<Toc> <1. Installation>
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IM 05F01D02-41E 1st Edition : May 31,2000-00
Construction, Installation, and Wiring
• Construction: Only the front panel is dust-proof and drip-proof (protection class IP55)
For side-by-side close installation the controller loses its dust-proof and drip-proof
protection.
• Material: ABS resin and polycarbonate
• Case color: Black
• Weight: About 1 kg or less
• Dimensions:
UM350 96 (W) 96 (H) 100 (depth from panel face) mm
UM330 96 (W) 48 (H) 100 (depth from panel face) mm
• Installation: Panel-mounting type. With top and bottom (or right and left) mounting
hardware (1 each)
• Panel cutout dimensions:
UM350 92
0
+0.8
(W) 92
0
+0.8
(H) mm
UM330 92
0
+0.8
(W) 45
0
+0.6
(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.)
• 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 (Note)
- Between primary terminals* and grounding terminal:
At least 1500 V AC for 1 minute (Note)
- 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
Note: The withstanding voltage is specified as 2300 V AC per minute to provide a margin of safety.
* Primary terminals indicate power terminals and relay output terminals
** Secondary terminals indicate analog I/O signal, and contact input terminals
• Insulation resistance: 20 M or more at 500 V DC between power terminals and
grounding terminal
• Grounding: Class 3 grounding (grounding resistance of 100 or less)
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