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DAM-3028MC

DAM-3028MC is 8-channel isolated digital input and 8-channel C-type signal relay output module, and it supports RS485 communication interface and standard ModbusRTU protocol. It is equipped with a good human-computer interface, so it is easy to use and its performance is stable.
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Product description
Measurement bus:
PCI
Analog input channels:
1-8
Synchronous analog input:
2
Digital input / output:
1-8
Measurement signal:
Voltage
Trigger:
Simulation
Analog output channel:
1
High-height design:
Digital isolation
Isolation & Conversion:
Conversion
Synchronous analog output:
4
Timer counter:
1

Analog Input

Input Channel

8 single-ended digital inputs (dry contact or wet contact common anode)

Digital Input Voltage

Dry contact: logic level 0: INx and IN.GND shorted

                  Logic level 1: INx open circuit or floating

Wet Contact: Logic Level 1: IN.COM Input Voltage: 0~+3V (Max)

           INx is connected to the negative terminal of the input voltage

                     Logic level 0: IN.COM input voltage: +10V+30V

           INx is connected to the negative terminal of the input voltage

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

Rated Control Capacity

(Resistive Load) Note 1

Ag+Au clad (silver+gold cladding)

Contact Maximum

Allowable Current

(Resistive Load)

2A, 30V DC

Contact Maximum

Switching Voltage

(Resistive Load) Note 2

2A

Minimum Applicable

Load(Resistive Load)

220V DC

Relay Off Time

10µA 10mV DC

Relay On Time

4ms (max)

Mechanical Life

4ms (max)

Electrical Life

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

Operating Mode

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)

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℃

 

Note

1. Resistive Load: The maximum value of all parameters of the relay is realized when the load is resistive load. Resistive load means the load that iodine tungsten lamp, incandescent lamp, resistance furnace, oven, electric water heater, etc. will not cause voltage and current phase changes.

2. Contact Maximum Switching Voltage: This value is the maximum value when the load is a resistive load, and supports DC and AC voltage. If the load is a capacitive load or an inductive load, this indicator may be reduced.

3. Data Communication Rate: This parameter refers to the communication speed between the MCU controller and the host computer, which belongs to the theoretical maximum value. The communication rate will also be affected by the length of the field wiring, the number of loaded modules, the programming architecture of the host computer, and the hardware capabilities of the CPU.

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2022-08-16 09:11:38
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