Technical data

Encoder	EJ5112
Encoder	Single-channel mode	Two-channel mode
Encoder type	Incremental, differential (RS422), single-ended (TTL, open collector), counter, pulse generator
Encoder connection	Differential inputs (RS422): A, A̅, B, B̅, C, C̅ Single-ended connection (TTL, Open Collector): A, B, C	Differential inputs (RS422): A, A̅, B, B̅ Single-ended connection (TTL, Open Collector): A, B Counters, pulse generators: A, B
Number of channels	1 x A, B, C	2 x A, B
Additional inputs	Latch, Gate/Latch (24 V_DC, t_ON> 1 µs), Status Input input (max. 5 V_DC, negative switching, t_ON> 10 µs)	Gate/Latch (24 V_DC, t_ON> 1 µs) per channel
Encoder operating voltage	5 V_DC(preset), 12 V_DC, 24 V_DCswitchable, 0.3 A sum current (generated from the 24 V_DC - U_P-contacts)
Counter	32 bit (default) or 16 bit switchable
Cut-off frequency	RS422 mode: 20 million increments/s with 4-fold evaluation, corresponds to 5 MHz TTL mode: 4 million increments/s with 4-fold evaluation, corresponds to 1 MHz Open Collector: 400,000 increments/s with 4-fold evaluation, corresponds to 100 kHz
Quadrature decoder	4-fold evaluation (preset), 2-fold, 1-fold evaluation switchable

Function and communication	EJ5112
Function and communication	Single-channel mode	Two-channel mode
Micro-increments resolution	1/256 bit micro-increments	no
Broken wire detection to encoder	yes for RS422 encoder
Distributed Clocks	yes
Timestamp	Resolution 1 ns	no
Configuration	via TwinCAT System Manager
Special functions	Period duration, frequency and speed measurement, Duty Cycle measurement, micro-increments, filters, Timestamp on: last incremental edge, zero pulse C, Latch input and Gate/Latch input	Period duration, frequency and speed measurement
Cycle time	min. 100 µs

Supply and potentials	EJ5112
Supply and potentials	Single-channel mode	Two-channel mode
Current consumption via E-bus	typ. 210 mA
Current consumption from Up contacts	typ. 10 mA + load
Electrical isolation	500 V (E-bus/field voltage)

Housing data	EJ5112
Housing data	Single-channel mode	Two-channel mode
Design form	EtherCAT I/O plug-in module
Dimensions (W x H x D)	approx. 12 mm x 66 mm x 55 mm
Weight	approx. 30 g
Mounting	on signal distribution board
Pollution degree	2
Mounting position	Standard
Position of the coding pins	2 and 5
Color coding	grey

Environmental conditions	EJ5112
Environmental conditions	Single-channel mode	Two-channel mode
Permissible ambient temperature range during operation	-25°C ... +60°C (extended temperature range)
Permissible ambient temperature range during storage	-40°C ... +85°C
Permissible relative air humidity	95%, no condensation
Operating altitude	max. 2,000 m
Vibration/shock resistance	conforms to EN 60068-2-6 /EN 60068-2-27 (with corresponding signal distribution board)
EMC immunity/emission	conforms to EN 61000-6-2 /EN 61000-6-4 (with corresponding signal distribution board)
Protection class	EJ module: IP20 EJ system: dependent on the signal distribution board and housing

Standards and approvals	EJ5112
Standards and approvals	Single-channel mode	Two-channel mode
Approvals/markings*	CE, UKCA

*) Real applicable approvals/markings see type plate on the side (product marking).

	CE approval The CE Marking refers to the EtherCAT plug‑in module mentioned above. If the EtherCAT plug-in module is used in the production of a ready-to-use end product (PCB in conjunction with a housing), the manufacturer of the end product must check compliance of the overall system with relevant directives and CE certification. To operate the EtherCAT plug‑in modules, they must be installed in a housing.