NE200&300 Quick Start Guide
20
Type
Termina
Terminal function
Technical specification
GND
Analog grounding
Internal isolated with COM
Analog
output
AO1
Analog output 1
0
~
20mA: Allow output
impedance 200~500Ω
0
~
10V: Allowed output
impedance ≥10kΩ.
With SC protection; 0~20mA or
0~10V analog output can be
selected through DIP switch SW2
GND
Analog grounding
Internal isolated with COM
Relay
output
TA/TB/
TC
Relay output 1
TA
-
TB
:
NC; TA
-
TC
:
NO
Contact capacity
:
250VAC/1A
,
30VDC/1A
RS485
485+
485 differential positive Rate:
1200/2400/4800/9600/19200/384
00bps;
Max. parallel 127 No.s; SW3
select adapted resistor; Max.
Length 500m. (twisted shielding
cable)
485-
485 differential negative
GND
485 shielding grounding Internal isolated with COM
Fig.4-4 Arrangement of Control Circuit Terminals