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** DISCONTINUED **This product is discontinued with no designated replacement but available while supplies last. Contact Westward Sales to discuss an alternative option.
The STM-601C industrial Modbus gateway from Antaira Technologies allows legacy Modbus RTU/ASCII devices to operate on a Modbus TCP network. The unit may be configured as either Modbus serial master or slave. The STM-601C features two independent Fast Ethernet ports for redundancy and reliability. The single serial port, configurable as RS-232, RS-422, or RS-485, connects to a variety of standard serial devices and networks. The rugged design meets Class 1, Division 2 specifications and extended temperature making it suited for industrial environments where Modbus is often deployed.
STM-601C, Industrial Modbus TCP to 4 port serial (RS-232, RS-422,or RS-485) RTU/ASCII gateway, standard temperature, 0 to 60°C
STM-601C-T, Same as above with extended temperature, -40 to 70°C
| Technology | |
| Category | Serial Connectivity |
| Ethernet Ports | 2 Fast Ethernet (10/100TX) |
| Standards | IEEE 802.3 10BASE-T / IEEE 802.3u 100BASE-TX |
| Functionality | CSMA/CD |
| Protocol | ICMP, IP, TCP, UDP, BOOTP, DHCP, Auto IP, SNMP, HTTP, DNS, SMTP, ARP, and NTP |
| Industrial Protocols | Modbus TCP and Modbus RTU/ASCII |
| Watchdog Timer | Included |
| Serial Interface | |
| Category | Modbus TCP to Serial |
| Serial Ports | 1 RS-232/422/485 |
| Baud Rate | 50 bps to 921.6 Kbps |
| Parity | None, Odd, Even, Space, Mark |
| Stop Bits | 1, 2 |
| Flow Control | XON/XOFF, RTS/CTS |
| Signals | RS-232: TxD, RxD, CTS, RTS, DCD, RI, GND / RS-422: TxD+, TxD-, RxD+, RxD-, GND / RS-485: Data+, Data-, GND |
| Network Management | |
| System Configuration | Windows utility, telnet console, web browser |
| Power | |
| Power Consumption | 3.2 W |
| Connection | Terminal Block |
| Input Voltage | Redundant 12 to 48 VDC |
| Reverse Polarity Protection | Yes |
| Overload Protection | Yes |
| Mechanical | |
| Enclosure | Metal |
| Dimensions | 37 x 140 x 95 mm (1.46" x 5.51" x 3.74") |
| Weight | 1.04 lbs (0.47 kg) |
| Mounting | DIN-rail or wall mounting |
| LED Indicators | Link / activity, power, system status, LAN speed, and serial TX / RX |
| Ratings | |
| Operating Temperature | Standard: -10 to 60°C or Extended: -40 to 70°C |
| Storage Temperature | -40 to 80°C |
| Humidity | 5 to 95% non-condensing |
| RoHS Compliant | Yes |
| Certifications | CE, FCC Part 15 Subpart B (Class A), UL/cUL (Class 1, Division 2, Groups A, B, C and D) |
| Warranty | 5 Years |
| Download Name | File Size |
| STM-601C Datasheet | 253.19KB |
| STM-60XC Software Manual | 986.36KB |
| STM-601C Quick Install Guide | 318.03KB |
| STM-60XC Hardware Manual | 983.32KB |
| STM-60XC Press Release | 152.79KB |
| Image | Model | Product Name | Price | |
 | DR-30 | Antaira DR-30 (-12, -24) 30-Watt Industrial DIN-Rail Power Supply, 12V or 24V Output | $0.00 |
