Rotary Encoders Technical Guide Interpreting Engineering Data Bearing Life Cable Extension Characteristics Ws: 20N Ws: 25N Wr Encoder 4 3 Ws Shaft Wr: Radial load Ws: Thrust load Ws:30N 28 1.4 24 1.2 20 1.0 16 0.8 12 0.6 2 8 Ws:40N 0.4 V OL 1 4 10 20 1 30 40 50 Radial load Wr (N) 0.2 t LH 0 0 Output residual voltage VOL (V) 5 Output rise time tLH (µs) E6B2-CWZ6C Life (x 109 rotations) E6B2-C 2 5 10 20 0 50 100 200 Cable length (m) Measurement Example Power supply voltage: 5 VDC Load resistance: 1 kΩ (Output residual voltage is measured at a 35 mA load current.) Cable: Special Cable • This graph shows the relationship between mechanical life and the load applied to the shaft. • The size of the load during rotation affects the life of the bearings. • This graph shows the effect of the output waveform if the cable is extended. • Extending the cable length not only changes the startup time, but also increases the output residual voltage. Operating Procedure and Data Peripheral Device Connectability Yes: Connection possible. No: Connection not possible. Incremental Encoders Peripheral device EtherCATcompatible High-speed Counter Unit Encoder Input Terminal Digital Counter Self-powered Tachometer Frequency/ Rate Meter Up/Down Counting Meter Period Meter Direction Detection Unit SYSMAC Pulse I/O Module ∗ H7BX-A H7CX-A@-N H7BX-AW H7CX-R@-N H7ER-N K3HB-R K3HB-C K3HB-P E63-WF5C CJ2M-CPU1@/ CPU3@ + CJ2M-MD21@ C@-CT@ GX-EC02@@ No No No No No No No Yes No E6D-CWZ2C Yes Yes Yes Yes Yes Yes No Yes No E6F-CWZ5G Yes Yes Yes Yes Yes Yes Yes Yes Yes E6A2-CS3E E6A2-CW3E E6A2-CWZ3E E6B2-CWZ3E E6H-CWZ3E E6C2-CWZ3E E6C3-CWZ3EH Yes Yes Yes Yes Yes Yes No Yes No E6A2-CS3C E6A2-CW3C E6A2-CWZ3C E6A2-CS5C E6A2-CW5C E6B2-CWZ6C E6H-CWZ6C E6C2-CWZ6C E6C3-CWZ5GH Yes Yes Yes Yes Yes Yes Yes Yes Yes E6B2-CWZ1X E6H-CWZ3X E6C2-CWZ1X E6C3-CWZ3XH No No No No No No Yes Yes Yes E6B2-CWZ5B E6C2-CWZ5B No No Yes No Yes No No No No Rotary Encoder model Model E6D-CWZ1E E6J-CWZ1E * Supported by CJ2M CPU Unit with unit version 2.0 or later. 7