DAM-3028MA

Analog Input

Input Channel

8 single-ended digital inputs (dry contact or wet contact

common cathode)

Digital Input Voltage

Dry Contact: Logic Level 0: Ground

                      Logic level 1: open circuit or floating

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

                     Logic level 1: +5V～+30V

Note: The high level state of floating and wet contacts is the same.

Operating Mode

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

frequency measurement

Support Counter Function

32 bit

Counter/Frequency Input

Range

0~400Hz

Others

Support DI reverse function and signal filtering function

Digital Output

Channel

8 C-type signal relay, normally open + normally closed contact

Rated Control Capacity

(Resistive Load) _{Note 1}

2A, 30V DC

Contact maximum allowable

current (resistive load)

2A

Contact Maximum Switching

Voltage (Resistive Load) _{Note 2}

220V DC or 220V AC

Minimum Applicable Load

(Resistive Load)

10µA 10mV DC

Relay Off Time

4ms (max)

Relay On Time

4ms (max)

Mechanical Life

More than 100 million times (on-off frequency 180 times/min)

Electrical Life

More than 100,000 times (under 2A 30V DC resistive load),

more than 500,000 times (under 1A 30V DC resistive load)

(on-off frequency 20 times/min)

Operating Mode

DO output, low-to-high delay output, high-to-low delay output,

pulse output

Others

Communication Interface

RS485

RS485 Transfer Rate _{Note 3}

Maximum 180 times/second (total channel of single module,

under 115200bps)

Maximum 24 times/second (total channel of single module,

under 9600bps)

Maximum 3 times/second (total channel of single module,

under 1200bps)

Baud Rate

1200~115200bps

Watchdog

software watchdog

Supply Voltage

+10~30VDC

Power Protection

Power reverse protection

Power Consumption

Rated 0.5W @ 24VDC

Operating Temperature

-10℃～＋70℃

Storage Temperature

-40℃～＋80℃