YOKOGAWA UT350-01 User Manual

<Toc> <1. Installation>
1-11
IM 05D01D02-41E 4th Edition: May 31, 2006-00
• Panel cutout dimensions:
UT350  92
0
+0.8
(W)  92
0
+0.8
(H) mm
UT320  45
0
+0.6
(W)  92
0
+0.8
(H) mm
• Installation position: Up to 30 upward facing (not designed for facing downward)
• Wiring: M3.5 screw terminals (for signal wiring and power/ground wiring as well)
Power Supply Specifications
• Power supply: Rated voltage of 100 to 240 V AC (10%), 50/60 Hz
• Power consumption: Max. 20 VA (8.0 W max.)
• Internal fuse rating: 250 V AC, 1.6A time-lug fuse
• Data backup: Non-volatile memory (can be written to up to 100,000 times)
• Withstanding voltage
- Between primary terminals* and secondary terminals**:
At least 1500 V AC for 1 minute
- Between primary terminals* and grounding terminal:
At least 1500 V AC for 1 minute
- Between grounding terminal and secondary terminals**:
At least 1500 V AC for 1 minute
- Between secondary terminals**:
At least 500 V AC for 1 minute
* Primary terminals indicate power terminals and relay output terminals
** Secondary terminals indicate analog I/O signal, voltage pulse output, and contact
input terminals
• Insulation resistance: 20 M or more at 500 V DC between power terminals and
grounding terminal
• Grounding: Class D grounding (grounding resistance of 100  or less)
Signal Isolations
• PV input terminals: Isolated from other input/output terminals. Not isolated from the
internal circuit.
• 15 V DC loop power supply terminals: Not isolated from 4-20 mA analog output and
voltage pulse control output. Isolated from other input/output terminals and internal
circuit.
• 24 V DC loop power supply terminals: Isolated from the 15 V DC loop power supply
terminals, 4-20 mA analog output terminals and voltage pulse control output terminals,
other I/O terminals and the internal circuitry.
• 4-20 mA analog output terminals (for control output and retransmission): Not isolated
between 4-20 mA outputs and from 15 V DC loop power supply and voltage pulse
control output. Isolated from other input/output terminals and internal circuit.
• Voltage pulse control output terminals: Not isolated from 4-20 mA outputs and 15 V
DC loop power supply. Isolated from other input/output terminals and internal circuit.
• Relay contact control output terminals: Isolated between contact output terminals and
from other input/output terminals and internal circuit.
• Contact input terminals: Not isolated between contact input terminals and from com-
munication terminals. Isolated from other input/output terminals and internal circuit.
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YOKOGAWA UT350-01 Specifications

General

Brand	YOKOGAWA
Model	UT350-01
Category	Controller
Language	English