Relay board or multiple relay module

Adjustable response delay time / with lower or upper limit violation / Full-scale value

• 20 s
  (1)

Amperage Rating

• 30 AMP
  (1)

Communication

• Modbus/RTU;Modbus/TCP;TCP/IP;PPP;HTTP/HTML;FTP;NTP;XML;SNMP-Trap
  (2)
• Modbus/RTU;Modbus/TCP;TCP/IP;PPP;HTTP/HTML;FTP;NTP;XML;SNMP-Trap Protocols;RJ45 10/100 Ethernet;Full Half Duplex;Auto Polarity LAN;USB Expansion Port
  (1)
• Modbus/RTU
  (3)
• Modbus/TCP;TCP/IP;PPP;HTTP/HTML;FTP;NTP;XML;SNMP-Trap
  (1)

Control supply voltage / at AC / at 60 Hz / Rated value / maximum

• 690.0 V
  (1)

Flash Rom

• 16MB NOR Flash
  (2)
• 16 MB NOR Flash (expandable with USB memory device)
  (1)
• 16 MB NOR Flash
  (1)

Input

• RS-485 Modbus;Supports up to 32 External Device
  (3)

Memory

• 32 MB RAM
  (4)

Number Of Relays

• 4
  (1)

Operating System

• Linux 2.6
  (4)

Pole Configuration

• SPDT
  (1)

Processor

• ARM9 embedded CPU, ARM7 IO co-processor
  (2)
• ARM9 embedded CPU
  (2)
• 60MHz ARM7 embedded CPU
  (1)
• ARM7 field upgradeable firmware
  (2)

Relative metering precision

• 5 %
  (1)

Size

• 8 H x 9.25 W x 2.5 D IN
  (2)
• 4 H x 4.25 W x 2 D IN
  (2)
• 4.5 H x 6.5 W x 2 D IN
  (1)
• 3.39 H x 4.13 W x 1.18 D IN
  (2)

Type

• Relay Module
  (1)

Voltage Rating

• 120/277 VAC
  (1)

Manufacturers