I. Model Breakdown

CSB01.1C-SE-ENS-EN2-NN-S-NN-FW

CSB01.1C: CSB01 series, version 01.1, C = scalable

SE: Main communication = SERCOS optical interface (II/III compatible)

ENS: Encoder 1 (motor end) = 12V, fully compatible with Hiperface/1Vpp/TTL/IndraDyn

EN2: Encoder 2 (external / load end) = EnDat 2.1 absolute value encoder interface (1Vpp/TTL)

NN: No safety function (not L1/L2)

S: Panel = standard single-line LED + 4 keys

NN: No special function

FW: Pre-installed firmware, plug-and-play

II. Key Differences between EN2 and EN1 (Second Encoder)

EN1: External incremental encoder (HSF/RSF, 1Vpp/TTL)

EN2: External EnDat 2.1 absolute value encoder, supporting power-off memory, high-precision absolute positioning, mostly used in machine tool full closed-loop, high-precision synchronization, and absolute positioning scenarios.

III. Core Technical Specifications

Control axes: Single axis

Power supply: DC24V ±10%, power consumption approximately 8W

Control cycle: Current 125μs / Speed 250μs / Position 500μs

Encoder:

CH1: ENS (motor, fully compatible)

CH2: EN2 (external, EnDat 2.1 absolute value)

Communication: Fiber SERCOS + RS232 + Ethernet service port

I/O: 5DI / 3DI/O / 1 relay output

Safety: None (NN)

Panel: Single-line LED + 4 keys

Size / Weight: 350×80×220mm / Approximately 1.2kg

IV. Comparison of Dual Encoder Models in the Same Series Table

Model Communication Encoder 2 Safety Typical Application

CSB01.1C-SE-ENS-EN1-NN-S-NN-FW Optical SERCOS Incremental (HSF/RSF) No Ordinary dual-loop, tension control

CSB01.1C-SE-ENS-EN2-NN-S-NN-FW Optical SERCOS EnDat2.1 Absolute Value No Machining full-loop, high-precision absolute value positioning

CSB01.1C-S3-ENS-EN2-NN-S-NN-FW Electrical SERCOS III EnDat2.1 Absolute Value No Electrical bus high-precision full-loop

V. Application Scenarios

Optical SERCOS Bus: Strong electromagnetic interference, long-distance multi-axis synchronization

Full-loop Control: Machine spindle + optical encoder / absolute value encoder, high-precision positioning

Absolute Value System: No zero return upon startup, position maintained during power loss

Replacement of Old Equipment: Upgrade of original SERCOS II optical system / spare parts