Specifications
Table 2-1.
Specifications of RS232 to RS485 Isolated Universal Controller
POWER SUPPLY Input Voltage 24 VDC
Permissible Range 20.4 to 28.8 VDC
Maximum Input Current 35 mA @ 24 VDC
RS232 Input voltage ±20 VDC maximum
Cable Length 15 m maximum (50 feet)
Interface Connectors RJ11 or screw-type, 2.5 mm, 2 terminal
RS422/RS485 Input Voltage -7 to +12V differential maximum
Cable Type Shielded twisted pair,
in compliance with EIA RS485
Cable Length 1200m maximum (4000 feet)
Interface Connector Screw-type, 2.5 mm, 2 terminal
GENERAL Isolation yes
Size 110.8 (L) x 22.5 (W) x 75 (H) mm
[4.38 (L) x 0.89 (W) x 2.96 (H)"]
Dip Switch Setting
S1 S2
12 3 4 1 2 34
OFF OFF OFF OFF OFF ON OFF ON
Figure 2-10. Dip Switch Settings
2-10
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