Bently Nevada 3500/32M Data sheet
3500/32M 4-Channel Relay Module
Datasheet
Bently Nevada Machinery Condition Monitoring
Description
The 4-Channel Relay Module is a full-height module that
provides four relay outputs. Any number of 4-Channel Relay
Modules can be placed in any of the slots to the right of the
Transient Data Interface Module. Each output of the 4Channel Relay Module can be independently programmed to
perform voting logic.
Each relay utilized on the 4-Channel Relay Module includes
Alarm Drive Logic.
Programming for the Alarm Drive Logic uses AND and OR logic,
and can use alarming inputs (Alert and Danger statuses),
Not- OK, or individual PPLs from any monitor channel or any
combination of monitor channels in the rack. You can
program this Alarm Drive to meet your application needs
using the 3500 Rack Configuration Software.
141533 Rev. T
3500/32M 4-Channel Relay Module
Datasheet 141533 Rev. T
I/O Module
Specifications
Inputs
Power
Consumption
Outputs
OK LED
TX/RX LED
CH ALARM LED
Relays
Type
Environmental
Sealing
Arc
Suppressor
Contact Life
Operation
5.8 watts typical
Illuminated when module is
functioning properly.
Transmit and Receive. Flashes to
indicate proper communications
between this module and other
modules within the rack.
Illuminated to indicate that the
Relay Channel is in an alarm state.
Single-pole, double-throw (SPDT)
relays
Epoxy-sealed
250 Vrms, installed as standard
100,000 cycles @ 5 A, 24 Vdc or 240
Vac
Each relay of the four channels is
switch selectable for Normally Deenergized or Normally Energized.
Environmental Limits
Operating
Temperature
Storage
Temperature
Humidity 95%, non-condensing
-30°C to +65°C
(-22°F to +150°F)
-40°C to +85°C
(-40°F to +185°F)
Dimensions
(Height x Width x
Depth)
Weight 0.4 kg (1.0 lb.)
Rack Space Requirements
Main Module 1 full-height front slot.
I/O Modules 1 full-height rear slot.
Contact Ratings for Standard
Systems
Standard Relays
Minimum switched current 100 mA @ 12 Vdc
DC specifications (Resistive load)
Maximum switched current
Max switched voltage 125 Vdc
AC specifications (Resistive load)
Maximum switched voltage 250 Vac
Maximum switched current 2 A
Maximum switched power 450 VA
Contact Ratings For Functional
Safety Systems and Hazardous
Area Systems
Standard Relays
241 mm x 24.4 mm x 99.1 mm
(9.50 in. x 0.96 in. x 3.90 in.).
2 A @ 0V to 30 Vdc
0.75 A @ 48 Vdc
0.2 A @ 125 Vdc
Physical Characteristics
Main Module
Dimensions
(Height x Width x
Depth)
Weight 0.7 kg (1.6 lb.)
241 mm x 24.4 mm x 242 mm
(9.50 in. x 0.96 in. x 9.52 in.)
Minimum switched current 100 mA @ 12 Vdc
DC specifications (Resistive load)
Maximum switched current 2 A @ 0V to 30 Vdc
Maximum switched voltage 30 Vdc
AC specifications (Resistive Load)
Maximum Switched Voltage 30 Vac
Maximum Switched Current 2 A
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3500/32M 4-Channel Relay Module
Datasheet 141533 Rev. T
WARNING
Due to the potential for varying
voltage levels, please review the
following:
• 3500 monitors ordered with
hazardous approvals options (01 & -
02) are certified to Division 2/Zone 2
standards (including ATEX/IECEx
and North American Zones and
Divisions). The Division 2 /Zone 2
standards specify increased
spacing requirements at higher
voltages, and the 3500/32M relays
do not meet these spacing
requirements. For this reason,
3500/32M relays ordered with the
hazardous area approvals options
(including country-specific
hazardous area approvals options)
have historically been limited to a
lower voltage than those ordered
with non-hazardous approvals
options. Using higher voltages
would violate the hazardous area
certificates associated with the
hazardous area approvals option.
• If the 3500/32M is part of a
functional safety (SIL) system, the
functional safety certificate
requires the restricted voltage.
Higher voltages are not allowed for
functional safety (SIL) systems.
• It is possible to connect field wiring
to the 3500/32M relays such that
conductors are exposed to
potential human contact. This could
present a shock hazard at high
voltages. Customers shall only use
the 3500/32M relays at the voltages
specified. Appropriate safety
precautions must be taken with
respect to the shock hazard.
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