User manual
UMSLMODGW-1006 25
AppendixA.Specifications
SL-MOD-GW Modbus/TCP Gateway
Interfaces
Ethernet 1
Serial ports 1, software configurable as either 1 x RS-232 or 1 x RS-485 or 1 x
RS-422
User interface
LED indicators Power (green), Ethernet link (green), 2 status (bi-color red/green)
Monitoring & configuration Web browser based
Diagnostic
High availability features Watchdog supervision, brown-out detection
Serial Port 1 RS-232 interface
Connector male 9-pin D-sub, DTE, EIA-574 pin-out
Physical layer EIA-232-F
Isolation non-isolated
Signals RXD, TXD, RTS, CTS, DTR, DSR, DCD, RI
Speed 300, 600, 1200, 2400, 4800, 9600, 19200, 57600, 115200 bps
Protocols Modbus RTU master
Serial Port 1 RS-485/RS-422 inter-
face
Connector 3.81 mm 6-pin pluggable terminal block header
Physical layer EIA-485-A, 2-wire or 4-wire
Isolation non-isolated
Speed 300, 600, 1200, 2400, 4800, 9600, 19200, 57600, 115200 bps
Max. number of nodes 32
Protocols Modbus RTU master
Ethernet port
Connector 8-pin RJ-45 socket for Cat 5 UTP
Physical & Data Link Layer Layer IEEE 802.3i 10BASE-T
Isolation 1.5 kV galvanic
Speed 10 Mbit/s
Max. cable length 100 m (328 ft)
Ethernet frame types 802.3
Protocols Modbus/TCP slave, HTTP, IP, TCP, ARP
Concurrent connections 4 Modbus/TCP slave, 2 HTTP
Power supply
Connector 3.81 mm 2-pin pluggable terminal block header
Voltage 10-30 V DC
Current 30 mA typical @ 24 V DC
Intrinsic consumption 750 mW
Electromagnetic compatibility