YOKOGAWA UM330, User Manual, Page: 18 / 50

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<1. Installation>
IM 05F01D02-41E
1st Edition : May 31,2000-00
■
UM350 Standard Type (Model UM350-0
䊐
)
Power supply
Relay contact output
Contact rating: 250 V AC, 3 A
30 V DC, 3 A (resistance load)
* Wiring can only be carried out
for indicators with communication
functions.
Maximum baud rate: 9600 bps
Allowable range: 100 to 240 V AC ( 10%)
(free voltage)
50/60 Hz shared
Installation category (overvoltage category): II (IEC1010-1)
NOTE
PV input
* Not configured at factory before shipment
See “2. Initial Settings,” for more
information.
* Wiring can only be carried out
for indicators with 24 V DC
loop power supply.
14
15
Retransmission output
4-20 mA DC
14
15
15 V DC loop power supply
14.5-18.0 V DC
(21 mA DC max.)
* PV retransmission is configured at factory
before shipment.
Load resistance: 600
Ω
or less
* If 15 V DC loop power supply is used,
retransmission output cannot be used.
-
+
-
+
1
2
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
11
12
13
14
15
16
17
18
19
20
8
9
10
L
N
12
13
11
12
13
12
13
21
22
21.6-28.0 V DC
(30 mA DC max.)
23
24
25
26
27
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
6
5
4
7
AL1
AL2
AL3
COM
Relay contact rating: 240 V AC, 1 A
30 V DC, 1 A (resistance load)
1
2
3
Alarm 4 output
NC
NO
COM
A
b
B
UM
+
-
* Wiring can only be carried out for
UM350-01 or UM350-02.
-
+
-
+
TC input RTD input
mV/V input
12
13
+
-
Note: Connecting a 250
Ω
resistor to the terminals is
optional.
Model: X010-250-2 (resistor with M3.5 crimp-on
terminal lugs)
* When receiving 4-20 mA DC current signals,
set the PV input type to 1-5 V DC (setpoint “41”).
䊏
Receiving 4-20 mA DC Current
Signals with the Indicator
250
Ω
19
20
DI1
COM
Resets the PV
peak and bottom values
when DI1 is changed
from OFF to ON.
Common
UM
Contact input
Contact
Contact rating: 12 V DC, 10 mA or more
DI1
COM
+5V
Transistor contact
19
20
RS-485 communication
Alarm output
Relay
Alarm 1 output
Alarm 2 output
Alarm 3 output
Common
Power supply
24 V DC loop
power supply
4-20mA
CAUTION
Before carrying out wiring, turn off the power
to the indicator and check that cables to be
connected are not alive with a tester or the like
because there is a possibility of electric shock.