Alpha 6000 - Page 23

Chapter 2 Installation and Wiring
22
Category Terminal Name Functions Specification
Power supply
PLC
Common
terminal of
multi-
function input
terminal
Common terminal of
multi-function input
Be shorted to 24V
before delivery
PLC is internal
isolated with 24V.
Notes:
S2R4GB, S2R75GB
model don’t have this
function
To use PLC for
following models, JP1
jumpers on the left of
control terminals must
be cut off.
S21R5GB
S22R2GB
3R75GB/31R5PB
31R5GB/32R2PB
32R2GB/3004PB
3004GB/35R5PB
GND
Reference
ground of
+10V power
supply
Reference ground of
analog signal and＋10V
power supply
Internal isolated with
COM,
Common terminal of
+10V,AI1,AI2,AO1(o
r AO1,AO2)
COM
Common
terminal of
+24V power
supply
Be used in conjunction
with other terminals.
COM is internal
isolated with GND.
CME
Common
terminal of
Y1, Y2(only
35R5GB/37R5
PB~3500G)
Common terminal of
multi-function Y1 and
Y2 output
(Be shorted to COM
before delivery)
Be shorted to COM
before delivery
CME is internal
isolated with COM,
GND
PE
Shielding
ground
It is used for grounding
of shielding layer. The
shielding layer of analog
signal lines,
communication line 485
and motor cable can be
connected to this port.
It is connected to the
terminal PE in main
circuit. (S2R4GB,
S2R75GB model
without the function)