Technical Instructions RWD62U Universal Controller
Document Number 155-737
January 14, 2005
Wiring Diagrams
G0
Y2
D1 M X1 M X2
M
G
M
Y1 M
Tool
TH0800R1
D1 Digital input
G, G0 24 Vac supply
M Ground (G0) for signal inputs
and universal inputs and analog
outputs
X1 Signal input (main input:
Siemens Ni 1000, Pt 1000 and 0
to10 Vdc)
X2 Signal input (aux. Input:
Siemens Ni1000, Pt 1000, 0
to10 Vdc and 0 to 1000 Ω or
0 to 10 Vdc remote setpoint)
Y1, Y2 Analog outputs
Tool Communication port for PC
(9-pin plug)
Figure 18. RWD62U Wiring Diagram.
TH0801R1
Y1
G
Y1
S1
D1
GO
Y..
BM BM
X1 X2MM
Y2
Y2
GO
G
Y..
X2X1
M
MM
GO
G
24 V SN
24 V SP
N1
TOOL
PC
G
G
N1 RWD62U controller
PC Personal computer
S1 Time clock or switch
SN System neutral
SP System potential
X1 Main input (Termination G appears when X1 is an active sensor)
X2 Auxiliary input or remote setpoint (Termination G appears when X2 is an
active sensor)
Y1, Y2 Valve actuator 1 and 2/Damper actuator 1 and 2
Figure 19. Connection Diagram.
CAUTION:
if you use a DESKTOP computer, the TOOL signal ground is
galvanically connected to G0 inside the controller. If the signal line of
the computer is grounded to Earth, the G0 line after TOOL connection
will be grounded as well.
Page 10 Siemens Building Technologies, Inc.
To Next Page
Loading...
