Chapter 3 - Installation
3-18
Method 3: External 24V – Mx
PNP mode (External P/S used): when J1 switch is set to PNP mode (upward), use an external 24V to Mx
for connection of a contact (switch, relay or transistor). With contact closed, the control board input
terminal is activated (turned ON). Make an additional connection between the negative of the external
power supply and the CM terminal.
3.2.7
RS
‐
485/Modbus
‐
RTU
Circuit
Wiring
C+ CM C- M6 24 M7 M8
M1 CM M2 M3 24 M4 M5
Use C+ (Modbus signal High) and C- (Modbus signal LOW) in TER 2. Turn the switch J3 ON (Upward) to connect
the termination resistor (120 ohm) if required. J3 switch is on the left side of the TER2.
Item
Specification
Transmission type
Bus method, Multi drop Link System
Applicable drive
RSi-SG series
Number of drives
Max.31
Transmission distance
Within 1200 m (3937ft) Max. 700 m (2290ft) recommended
Recommendable cable
0.75mm
2
(18AWG), Shield Type Twisted-pair Wire
Installation
C+, C-, CM terminals on the control terminal block
Isolation
RS-485 port isolated from the drive power supply.
J1 PNP
NPN
M7(FX)
M8(RX)
(When PNP TR is connected)
(When RELAY is connected)
External P/S Used
(DC 24V)
CM
J3
ON
OFF
Содержание RSi SG Series
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