GK600E User Manual
Chapter 3 Installation and Wiring
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Category
Terminal
Terminal
designation
Specification
Relay
output
RA/RB/RC
Control board
relay output
RA-RB: NC; RA-RC: NO
Contact capacity: 250VAC/3A, 30VDC/3A
RA/RB/RC
Option board relay
output
Same as control board relay output
Terminal
485
Interface
485+
485 differential
Rate:
4800/9600/19200/38400/57600/115200bps
485−
485 differential
signal -
Maximum distance - 500m (standard netw ork
cable used)
GND
485
communication
shield grounding
Isolated from COM interiorly
Control
panel
485
interface
CN4
Control panel
485 interface
Maximum communication distance is 15m
w hen connected to Control panel
Use standard netw ork cable
3.9 Control Terminal Usage
3.9.1 Lay-out of Control Terminals
Fig. 3-13 Lay-out of control terminals
3.9.2 Control Terminal Screw and W iring Requirement
Table 3-6 Terminal screw and wiring specification
Cable type
Cable requirement (mm
2
)
Screw
Torque (kgf.cm)
Shielded cable
1.0
M3
5±0.5
3.9.3 Instructions of Analog Input/Output Terminals
Being particularly vulnerable to noise, analog input & output signal cables should be as short as
possible, shielded, and their shielded layers should be properly grounded close to the side of
drive. The cables should not exceed 20m.