keypad. When connecting any other device to the RJ-45 connector, do not
use those pins.
For the location of the RJ-45 connector, refer to Figure 2.11 "Locations
of Jumper Switches and RJ-45 Connector."