Güde 8221, 8226 Service Manual
Expert Power Control 8221-1 and Expert Power Control 8226-1
12-fold switched PDU with integrated current metering and monitoring
Front panel of Expert Power Control 8221-1
and Expert Power Control 8226-1
Switched Power Distribution Units
The completely refined PDUs are perfectly suitable for optimizing professional ICT environments. Both 19 inch appliances
Highlights at a glance
2 independent banks of 6 load outlets
Energy metering per bank (8221-1)
Energy metering per bank and per load
outlet (8226-1)
Event-based switching
Total switching power: 7500 W
IPv6, SSL and SNMPv3
Telnet, Radius and Modbus TCP supported
Integrated overvoltage protection
Dual-Circuit
Unit-metered
Outlet-metered (8226)
occupy one rack unit in the switching cabinet and contribute to enhanced energy
eciency and failure safety of existing network components. Besides
energy distribution and metering, Expert Power Control 8221-1 and
8226-1 dispose of appropriate features for monitoring and switching of up
to twelve connected loads. Furthermore the dual-circuit PDUs allow event-
based switching due to configured thresholds for energy and sensor values.
The devices support current security standards such as IPv6 addresses, SSL
encryption, SNMPv3 as well as Telnet, Radius and Modbus TCP. Both inte-
grated sensor ports enable real-time monitoring of temperature, humidity
and air pressure in the rack. Thanks to webinterface, app and compatible
network monitoring software (e.g. PRTG, Nagios or PowerIQ), both local
and remote accesses can easily be realized.
03/2017
1. Switched
Both PDUs are fed by two seperate
power supplies (IEC C20) and
dispose of twelve load outlets
on the rear panel (IEC C13). These
power ports can be switched
individually by webinterface, app,
SNMP, serial interface or button
on the device. To meet increasing
power density in modern ICT
infrastructures, a total switching
power of 7500 W respectively 32
A can be realized through two
seperate power supplies.
Gude Analog- und Digitalsysteme GmbH
Eintrachtstr. 113
50668 Koeln, Germany
2. Metered
Power ports are arranged in two
seperate groups at six power ports
each. Integrated energy meters
allow unit metering per group
(8221-1 and 8226-1) as well as
outlet metering per port (8226-
1). Because of accurate metering
electronic, a reliable consumption
measurement and load estima-
tion is possible by parameters such
as current, voltage, phase angle,
power factor and frequency.
T +49.221.912 90 97
F +49.221.912 90 98
3. Monitored
Two integrated sensor interfaces
for optional available sensors
enable customers to comfortably
monitor environment tempera-
ture, humidity and air pressure.
Due to real-time surveillance and
early overload and threshold
alarms, critical system conditions
and down-times can be avoided.
Thanks to plug-and-play sensors,
startup operation is quickly done.
mail@gude.info
www.gude.info
12
2
Features
• 12 Power Ports individually switchable directly on the device,
via HTTPS, SNMP, command line tool and RS232 serial interface
• Status and Power-up delay (0...9999 seconds) adjustable
individually for each Power Port after power blackout
• Latency time of 1 second prevents simultaneous power-up of
multiple Power Ports
• Paired switching of outlets possible, e.g. output 1 of bank 1
simultaneously with output 1 of bank 2
• Programmable turn-on/turn-o sequence
• 2 energy meters per bank and for 8226-1 also per load outlet;
one meter continuously, the other resettable
• Metering of energy, current, power factor, phase angle,
frequency, voltage and active / apparent / reactive power
• A clearly visible LED display per bank for total current,
Switched Power Distribution Units
IP address, sensor data and error reports
• 12-channel watchdog, an individual watchdog (ICMP/TCP)
can be assigned for each Power Port
• 2 independent power inputs of 230 V for the same or
dierent phases
• Integrated overvoltage protection prevents damage of device
and of connected consumers (L-N 10 kA), status retrievable
over network
• 2 interfaces for optional sensors for environmental monitoring
(temperature, humidity and air pressure)
• Event-based port switching possible by set sensor thresholds
• Internal beeper for acoustic alarm for set sensor thresholds
• Comfortable configuration by web browser, Windows or Linux
tool
• Firmware update via Ethernet during operation
IPv6, SSL,
SNMPv3 & Telnet
• IPv6-ready
• HTTP/HTTPS, e-mail (SSL, STARTTLS), DHCP, Syslog
• SNMPv1, v2c, v3 (Get/Traps)
• TLS 1.0, 1.1, 1.2
• Telnet, Radius and Modbus TCP support
• Access control via IP Access Control List
• Android and iOS app Gude Control allows access from anywhere
• Low internal power consumption, typ. 5 W/ 7 W (8221-1 /
8226-1)
• Developed and manufactured in Germany
Electrical Connections
• 2 Power supplies (IEC C20, max. 16 A, 230 V)
• 2 x 6 Power Ports (IEC C13, max. 10 A)
• Ethernet connector RJ45 (10/100 Mbit/s)
• Serial interface RS232 (Sub-D 9-pin)
• 2 RJ45 interfaces for optional sensors
Technical Details
• Dimensions: 19 inch, 1 rack unit
• LxHxD: 43.9 x 4.4 x 19.5 cm (without brackets)
• Weight: ca. 2.9 kg
• Operating temperature: 0-50 °C
• Storage temperature: -20 - 70 °C
• Relative humidity: 0 - 95 % (non-condensing environment)
Power connectors on rear panel on Expert Power Control 8221-1
and Expert Power Control 8226-1
Order code Product Feature Operating Voltage Max. Current
8221-1 Expert Power Control 8221-1 Energy metering per bank 230 V 2 x 16 A
8226-1 Expert Power Control 8226-1 Energy metering per bank and per power port 230 V 2 x 16 A
7101 Temperature Sensor 7101 -20°C to +80°C
7102 Temp./Humidity Sensor 7102 -20°C to +80°C / 0-90% humidity
7103 Air pressure/Temp./Humidity
Sensor 7103
7201 Temperature Sensor 7201 -20°C to +80°C
7202 Temp./Humidity Sensor 7202 -20°C to +80°C / 0-90% humidity
7203 Air pressure/Temp./Humidity
Sensor 7203
0807 Cable Holder 0807 13 fixation bridges for load cables
300-1100 hPa / -20°C to +80°C / 0-90% humidity,
cable ca. 2,3 m
300-1100 hPa / -20°C to +80°C / 0-90% humidity
03/2017
Gude Analog- und Digitalsysteme GmbH
Eintrachtstr. 113
50668 Koeln, Germany
T +49.221.912 90 97
F +49.221.912 90 98
mail@gude.info
www.gude.info
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