NX1016 — 16-ch Digital Input

The NX1016 acquires 16 opto-isolated digital input channels at 24 V from sensors, photocells, and limit switches. Each channel has a 1 ms RC noise rejection filter. Four channels additionally support capture (frequency measurement 1 Hz–2 kHz) and two channels support counter input.

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Hardware

Connection

n°	Item	Description
1	RUN LED	Green — EtherCAT state
2	ERROR LED	Red — EtherCAT error
3	I/O LEDs	Yellow — 16 digital input states
4	I/O connectors	Removable terminals
5	Internal Bus	Power supply and EtherCAT bus

Internal Bus

Digital Input Signals

n°	Function
1	Digital Input 1 — Counter Input 1
2	Digital Input 2 — Counter Input 2
3	Digital Input 3
4	Digital Input 4
5	Digital Input 5
6	Digital Input 6
7	Digital Input 7 — Capture Input 1
8	Digital Input 8 — Capture Input 2
9	Digital Input 9 — Capture Input 3
10	Digital Input 10 — Capture Input 4
11–16	Digital Inputs 11–16

LED States

LED	State	Meaning
On/Run	Off fixed	Initialization
On/Run	Slow blinking	Pre-Operational
On/Run	Single blink + pause	Safe Operational
On/Run	On fixed	Operational
On/Run	Off or fast blinking	Boot
Error	On fixed	No connection

Each input channel (1–16) has a dedicated yellow LED: Off = logic 0, On = logic 1.

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Software

EtherCAT I/O Mapping — RxPDO

Channel	Value
Input 1–16	bit 0–15 (16-bit word)
Frequency 1–4	16-bit each
Counter 1–2	32-bit each

SDO Configuration

SDO 8000h — Input filter (1–64 ms, default 1 ms):

Index	SubIndex	Description
8000h	1–16	Input filter for channels 1–16

SDO 8010h — Edge and counter configuration:

Index	SubIndex	Description
8010h	1	0: Falling edge / 1: Rising edge (default) on Input 1
8010h	2	0: Falling edge / 1: Rising edge (default) on Input 2
8010h	3	1: Reset Counter on input 1
8010h	4	1: Reset Counter on input 2

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Technical Data

Parameter	Value
Channels	16
Input type	IEC 61131-2, high-side switching, opto-isolated
Input voltage range	0–30 Vdc
Logic level ‘0’	< 5 Vdc
Logic level ‘1’	> 15 Vdc
Current ON	3.5 mA @ 15 V / 5.4 mA @ 30 V
Capture frequency range	1 Hz … 2 kHz
Counter min pulse duration	1 ms
Current absorbed	~50 mA

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Module Installation

Mount on DIN rail (DIN EN 60715). Connect to the left via the T-bus connector. Always power off before inserting.