IM 05P01D31-11EN page 4/12
24 V DC loop power supply
21.6-28.0 V DC
(Max. 30 mA DC)
24 V DC loop power supply
(Suffix code: Type 2=0 and
optional suffix code /LP)
305
306
LPS24
(Suffix code: Type 2=2)
External contact output
Transistor contact rating: 24 V DC, 50 mA
DO12
DO11
COM
Common
UT
Contact input / Contact output
External contact input
DI11
DI12
COM
Common
DI11
DI12
COM
+5V
+5V
No-voltage
contact
Transistor
contact
Contact rating: 12 V DC, 10 mA or more
Factory default: No function
Factory default: No function
Factory default: No function
Factory default: No function
UT
UT
301
302
303
301
302
303
304
305
306
DI/DO
Function can be
assigned to the
terminals with no
function.
E1-Terminal Area
301-306
RS-485
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
RS-485 communication
(Suffix code:
Type 2=1)
301
302
303
304
305
RS485
RS-485
RSB(+)
RSA(-)
SG
RS-485 communication/24 V DC loop power supply
24 V DC loop power supply
21.6-28.0 V DC
(Max. 30 mA DC)
301
302
303
305
306
RS485/LPS24
(Suffix code: Type 2=1 and
optional suffix code /LP)
(Suffix code: Type 2=2)
Contact input
External contact input
DI11
DI12
DI13
DI14
DI15
COM
Common
DI11
DI12
COM
+5V
+5V
No-voltage
contact
Transistor contact
Contact rating: 12 V DC, 10 mA or more
DI13
+5V
DI14
+5V
DI15
+5V
Factory default: No function
Factory default: No function
Factory default: No function
Factory default: No function
Factory default: No function
UT
UT
301
302
303
304
305
306
301
302
303
304
305
306
Function can be assigned to the
terminals with no function.
DI
E1-Terminal Area
301-306
(Suffix code: Type 2=1)
External contact output
Transistor contact rating: 24 V DC, 50 mA
DO12
DO11
COM
Common
UT
Contact input / Contact output
External contact input
DI11
DI12
COM
Common
DI11
DI12
COM
+5V
+5V
No-voltage
contact
Transistor contact
Contact rating: 12 V DC, 10 mA or more
Factory default: No function
Factory default: No function
Factory default: No function
Factory default: No function
UT
UT
301
302
303
301
302
303
304
305
306
DI/DO
Function can be
assigned to the
terminals with no
function.
24 V DC loop power supply
21.6-28.0 V DC
(Max. 30 mA DC)
24 V DC loop power supply
505
506
LPS24
(Optional suffix code /LP)
(Suffix code: Type 2=2)
Contact output
External contact output
DO42
DO41
DO43
DO44
DO45
COM
Factory default: No function
Factory default: No function
Factory default: No function
Factory default: No function
Factory default: No function
Common
UT
501
502
503
504
505
506
DO
Transistor contact rating: 24 V DC, 50 mA
Function can be assigned
to the terminals with no
function.
E4-Terminal Area
501-506
(Suffix code: Type1=-1)
(Suffix code: Type 1=-2)
(Suffix code: Type1=-0)
Retransmission output
4-20 mA DC or
0-20 mA DC
15 V DC loop power supply
14.5-18.0 V DC
(Max. 21 mA DC)
Default: 4-20 mA DC
Default:
PV retransmission
Load resistance 600
Ω
or less
Retransmission output
(Equipped as standard)
PV input
TC input
RTD input
Voltage (mV, V) input
A
Current (mA) input
B
b
(Equipped
as standard)
Control output
Relay contact output
NC
NO
COM
Contact rating: 250 V AC, 3 A
30 V DC, 3 A (resistance load)
111
301
302
303
304
305
306
307
308
309
310
311
312
201
202
203
204
205
206
207
208
210
101
102
103
104
105
106
107
108
109
110
211
212
Current/voltage pulse output
0-20 mA DC,
4-20 mA DC,
Voltage pulse (12 V)
Heating/cooling control output
(Suffix code: Type 1=-2)
Cooling-side control output
Heating/cooling relay contact output
NO
Heating
-side
Cooling
-side
NO
COM
Contact rating: 240 V AC, 3 A
30 V DC, 3 A (resistance load)
Position proportional control output
Resistance: 100
Ω
to 2.5 k
Ω
Feedback input
100%
0%
Relay contact output
HIGH
(direct)
LOW
(reverse)
COM
Contact rating: 240 V AC, 3A
30 V DC, 3 A
(resistance load)
Feedback input
Current (mA)
input
When feedback input is current
E1-terminal area
101
-112
301
-312
201
-212
101
102
103
101
102
103
310
311
312
310
311
312
202
203
201
202
203
202
203
203
204
205
206
205
206
101
102
103
205
206
Terminal wiring differs in Heating/cooling
control and Position proportional control.
Refer to the terminals of Position
proportional control output and
Heating/cooling control output below.
Factory default: Control output is relay.
Can be used for 15 V DC loop
power supply when not used for
retransmission output.
PV
RET
(Equipped as standard)
Contact input
Contact rating: 12 V DC, 10 mA or more
External contact input
DI2
DI1
COM
AUTO when DI1=ON
MAN when DI1=OFF
STOP when DI2=ON
RUN when DI2=OFF
Common
DI2
DI1
COM
+5V
+5V
No-voltage
contact
Transistor
contact
UT
UT
210
211
212
210
211
212
Function can be assigned to the terminals with no function.
DI
VALV
(Equipped
as standard)
Contact output
External contact output (relay)
AL3
AL2
AL1
Relay contact rating: 240 V AC, 1 A
30 V DC, 1 A (resistance load)
Alarm-3 output
(PV high limit)
Alarm-2 output
(PV low limit)
Alarm-1 output
(PV high limit)
Common
Common
Common
UT
104
105
106
107
108
109
ALM
OUT
OUT
RET/OUT2
Factory default:
PV input type is
undefined.
(Optional suffix code /HA)
Heater break alarm
Heater current detection input
CT1
CT2
COM
310
311
312
HBA
External contact output (transistor)
Transistor contact rating: 24 V DC, 50 mA
Heater break alarm-1
output
Heater break alarm-2
output
Common
HAL1
HAL2
COM
UT
307
308
309
Current/voltage pulse output
0-20 mA DC,
4-20 mA DC,
Voltage pulse (12 V)
Retransmission output
Default: 4-20 mA DC
Default: Undefined
0-20 mA DC,
4-20 mA DC
Control output
(Suffix code: Type1=-0, -1 or -2)
15 V DC loop power supply
14.5-18.0 V DC
(Max. 21 mA DC)
207
208
207
208
207
208
Can be used for retransmission output or 15 V DC loop power suppy when
current/voltage pulse output is not used for control output.
Current output range can be changed.
In Position proportional type, can be used for retransmission output or 15 V DC
loop power supply.
OUT
OUT2
112
Power supply
24 V AC/DC power supply
100-240 V AC power supply
Allowable range:
100-240 V AC (±10%)
(free voltage)
50/60 Hz shared
N
L
(24 V AC/DC power supply:
Optional suffix code /DC)
110
111
110
111
112
112
N
L
Can not be used for retransmission output or 15 V
DC loop power suppy when current/voltage pulse
output is used for control output.
Can be used for retransmission output or 15 V DC
loop power suppy when control output is not used.
Current output range can be changed.
■ UT32A
(Suffix code: Type 3=2)
Ethernet communication (with gateway function)
10BASE-T/100BASE-TX
RJ45 connector
Color
Lit
Unlit
Amber
100M bps
10M bps
Green
Linked
Active
Link failure
Color
Lit
Blink
Unlit
Upper side LED (baud rate)
Lower side LED (link activity)
RS-485
RSB(+)
RSA(-)
SG
407
408
409
ETHR
RS-485
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
RS-485 communication
(Suffix code:
Type 3=1)
407
408
409
410
411
RS485
(Suffix code: Type 3=4)
PROFIBUS-DP communication (with Modbus master)
Pin
1
2
Signal name
Description
VP
RxD/TxD-P
3 RxD/TxD-N
4 DGND
5 SHIELD
+5V bus power
Data signal
(positive data receive/transmit)
Data signal
(negative data recive/transmit)
Signal ground
Shield ground
RS-485
RSB(+)
RSA(-)
SG
407
408
409
PROF
If the UT is located at the end
of a segment for the
PROFIBUS
communication wiring,
terminating resistors are
separately needed.
These are to be prepared by
users. (390 Ω: 2 pcs. 220 Ω:
1 pc., or an active
terminator.)
VP
RxD/TxD-P
Data
line
Data
line
390
Ω
220Ω
390
Ω
RxD/TxD-N
DGND
CHK
RDY
ERR
LED
CHK
(red)
RDY
(green)
Lit
Unlit
ERR
(red)
User profile error
Normal
Normal
Not connected, or
communication
failure (flashing)
Normal
Communicating
successfully
No power, or
Communication
failure
E3-Terminal Area
401-412
1
2
3
4
5
(Suffix code: Type 3=3)
CC-Link communication (with Modbus master)
RS-485
RSB(+)
RSA(-)
SG
407
408
409
CC-L
If the UT is located at
the end of a segment
for the CC-Link
communication wiring,
terminating resistors
are separately needed.
These are to be
prepared by users.
(110 Ω: 1 pc.)
DA
DB
110
Ω
LED
CHK
(red)
L ERR
(red)
L RUN
(green)
Lit
Unlit
CHK
L RUN
L ERR
User profile error/
Address error
Normal
Normal
Pin
1
2
Signal name
Description
DA
DB
3
DG
4
SLD
5
FG
RX/TX + signal
RX/TX - signal
Flame ground
RX/TX signal ground
Shield
Normal
Communicating successfully
Communication failure
(CRC error)
No carrier
detected/
Communication
timeout
1
2
3
4
5
E4-terminal area
E3-terminal area
E1-terminal area
101
102
103
104
105
106
107
108
109
110
111
501
502
503
504
505
506
507
508
509
510
511
512
407
401
408
409
410
411
412
301
302
303
304
305
306
201
202
203
204
205
206
207
208
210
211
212
101
-112
501
-512
401
-412
301
-306
201
-212
112
■ UT35A (Continued from page 3)