The Aim-TTi EX355P Digital Bench Power Supply is a single-channel PSU with an RS-232 interface. It is capable of providing a voltage output between 0 to 35V at 0 to 5A and has a maximum power output of 175W.
Constant Current and Constant Voltage Mode
The Aim-TTi EX355P Digital Bench Power Supply’s output can operate in either Constant Voltage or Constant Current mode and features automatic crossover and mode indication.
DC Output Switch
The DC On/Off switch allows the user to view the Aim-TTi EX355P Digital Bench Power Supply's voltage and current levels prior to connecting a load.
Voltage and Current Meter
Voltage and current data can be viewed via the Aim-TTi EX355P Digital Bench Power Supply’ large, bright display. This single-output PSU features a 4-digit voltage meter (resolution: 100mV) and a 3-digit current meter (resolution: 10mA).
Simple to Use
Voltage and current levels are easily, efficiently and accurately configured using analogue controls. The Aim-TTi EX355P Digital Bench Power Supply includes coarse and fine voltage controls, as well as a logarithmic current control for setting low currents precisely.
The Aim-TTi EX355P Digital Bench Power Supply will save the voltage, current and output status at power-down and will restore these settings upon power-up.
The Aim-TTi EX355P Digital Bench Power Supply can be digitally controlled via an isolated RS-232 interface. Via a simple command set the user can set voltage and current levels and engage/ disengage the output remotely. The RS-232 interface also provides readback of metering values and operating status.
The Aim-TTi EX355P Digital Bench Power Supply is a bench-top, single-channel PSU with an RS-232 interface enabling remote operation.
Aim-TTi EX355P Digital Bench Power Supply with RS-232 Key Features
- A single-channel PSU with an RS-232 interface
- Voltage output: 0 to 35V
- Current output: 0 to 5A
- Maximum power output: 175W
- Constant Current and Constant Voltage mode with automatic crossover and mode indication
- DC On/Off switch: view voltage and current settings prior to connecting a load
- Large, bright display with a 4-digit voltage meter and a 3-digit current meter
- Voltage resolution: 100mV
- Current resolution: 10mA
- Analogue controls for easily and efficiently setting voltage and current levels
- Coarse and fine voltage controls
- Logarithmic current control for setting low currents precisely
- Power-down memory: saves voltage levels, current levels and the output status at power-down and restores these settings upon power-up
- Isolated RS-232 interface for digital control
- Set voltage and current levels and engage/ disengage the output remotely
- RS-232 interface provides read-back of metering values and operating status
- Bench-top, single-channel PSU with an RS-232 interface for remote operation
- Aim-TTi EX355P Digital Bench Power Supply with RS-232 –175W, 1 Output
Aim-TTi EX-R Digital Bench Power Supplies Technical Specifications
|EX-R Model Range|
|Voltage/Current Levels||EX355R||0 to >35V; 0 to >5A||(175W nominal power)|
|EX335P/ EX355P-USB||0 to 35V; 0 to 5A||(175W nominal power)|
|EX1810R||0 to >18V; 0 to >10A||(180W nominal power)|
|EX2020R||0 to >20V; 0 to >20A||(400W nominal power)|
|EX4210R||0 to >42V; 0 to >10A||(420W nominal power)|
|EX354RD||2 x (0 to >35V; 0 to >4A)||(280W nominal power)|
|EX354RT||2 x (0 to >35V; 0 to >4A) plus <1.5 to >5.0V @ 5A||(305W nominal power)|
|EX752M||2 x (0 to >75V; 0 to >2A)||(300W nominal power)|
|Output Setting & Control||Voltage Setting||By coarse and fine controls.|
|Voltage Sensing EX752M||Voltage sensing is local only (i.e. no remote sense).|
|Voltage Sensing EX355P/ EX355P-USB||Voltage sensing is local only (i.e. no remote sense).|
|Voltage Setting EX355P/ EX355P-USB||By coarse and fine rotary encoders or RS-232 interface. Resolution 10mV|
|Current Setting||By single logarithmic control|
|Current Setting EX355P/ EX355P-USB||By single rotary encoder or RS-232 interface. Resolution 10mA|
|Output Mode||Constant voltage or constant current with automatic cross-over.
CC indicator lit in constant current mode.
|Output Switch||Electronic, non-isolating. Preset voltage and current limit displayed when Output is off. On state indicated by LED.|
|Output Performance||Ripple & Noise||Typically <2mV rms, <10mV pk-pk (EX355R, EX354RD, EX354RT)|
|Typically <2mV rms, <20mV pk-pk (EX1810R, EX2020R, EX4210R) (CV mode, 20MHz bandwidth)|
|Load Regualtion||<0·01% of maximum output for a 90% load change (using remote sense).|
|Line Regulation||<0·01% of maximum output for 10% line change|
|Transient Response||<200µs to within 50mV of setting for a 5% to 95% load change.|
|Temp. Coefficient||Voltage: typically <100ppm /°C.|
|Output Protection||Outputs will withstand forward voltages up to 40V (EX355R, EX354RD,
& EX354RT); 22V (EX1810R); 25V (EX2020R); 48V (EX4210R).
Reverse protection by diode clamp for currents to 3A.
|Output Protection EX752M||Outputs will withstand forward voltages up to 85V/170V.
Over-voltage trip operates above these levels.
Reverse protection by diode clamp for currents to 3A
|Output Connections||Output Terminals||Universal 4mm safety binding posts on 19mm (0·75”) spacing|
|Output Terminals EX752M||High voltage touch-proof terminals.|
|Note||Terminals can accept fixed shroud 4mm plugs, standard 4mm plugs, fork terminals and bare wires|
|Remote Sense||Sense Selection||Voltage sensing is selected as Local or Remote by front panel switch.|
|Sense Terminals||Sprung loaded screw-less terminals|
|Display Type||Dual 4-digit meters, 14mm (0·56”) LED|
|EX752M: 3 digit meters for voltage and current;
(4 digit on the second voltmeter to maintain resolution above 100V).
|EX355P/ EX355P-USB: 4 digit meter for voltage and 3 digit meter for current|
|Resolution EX355P/ EX355P-USB||100mV|
|Accuracy||0·3% of reading ± 3 digits|
|Accuracy EX752M||0·3% of reading ± 1 digit,|
|Accuracy EX355P/ EX355P-USB||0·3% of reading ± 1 digit,|
|Current Meter (EX355R, EX354RD, EX354RT)||Resolution||1mA|
|Resolution EX355P/ EX355P-USB||10mA|
|Accuracy||0·5% of reading ± 3 digits|
|Accuracy EX752M||0·6% of reading ± 1 digits|
|Accuracy EX355P/ EX355P-USB||0·6% of reading ± 1 digits|
|Note that in constant voltage mode the meter will show the set voltage to a resolution of
10mV. However, the metering resolution is limited to 100mV when in constant current mode,
and the last digit will be set to zero.
|Current Meter (EX1810R, EX2020R, EX4210R)||Resolution||10mA|
|Accuracy||0·6% of reading ± 3 digits|
|Auxiliary Output (EX354RT only)|
|Voltage||Variable <1.5V to >5V by front panel control.|
|Meter accuracy||0.3% ± 4 digits.|
|Current limit||5A minimum|
|Load regulation||<0.5% for 90% load change.|
|Load Regulation EX752M||Modes A and B - <0·01%; Mode C - <0·1% + 2mV (90% load change)|
|Line regulation||<0.1% for 10% line voltage change|
|Ripple & Noise||Typically <2mVrms, <10mVpk-pk (20MHz bandwidth)|
|Ripple & Noise EX752M||Typically <2mV rms, <15mV pk-pk (CV mode, 20MHz bandwidth)|
|Output Protection||Output will withstand up to 7V forward voltage.
Diode clamp reverse protection for currents up to 3A
|Output Terminals||Universal 4mm safety binding posts on 19mm (0·75”) spacing|
|Status Indication||UNREG lamp|
|Multi-Mode Operation EX752M||Three modes of operation can be selected via a rotary switch|
|Mode A: Two independent and isolated outputs (75V/2A each)|
|Mode B: One output of double the current capability (75V/4A).
(Unused output is disabled and its displays are blanked).
|Mode C: One output of double the voltage capability (150V/2A).
(Unused output is disabled and its displays are blanked).
Power Down Memory EX355P/ EX355P-USB
|The power supply saves the voltage, current and output-enable status at power down and restores the settings at power up.|
Remote Control EX355P/ EX355P-USB
|Fully opto-isolated from power supply output.|
|Set Voltage, Set Current, Set Output On/Off, Read Voltage,
Read Current, Read On/Off, Read Mode (CV or CC).
|Voltage 0.3% ±20mV. Current 0.6% ±20mA|
|Voltage 10mV. Current 10mA|
|Voltage 0.3% ±100mV. Current 0.6% ±20 mA|
|Voltage 100mV. Current 10mA.|
RS-232 Interface EX355P
|Baud Rate: Variable from 600 baud to 9,600 baud.|
USB Interface EX355P-USB
|Conformance: USB 2.0. Compatible with USB 1.x.|
|Input||AC Input||EX354RD, EX354RT - 110V to 240V 50/60Hz (universal input);
Other Models - 230V AC ± 10% 50/60Hz; 115V to order.
Installation Category II
EX810R, EX355R - 400VA; EX354RD, EX354RT - 500VA
EX2020R, EX4210R - 800VA
|Temperature & Environmental||Operating Range||+5ºC to +40ºC, 20% to 80% RH|
|Storage Range||-40ºC to + 70ºC|
|Environmental||Indoor use at altitudes up to 2000m, Pollution Degree 2|
|Cooling||EX1810R, EX355R, EX354RD, EX354RT - fan-less convection cooling;
EX2020R, EX4210R - fan assisted using low-noise brushless dc fan.
|Safety & EMC||Safety||Complies with EN61010-1|
|EMC||Complies with EN61326|
|Physical||Size||Single output models - 140x160x320 mm (WxHxD).
Dual and triple output models - 260x160x320 mm (WxHxD)
|Weight||EX810R, EX355R - 3.0kg; EX2020R, EX4210R - 3.6kg
EX354RD, EX354RT - 4.3kg