BENTLY 3500/20 Rack Interface Module
BENTLY 3500/20 Rack Interface Module
INTRODUCTION
The Rack Interface Module (RIM) is the primary interface to the 3500 rack. It supports a proprietary protocol used to configure the rack and retrieve machinery information. The RIM must be located in slot 1 of the rack (next to the power supplies). The RIM supports compatible Bently Nevada external communications processors such as TDXnet, TDIX, and DDIX. While the RIM provides certain functions common to the entire rack, the RIM is not part of the critical monitoring path and has no effect on the proper, normal operation of the overall monitoring system. One RIM is required per rack.
Specifications
Power Consumption:4.75 watts, typical
Standard:RS232 serial communications
Data Rate:38.4 k baud.
OK LED:Indicates when the RIM is operating properly.
TX/RX LED:Indicates when the RIM is communicating with other modules in the 3500 rack.
TM LED:Indicates when the 3500 rack is in Trip Multiply.
CONFIG OK LED:Indicates that the 3500 rack has a valid configuration.
I/O Module OK Relay:
Relay to indicate when the 3500 rack is operating normally or when a fault has been detected within the rack. User can select either an "OPEN" or "CLOSED" contact to annunciate a NOT OK condition. This relay always operates as "Normally Energized".
OK relay:Rated to 5A @ 24 Vdc/ 120 Vac, 120 Watts/600 VA Switched Power.
Normally closed contacts:Arc suppressors are provided.
Trip multiply:Used to place 3500 rack in Trip Multiply.
Alarm inhibit:Used to inhibit all alarms in the 3500 rack.
Rack reset:Used to clear latched alarms and Timed OK Channel Defeat.
Maximum Current:<1 mA dc, Dry Contact to Common
Communications:RS232 serial communications only.
Protocol:Bently Nevada proprietary
Data rate:38.4 k baud maximum (auto baud capable).
Purpose:Permits data collection and 3500 rack configuration.
Cable length:30 metres (100 feet) maximum.
Operating Temperature:-30°C to +65°C (-22°F to +150°F)
Storage Temperature:-40°C to +85°C (-40°F to +185°F).
Humidity:95%, non-condensing.
Weight:0.91 kg (2.0 lb.).
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