MQ-7244M CR # Ethernet I/O Modul/MQTT/2 portos Ethernet Switch/8x DI és 8x DO, ICP DAS
MQ-7244M CR # MQTT I/O Module with 2-port Ethernet Switch, with 8-ch DI and 8-ch DO (RoHS)
The MQ-7244M, MQ-7252M and MQ-7255M are Ethernet I/O devices equipped with 8-channel DI and 8-channel DO, as well as the MQTT protocol is supported for connecting with a variety of digital sensors in Industrial Internet of Things (IIoT) applications. A web-based user interface is provided to configure module, monitor the network connection status and I/O status, and control DO lines on the module via a normal web browser on a mobile device or computer.
The MQ-7244M, MQ-7252M and MQ-7255M feature optical isolation for 2500 VDC of transient overvoltage protection but do not provide channel-to-channel isolation. Each output channel can drive up to 650 mA load, together with configurable power-on value and safe value. The MQ-7200M module can safely be used in applications where hazardous voltages are present.
| Model |
MQ-7244M |
MQ-7252M |
MQ-7255M |
| Digital Input |
| Channels |
8 |
| Contact |
Wet |
Wet |
Dry, Wet |
| Sink/Source (NPN/PNP) |
Sink, Source |
Dry: Source
Wet: Sink, Source |
| Wet Contact |
On Voltage Level |
+10 VDC ~ +50 VDC |
| Off Voltage Level |
+4 VDC Max. |
| Input Impedance |
10 kΩ |
| Overvoltage Protection |
+70 VDC |
| Dry Contact |
On Voltage Level |
- |
- |
Close to GND |
| Off Voltage Level |
Open |
| Effective Distance |
- |
- |
500 M Max. |
| Digital Output |
| Channels |
8 |
| Type |
Isolated Open Collector |
| Sink/Source (NPN/PNP) |
Sink |
Source |
| Max. Load Current |
650 mA/channel at 25°C
Direct Drive Power Relay Module |
650 mA/channel at 25°C |
| Load Voltage |
+3.5 VDC~ +50 VDC |
+10 VDC~ +40 VDC |
| Overvoltage Protection |
60 VDC |
47 VDC |
| Overload Protection |
1.4 A |
- |
| Short-circuit Protection |
Yes |
| Power-on Value |
Yes , Configurable |
| Safe Value |
Yes , Configurable |
| Model |
MQ-7244M |
MQ-7252M |
MQ-7255M |
| Software |
| Built-in Web Server |
Yes |
| Web HMI |
Yes |
| Communication |
| Ethernet Port |
2 x RJ-45, 10/100 Base-TX, Switch Ports |
| Protocol |
MQTT 3.1.1 |
| Dual Watchdog |
Yes, Module (0.8 seconds), Communication (Configurable) |
| PoE |
- |
| LED Indicators |
| for System Running |
Yes |
| for Ethernet Link/Act |
Yes |
| for DI/DO Status |
Yes |
| 2-Way Isolation |
| Ethernet |
1500 VDC |
| I/O |
2500 VDC |
| EMS Protection |
| ESD (IEC 61000-4-2) |
±4 kV Contact for Each Terminal and ±8 kV Air for Random Point |
| EFT (IEC 61000-4-4) |
±4 kV for Power Line |
±2 kV for Power Line |
| Surge (IEC 61000-4-5) |
- |
±2 kV for Power Line |
| Power |
| Reverse Polarity Protection |
Yes |
| Powered from Terminal Block |
12 ~ 48 VDC |
| Consumption |
3.3 W Max. |
3.4 W Max. |
3.9 W Max. |
| Mechanical |
| Dimensions (L x W x H) |
120 mm x 97 mm x 42 mm |
| Housing |
Metal |
| Installation |
Wall Mounting |
| Environmental |
| Operating Temperature |
-25 ~ +75°C |
| Storage Temperature |
-30 ~ +80°C |
| Humidity |
10 ~ 90% RH, non-condensing |
| MQ-7244M CR |
MQTT I/O Module with 2-port Ethernet Switch, with 8-ch DI and 8-ch DO (RoHS) |
| MQ-7252M CR |
MQTT I/O Module with 2-port Ethernet Switch, with 8-ch DI and 8-ch DO (RoHS) |
| MQ-7255M CR |
MQTT I/O Module with 2-port Ethernet Switch, with 8-ch DI and 8-ch DO (RoHS) |
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