ESP32M
1 x RS232/422/485
Modbus TCP to RTU/ASCII
Ethernet + WiFi
OverviewSpecificationsOrdering InformationInquiryResources
| CPU | Two low-power Xtensa® 32-bit LX6 microprocessors |
| RAM | 520K Bytes SRAM + External 8M SRAM |
| ROM | 440K Bytes Flash ROM + External 4M flash |
| Operating System | RTOS |
| Ethernet | Port Type : RJ-45 Connector Speed : 10/100 Mbps ( Auto Detecting ) Protocol : ARP , IP , ICMP , UDP , TCP , HTTP , DHCP Setup : HTTP Browser Setup Security : Setup Password Protection : Built-in 1.5KV Magnetic Isolation |
| Modbus mode | Modbus TCP To Modbus RTU Slave Modbus TCP To Modbus ASCII Slave Modbus RTU To Modbus TCP Slave Modbus ASCII To Modbus TCP Slave |
| WiFi
WiFi model only |
2.4G WiFi IEEE 802.11 b/g/n Support Station Mode Standard Compliance: IEEE 802.11b/g/n Spread Spectrum Technology: DSSS, OFDM Tx Power 11b: Maximum 20 dBm Tx Power 11n: Maximum 14 dBm Rx Sensitivity: -75 dBm @ 54 Mbps, -88 dBm @ 11Mbps Transmission Rate: 54 Mbps (max.) with auto fallback (54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 Mbps) Transmission distance: Up to 100 meters (@12 Mbps, in open areas) Security: WEP 64-bit/128-bit data encryption, AES, WPA2 Antenna Connector: Reverse SMA , 2 dBi Antenna Network Mode: Infrastructure |
| Serial port | RS232/RS485/RS422 x 1 port RS232 RX/TX only RS485/RS422 ( Surge Protect ) Speed：300 bps ~ 230.4 K bps Parity：None , Odd , Even , Mark , Space Data Bit：5 , 6 , 7 , 8 Stop Bit : 1 , 2 RS232 Pins : Rx , Tx , GND RS422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect ) RS485 : Data+ , Data- ( Surge Protect ) 15KV ESD for all signals |
| Power supply | DC 9~32 V , 1000 mA 1000mA@12V, support DC Jack & Terminal Input |
| LED Indicator | SYS (PWR) , LAN , Serial |
| Operating Temperature | -20 ºC ~ 70 ºC |
| Storage Temperature | -25 ºC ~ 80 ºC |
| Dimension | 100 x 90 x 250 mm ( W * D * H ) |
| Weight | 150 g |
| RoHS compliance | Yes |
| Regulatory approvals | EMC, FCC Class A, CE Class A |
| Warranty | 1 year |
| Model | Description |
| EM32 | 1 port Modbus RTU/ASCII to Modbus TCP. wired Ethernet |
| EM32W | 1 port Modbus RTU/ASCII to Modbus TCP. wired Ethernet + WiFi |