485 interface 16-input 16-output switch quantity acquisition module
Contact Info
- Address:平谷區(qū)王辛莊鎮(zhèn)樂(lè)園路29號(hào), Zip: 100000
- Contact: 蔡工
- Tel:15600362816
- Email:[email protected]
Other Products
Product Overview:
The DAM-3950A is a module with 16 channels of isolated digital input, 8 channels of Type C and 8 channels of Type A signal relay output, featuring an RS485 communication interface and supporting the standard Modbus RTU protocol. It is equipped with a user-friendly human-machine interface, easy to use, and offers stable performance.
Product Parameters:
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℃ |
| Industry Category: | Others |
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