Installation
5/00
UDC3300 Basic Model: DC330B User Manual
15
Communications Option
The Communications option is available for RS422/485/ASCII or Modbus (Model
DC330X-XX-1XX or DC330X-XX-5XX)—refer to Figure 2-15. Also refer to:
•
Document #51-51-25-35 (RS422/485 ASCII) or
•
Documents #51-52-25-66 and #51-52-25-70 (Modbus)
Figure 2-15 RS422/485/ASCII or Modbus Communications Option Connections
13
14
15
16
17
Master
TX+
SHD
TX–
RX+
RX–
Do not mix half and
full duplex wiring.
Do not run these lines in
the same conduit as AC
power
CAUTION
13
14
15
Master
TX–/RX–
SHD
TX+/RX+
ASCII or MODBUS
RS422/485
HALF DUPLEX
To Other
Communication
Instruments
(maximum 31)
SHD
TX+/RX+
TX–/RX–
ASCII
RS422/485
FULL DUPLEX
RX+
SHD
RX–
TX+
TX–
120 Ohm
Resistor
To Other
Communication
Instruments
(maximum 31)
120 Ohm Resistor
on Last Leg
120 Ohm
Resistor
120 Ohm
Resistor
120 Ohm Resistor
on Last Leg
1
1
1
Use shielded twisted pair
cables (Belden 9271
Twinax or equivalent)
Содержание DC3300
Страница 1: ...Sensing and Control UDC3300 Basic Model DC330B User Manual 51 52 25 78 5 00 ...
Страница 26: ...Installation 18 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 70: ...Setpoint Rate Ramp Soak Program Operation 62 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 72: ...Environmental and Operating Conditions 64 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 74: ...Model Selection Guide 66 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 80: ...Position Proportional Calibration 72 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 82: ...Input Ranges 74 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 83: ......