K&R ACD320 Series - Page 31

ACD320user manual Installation and wiring
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An a log va l ue ou tput
AO1-GND
Analog value
output 1
Provide analog voltage/current
output, for detailed see F2.22
parameter description, output
voltage/current optioned by J3,
factory default output voltage.
(reference ground: GND)
Voltage output range:
0~10V
Current output range:
0~20mA
AO2-GND
Analog value
output 2
Provide analog voltage/current
output, for detailed see F9.09
parameter description, output
voltage/current optioned by J5,
factory default output voltage.
Voltage output range:
0~10V
Current output range:
0~20mA
Mu l ti-f u ncti o n ou t p u t
te r mina l
DO-COM
Open circuit
collector output
terminal
Used for multi-function switch
output terminal, for detailed see
Chapter 6 terminal function
parameter(F2 group) output end
function description.(common
end: COM)
Optocoupler isolation
output
Work voltage range:
15~30V
Max. output current:
50mA
Use method see
description of parameter
F2.20
Serial port
communica
tion
SG+
RS485 serial port
communication
485 difference signal positive
end
For standard RS-485
communication interface，
please use twisted-pair or
shielded wire.
SG-
485 difference signal negative
end
Re l ay ou tput
te r minal
R/A-R/B
Relay output 1
Always-closed terminal
Contact capacity：
AC250V，3A，
COSΦ=0.4。
DC 30V，1A
R/A-R/C Always-open terminal
T/A-T/B
Relay output 2
Always-closed terminal
Contact capacity：
AC250V，3A，
COSΦ=0.4。
DC 30V，1A
T/A-T/C
Always-open terminal
As s ista n t
in t erf a c e
CN1
Expansion card
interface
28PIN interface，connected to
selectable card
-
J1
Native keypad
interface
Connecting to native keypad or
wire of pull-out keypad
-
di a l
sw i tch
S1 NPN/PNP
Multi-function input NPN, PNP
input choice
Please refer to
“Description of control
terminal wiring” for
detail
3）Notes on Control Terminals:
A) Analog input terminal:
Since the weak analog voltage signal is easily disturbed by external disturbance source, shielded