K121
K121
Universal Isolating Converter - Loop Powered

 
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Details





The K121 is Seneca's brand new universal converter/isolator, and is suitable for RTD, thermocouple, Ohm, V and mA conversions. In case of mA/V inputs, start and full scale can be settled with the following limits: ±24mA and ±30V. The device is supplied over the 4-20mA signal output (loop powered) and can only be configured using the free Easy LP software (or using the S117P kit). In some ways the K121 could even be seen as an inexpensive alternative to the Z109REG2.

From the compact, DIN-Rail mount box of the K121 you can achieve almost infinite applications, whilst also reducing your wiring as both the output and the power supply utilise the same circuit. The K121 is used to read different sensor types by a PLC analogue input card with built in power supply.





Specification





Inputs
Channels
1
Voltage
-150 to +150mV, -30 to +30V
Current
-24 to +24mA
RTD
PT100, PT500, PT1000, Ni100
Thermocouple
Type J, K, R, S, T, E, B, N
Analogue
Potentiometer

Outputs
Channels
1
Current
4 to 20mA loop powered

Power Supply
Power Supply
7 to 30Vdc
Consumption
< 660mW
Power Transducers
No
Isolation
1500Vac (2 way)

Measurements
Accuracy
0.1%
Response Time
140ms

Interface
Indicators
Power supply, error
Configuration
Software

Casing
Dimensions
6.2 x 93 x 102.5mm
Mounting
35mm DIN rail

Operation
Operating Temperature
-20 to +65C
Protection
IP20

Approvals
Approvals
CE
Standards
EN 50081-2, EN 55011, EN 50082-2, EN 61000-2-2/4, EN 50140/141, EN 61010-1
For more specifications, please see the Datasheet or Manual here.



Downloads



K121 Datasheet
(25/03/2015)
K121 Manual
(26/03/2015)
K121 Certificate
(26/03/2015)
K121 Software
(01/08/2014)
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