Prolon VC2000 Series - Typical Prolon Wiring Schematics

Typical Prolon Wiring Schematics
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COMMUNICATION
BUS TO ZONES
PL-M2000-RTU or PL-M2000-HP
UNIT CONTROLLER
PL-NC2000
NETWORK CONTROLLER
(optional)
BIAS ON
TERM ON
BIAS ON
BIAS OFF
TERM OFF
BIAS OFF
R *
C *
COMMUNICATION
BUS TO ZONES
PL-M2000-RTU or PL-M2000-HP
UNIT CONTROLLER
BIAS OFF
TERM OFF
BIAS OFF
R *
C *
COMMUNICATION
BUS TO ZONES
PL-M2000-RTU or PL-M2000-HP
UNIT CONTROLLER
BIAS OFF
TERM ON
BIAS OFF
R *
C *
C
24Vac
PL-NC2000 Network Controller + PL-M2000 Unit Controller(s)
(INT Comm Bus)
Note for both diagram
1. Recommended wiring for communication: #22/2, stranded, twisted and shielded, low-capacitance.
2. Recommended wiring for 24vac supply: #18/2, stranded.
*Connect “24VAC“ and “C” terminals to “R” and “C” terminals respectively on A/C control board.
RS485
NET
RS485
INT
RS485
NET
RS485
INT
RS485
NET
RS485
INT
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BIAS ON
TERM ON
BIAS ON
TERM OFF TERM OFF TERM ON
24VAC TRANSFORMER
PL-M2000
UNIT CONTROLLER
PL-VC2000
ZONE CONTROLLER
PL-VC2000
ZONE CONTROLLER
PL-VC2000
ZONE CONTROLLER
R *
C *
PL-M2000 Unit Controller + PL-VC2000 Zone Controller(s)
(NET Comm Bus)
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