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3500/33 16-Channel Relay Module
Datasheet
Bently Nevada Machinery Condition Monitoring
Description
The 3500/33 16-Channel Relay Module is a full-height module that
provides 16 relay outputs. You can place any number of 16-channel
relay modules in any of the slots to the right of the Transient Data
Interface (TDI) Module.
Each output of the 3500/33 16-Channel Relay Module can be
independently programmed to perform voting logic.
Each relay of the module includes Alarm Drive Logic. Programming for
the Alarm Drive Logic uses AND and OR logic and may use the
following:
l Alarming inputs (alert and danger statuses)
l Not-OK
l Individual Measured Variables from any monitor channel or any
combination of monitor channels in the rack
You can program the Alarm Drive using the 3500 Rack Configuration
Software.
162301 Rev. V
Page 2
3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
I/O Module
Specifications
Inputs
Power
Consumption
Outputs
Front Panel LEDs
OK LED Illuminated when the 3500/33 16-
TX/RX LED
CH Alarm LED Illuminated when Relay channel
Relay Type Single-pole
Relay
Environmental
Sealing
Relay Arc
Suppressor
5.8 watts typical
Channel Relay Module is
operating properly.
Transmit and receive flashes
when the 3500/3316-Channel
Relay Module is communicating
with other modules in the 3500
rack.
is in an alarm state.
Double-throw (SPDT)
Epoxy-sealed
250 Vrms
Installed as standard
Dimensions
(height x width x
depth)
Weight 0.4 kg (1.0 lb)
241 mm x 24.4 mm x 99.1 mm
(9.50 in x 0.96 in x 3.90 in)
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
Min Switched
Current
DC Specifications (Resistive Load)
Max Switched
Current
Max Switched
Power
Max Switched
Voltage
AC Specifications (Resistive Load)
100 mA @ 5 Vdc
3 A
70 W @ 24 Vdc
10 W @ 48 Vdc
9 W @ 60 Vdc
125 Vdc
Relay Contact
Life
Relay Operation Four groups of four channels are
10,000 cycles
switch selectable for Normally
De-energized (ND) or Normally
Energized (NE) operation.
Physical
Main Module
Dimensions
(height x width x
depth)
Weight
241 mm x 24.4 mm x 242 mm
(9.50 in x 0.96 in x 9.52 in)
0.7 kg (1.6 lb)
Max Switched
Current
Max Switched
Power
Max Switched
Voltage
3 A
1200 VA
250 Vac
Contact Ratings for Failsafe Systems
and Hazardous Area Systems
Standard Relays
Min Switched
Current
2/10
100 mA @ 5 Vdc
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
DC Specifications (Resistive Load)
Max Switched
5 A
Current
Max Switched
30 Vdc
Voltage
l Minimum switched load for standard (silver)
contacts is 100 mA @ 5 Vdc.
l Minimum switched load for Low Current (gold-
plated) contacts is 1 mA @ 1 Vdc.
Low Current Relays
DC Specifications (Resistive Load)
Min Switched
Current
Max Switched
Current
For relay contact selection See Front and Rear View of
the 3500/33 16-Channel Relay Module on page 8.
1 mA @ 1 Vdc
100 mA @ 48 Vdc
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
Compliance and Certifications
FCC
This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
l This device may not cause harmful
interference.
l This device must accept any interference
received, including interference that may
cause undesired operation.
EMC
European Community Directive:
EMC Directive 2014/30/EU
Standards:
EN 61000-6-2 Immunity for Industrial
Environments
EN 61000-6-4 Emissions for Industrial
Environments
Electrical Safety
European Community Directive:
LV Directive 2014/35/EU
Standards:
EN 61010-1
Hazardous Area Approvals
For the detailed listing of country and product
specific approvals, refer to the
Quick Reference Guide
from Bently.com.
CSA/NRTL/C
Class I, Zone 2: AEx/Ex nA nC ic IIC T4
Gc;
Class I, Zone 2: AEx/Ex ec nC ic IIC T4
Gc;
Class I, Division 2, Groups A, B, C, and
D;
T4 @ Ta= -20˚C to +65˚C (-4˚F to
+149˚F)
When installed per drawing 149243 or
149244.
ATEX/IECEx
II 3 G
Ex nA nC ic IIC T4 Gc
Ex ec nC ic IIC T4/T5 Gc
T4 @ Ta= -20˚C to +65˚C
(-4˚F to +149˚F)
When installed per drawing 149243 or
149244.
(108M1756) available
Approvals
RoHS
European Community Directive:
RoHS Directive 2011/65/EU
Maritime
ABS - Marine and Offshore Applications
DNV GL Rules for Classification – Ships,
Offshore Units, and High Speed and Light Craft
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
16-position
Ordering Information
For the detailed listing of country and product
specific approvals, refer to the
Quick Reference Guide
from Bently.com.
(108M1756) available
Approvals
Green
3500/33 AA-BB
A: Output Module
01
02 16-Channel Failsafe Relay Output Module
03 Low Current 16-Channel Relay Output
04 Low Current 16-Channel Failsafe Relay
B: Hazardous Area Approval Option
00 None
01
02
16-Channel Relay Output Module
Module
Output Module
CSA / NRTL / C (Class 1, Division 2)
ATEX / IECEx / CSA (Class 1, Zone 2)
Spares
149986-01
149992-01
149992-02 Spare 16-Channel Failsafe Relay
Spare 16-Channel Relay Control
Module
Spare 16-Channel Relay Output
Module
Output Module
149992-03 Spare 16-Channel Low Current
Relay Output Module
149992-04 Spare 16-Channel Low Current
Failsafe Relay Output Module
04425545 Grounding Wrist Strap (single
use)
162291
00580453 Connector Header
16-Channel Relay Module User
Guide
Internal Termination
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
Ordering Considerations
l The 3500/33 16-Channel Relay Module requires
the 3500 Rack Config, version 3.3 or later.
l The 3500/33 requires the 3500 Data Acquisition
Software, version 2.40 or later.
l The 3500/33 16-Channel Relay Module requires
the 3500 Data Display Software, version 1.40 or
later.
l When ordered with the multiple approvals option
(02), the 3500 monitor is certified to Zone 2
standards, including ATEX and North American
zones.
l The Zone 2 standards specify increased spacing
requirements at higher voltages. The 3500/33
16-Channel Relay Module does not meet these
spacing requirements. Thus, the module ordered
with the multiple approvals option is limited to a
lower voltage than those with the other
approvals options.
l Using higher voltages violates the hazardous
area certificates associated with the multiple
approvals option.
l The North American Division 2 standards
associated with the CSA-only approvals option
(-01) have been de-rated to 30 Vrms to comply
with 61010-1 type test requirements.
l If the 3500/3316-Channel Relay Module 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.
WARNING
Channel Relay Module,
conductors may be exposed,
creating a shock hazard at high
voltages.
Use the 3500/33 16-Channel
Relay Module only at voltages
up to 30 Vrms.
WARNING
HAZARDOUS
VOLTAGE
RISK OF ELECTRIC SHOCK
OR BURN.
When you connect the field
wiring to the 3500/33 16-
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
Graphs and Figures
1. Relay Module
2. I/O Module
3. Status LEDs
4. Relay Channel LEDs
5. Relay Contacts
6. Relay Mode Selection Switch
Figure 1: Front and Rear View of the 3500/33 16-Channel Relay Module
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
1. Low Current Output Modules (Ordering options A03 and A04) use
gold-plated relay contacts
2. Standard Output Modules (Ordering options A01 and A02) use silver
relay contacts
If the application is at the transition between the low current region and the high current region, the most
appropriate choice is to select the Low Current option (with gold-plated contacts). If the gold plating is damaged
by excessive load, the contacts will still behave as standard silver contacts.
Figure 2: Relay Contact Selection for DC Loads
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3500/33 16-Channel Relay Module
Datasheet 162301 Rev. V
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1631 Bently Parkway South, Minden, Nevada USA 89423
Phone: 1.775.782.3611 or 1.800.227.5514 (US only)
Bently.com
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