2311AL SNMP Alarm Encoder (RTU)
Alarm remote accepting alarm contact closure (and optionally analog voltage) inputs and providing remote control relay closure outputs using SNMPv2 protocol, web configuration; 1 RU high; multiple rack mounting positions; 18 to 56 VDC floating power supply
Model 2311AL Characteristics | |
Ethernet Interface | |
LAN Port Performance Data |
10/100baseT RJ-45 Female Packets, buffers, comm errors (MIBII) |
LED Indicators | |
Power (green) Unit fail (red) Summary alarm (amber) Critical Alarm (red) Major alarm (red) Minor alarm (amber) Control asserted (green) LAN port activity (green and amber) |
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Craft Configuration Port | |
9 pin female D-Sub (DB9F) shielded | RS-232, 9,600 baud 8/N/1, no parity, no flow control Embedded Ethernet configuration program |
Power | |
Input Power Range Power Consumption Power Connection |
18 to 56 VDC, floating 4 to 7 Watts 3 pin DC filtered power connector (+, -, chassis ground) |
Environmental | |
Operating Temperature Humidity Range Storage Temperature |
0 to +50° C 5% to 95%, Non-condensing -40 to +70° C |
Physical Characteristics | |
Shelf Size Rack Mounting Shelf Weight |
1.75” H (1 RU), 19” W, 11” D Flush, 2” or 5 1/8” projection 5 pounds |
Virtual Alarms | |
Up to 16 virtual alarms can be created by Boolean logic combinations of external alarms | |
Alarm Inputs | |
50 pin female Centronics/Champ Programmable alarm delay before assertion |
32, Opto-isolated, 22 kΩ to station battery Programmable as Alarm or Status |
Control Outputs | |
50 pin female Centronics/Champ |
16, Form C relays 1 Alarm summary output, Form A relay Momentary or Latching Programmable NO or NC 1 amp max, DC 0.6 amp max, AC |
Analog Voltages | |
optional, field upgradeable) 5 pin female D-Sub (DB25F) shielded |
16, ground referenced, single-ended inputs (use pairs for up to 8 differential inputs) can use both single-ended and differential) Each input has 5 plus or minus ranges (0 to 7.5, 15, 30, 60 or 120 VDC) Polarity and range set via software 52 kΩ to ground, low pass filtered |
Documentation | |
2311AL Tech Data Sheet (PDF file size 299.38 KBs) 2311AL Tech Data Sheet (View as Webpage) |
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2311AL Manual (PDF file size 1.39 MBs) | |