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PID 3400X-121 Configurable Controller Module | For Protos | Analog, digital or PID controller | Ex

Description

PID 3400X-121 Configurable Controller Module | For Protos | Analog, digital or PID controller | Ex

PID Controller Module with 2 Current Outputs and 4 Relay Outputs

  • Continuous controller for the actuation of control valves
  • Quasi-continuous pulse length/pulse frequency controller for the actuation of straightway valves or metering pumps
  • 2 free limit contacts, e.g. for 3-point control of secondary control processes

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Technical details

Communication (Output, Digital): Analog 4 ... 20 mA
Explosion protection: Yes

Downloads

Manuals

[1012] User Manual
Communication Module Protos PID 3400(X)-121
[14595] Installation Guide
Communication Module Protos PID 3400(X)-121

Certificates

[18017] Certitficate of Conformity (China - Ex NEPSI)
Protos 3400X, Protos II 4400X, Module und MSU 4400X-180 Module
Cert No. GYJ20.1054 | 2025-08-19
[14326] EU Type-Examination Certificate
No. KEMA 03ATEX2530 | 2022-07-28 | Issue No. 11
Protos 3400X, Protos II 4400X & Modules
[12581] Certitficate of Conformity (China - Ex NEPSI)
Protos 3400X, Protos II 4400X & Module
Cert No. GYJ20.1054 | 2025-08-19
[14655] EU Declaration of Conformity (DE, EN, FR)
Protos Type 3400X*/***& Protos II Type 4400X*/***
No. EU221019A | 2022-10-19

Control Drawings

[16770] Control Drawing
Protos 3400X, Protos II 4400X & Modules
Zeichnungsnummer 201.003-170 page 1 rev.4
cFMus

Our service

Used in Process or Applications

Knick offers innovative process analyzers, high quality holders and fittings, and unique cleaning and calibration systems

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