Map all sixteen channels
Record rear terminals, field functions and unused outputs before any wiring is moved.
Bently Nevada 3500/33 is a 16-channel relay module with independently programmable Alarm Drive Logic for supported 3500 rack applications.
Item NO.:
3500/33Order(MOQ):
1Goods Stock:
32Payment:
T/TLead Time:
In stockWeight:
0.75KGDimension:
2.6x25.2x24.1cmDescription:
RELAY CONTROL MODULEPrice:
AskSend the complete nameplate, installed-system context, quantity and destination. We support new original, discontinued and difficult-to-source industrial parts.
Exact-model decision context
Sixteen outputs let one rack distribute alarm actions across annunciation and control circuits, but that density raises the cost of a wiring or logic mistake. 3500/33 provides independently programmable relay channels for supported 3500 systems.
Relay outputs are arranged in groups of four for the normal energized or de-energized selection. Before replacement, preserve the rack configuration and map every rear terminal to its field function rather than assuming channel order tells the full story.
Commissioning should prove the initiating event, programmed logic, contact transition and field response for each used channel. When low-current loads are involved, review the official contact guidance and the actual interface circuit.
Checks that move the order forward
Record rear terminals, field functions and unused outputs before any wiring is moved.
Document the normally energized or de-energized selection for each group of four relays.
Test the event, logic, contact transition and field response under controlled conditions.

Official configuration plus supply terms
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Product family | 3500 machinery protection system |
| Module | 16-channel relay module |
| Relay outputs | 16 independently programmable SPDT relay outputs |
| Logic | Alarm Drive Logic configurable for each relay channel |
| Energization selection | Normally energized or de-energized in groups of four relays |
| Main control module spare | 149986-01 |
| Typical power consumption | 5.8 W |
| Place of shipment | Xiamen, China |
| Delivery Time | 1-3 days |
| Quantity | 100% New Original |
| Minimum Order Quantity | 1pc |
Two model-relevant engineering themes
Translate verified rack events into field actions through independently programmed channels and documented group energization.
Back up Alarm Drive Logic and maintain an approved terminal-to-function map so the replacement can be tested channel by channel.
Stop and release boundary
Do not return shutdown or annunciation circuits to service until the rear output module, wiring map, group energization and Alarm Drive Logic have been verified under controlled test conditions.
Supported task and system role
Provides high-density programmable relay outputs for supported 3500 rack annunciation, permissive and shutdown interfaces where an approved channel map and commissioning process are available.
Buyer, installer and engineer situations
Record the installed rear relay output module, terminal configuration and field wiring together with the front-module label. Quote the assembly context, not the front card alone.
Save the approved rack configuration and export or record each relay channel's logic. Compare the restored file with the operating cause-and-effect documentation.
Relays are selected as normally energized or de-energized in groups of four. The wrong group state can invert expected field behavior, so verify it before reconnecting loads.
Review the official relay contact guidance, actual load and interposing-device design, then test the complete circuit under controlled conditions.
Review the rack event history and Alarm Drive Logic first, then inspect module seating, rear terminals, field wiring and the controlled device. Preserve evidence before resetting the circuit.
Provide the front and rear module labels, rack and slot, configuration or cause-and-effect context, terminal photographs, quantity and destination.
ApterPLC supply capability
New original supply: Quality-focused sourcing and exact-model review support confident purchase decisions.
Current, discontinued and scarce products: Our supply network covers routine needs and difficult-to-source automation parts.
Responsive after-sales service: We support delivery coordination, receipt questions and post-purchase technical communication.
Search variants for discovery only
Search note: Common spelling, spacing, separator and character-confusion variants are listed for discovery only. Use the exact Product Model above for quotation and ordering.
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