5
©
Dinel, s.r.o. PDU–4xx–W
The unit is designed to be coupled with the level meter, which is connected via current or voltage
output. The unit continually displays level in any physically units, according to selected limits, it can
control switching of connected equipment (pumps, valves etc.) and it can be used as power supply
for level meters too.
2 . Range of application
3. Variants of units
4. Dimensional drawings
• PDU–420–W-24V 2 independent relay outputs (2 limits),
wall-mounted unit. Power sup-
ply 24 V, interface RS–485 / Modbus RTU. Optional accessories – infra-
red remote controller RCW–1.
• PDU–420–W-230V 2 independent relay outputs (2 limits),
wall-mounted unit. Power sup-
ply 230 V, interface RS–485 / Modbus RTU. Optional accessories – infra-
red remote controller RCW–1.
5 . Installation and putting into operation
Please follow next 3 steps:
• Mechanical mounting
- see chapter 6
• Electrical connection
- see chapter 7
• Settings
- see chapter 8
PDU-4x0-W can be used for controlling and regulation of processes need proportional and
threshold control like: temperature processes (heating or cooling), valves controlling or other.
