Manual 37139C
UMT 1 - Measuring Transducer
Page 14/62
© Woodward
Interface (
Options SU
)
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
A
C
A B
D E
B
D
C
E
A B C D E
C
E
A B C D
A B
D E
G
ND
In
ter
fac
e
RS
42
2
int
er
fac
e
In
ter
fac
e
RS
23
2
int
er
fac
e
A (
non-
inv
er
ted)
B
(inv
er
ted)
G
ND
RT
S
Rx
D
CT
S
Tx
D
In
ter
fac
e
RS
48
5
int
er
fac
e
M
O
D
bus
R
TU
s
la
ve
Z
(inv
er
ted)
Y (
non-
inv
er
ted)
B
(inv
er
ted)
A (
non-
inv
er
ted)
G
ND
In
ter
fac
e
CA
N
bu
s
In
ter
fac
e
TTY
int
er
fac
e
Th
e t
ra
ns
m
itt
er
d
riv
es
th
e c
ur
re
nt
.
Rx
D +
Rx
D
-
Tx
D +
Tx
D
-
Te
rm
inat
ion
NC
G
ND
CA
N-
H
CA
N-
L
D
A B C
In
ter
fac
e
Pr
of
i bu
s D
P
Sc
reen
A-
Li
ne
G
ND
+5
V
E F
B-
Li
ne
RT
S
Figure 3-10: Interfaces
Terminal
Description
A
(X1)
B
(X2)
C
(X3)
D
(X4)
E
(X5)
RxD
RTS
GND
CTS
TxD
RS-232
A
B
GND
Z
RS-422
B
A
GND
B
A
RS-485, Modbus RTU Slave
RxD-
RxD+
NC
TxD-
TxD+
TTY (transmitter drives current)
GND
CAN-H
CAN-L CAN bus
A
(X1)
B
(X2)
C
(X3)
D
(X4)
E
(X5)
F
(X6)
Screen
+5 V
GND A-Line B-Line
RTS Profibus DP (the file
LEON00D9.GSD has to be used)
NOTE
Please note that the CAN bus must be terminated with an impedance which corresponds to the wave
impedance of the cable (i.e. 120 Ohm resistor).
Shielded Wiring
Interface
CAN bus
CAN-H
CAN-L
GND
Shield
1 MOhm
0.01 uF
400 Vac
Figure 3-11: Shielded wiring