485 interface 16-input 16-output switch quantity acquisition module

Analog Input

Input Channels

16 single-ended digital input channels (dry contact or wet contact common cathode)

Digital Input Voltage

Dry contact: Logic level 0: Grounded

Logic level 1: Open or floating

Wet contact: Logic level 0: 0~+3V (max)

Logic level 1: +5V～+30V

Note: Floating and wet contact high-level states are the same.

Operating Mode

DI input, low-to-high latch, high-to-low latch, counter, frequency measurement

Counter Function Support

32-bit

Counter/Frequency Input Range

0~400Hz

Others

Supports DI inversion function, supports signal filtering function

Digital Output

Channels

16 signal relay channels, including 8 Type C relays (normally open + normally closed contacts),

8 Type A relays (normally open contacts)

Rated Control Capacity (Resistive Load) Note 1

2A, 30V DC

Maximum Allowable Contact Current (Resistive Load)

2A

Maximum Switching Voltage (Resistive Load) Note 2

220V AC or 220V DC

Minimum Applicable Load (Resistive Load)

100µA 100mV DC

Relay Release Time

4ms (max)

Relay Operate Time 

4ms (max)

Mechanical Life

Over 100 million operations (switching frequency 180 times/min)

Electrical Life

Over 100,000 operations (under 2A 30V DC resistive load), over 500,000 operations

(under 1A 30V DC resistive load) (switching frequency 20 times/min)

Operating Mode

DO output, low-to-high delayed output, high-to-low delayed output, pulse output

Others

Communication Interface

RS485

RS485 Transmission Rate Note 3

Max 180 times/sec (total channels per module, at 115200bps)

Max 24 times/sec (total channels per module, at 9600bps)

Max 3 times/sec (total channels per module, at 1200bps)

Baud Rate

1200~115200bps

Watchdog

Software watchdog

Power Supply Voltage

+10~30VDC

Power Protection

Reverse power protection

Power Consumption

Rated 0.5W @ 24VDC

Operating Temperature

-10℃～＋70℃

Storage Temperature

-40℃～＋80℃