Description
Key Technical Specifications
| Parameter | Specification |
| Manufacturer | Vibro-Meter (Meggitt / Parker Hannifin) |
| Model / Part Number | IOCT16T / 200-565-000-013 |
| System Compatibility | VM600 Machinery Protection System (19-inch rack format) |
| Input Channels | 16 Optically Isolated Discrete Inputs |
| Output Channels | 16 Configurable Open-Collector / Relay Output Drivers |
| Operating Voltage | 24 V DC nominal (18 V DC to 32 V DC range) |
| Power Dissipation | < 10 W (Typical backplane consumption) |
| Galvanic Isolation | 500 V RMS channel-to-backplane optical isolation |
| Operating Temperature | −40°C to +70°C (−40°F to +158°F) |
| Storage Temperature | −40°C to +85°C (−40°F to +185°F) |
| Relay Contact Rating | 250 V AC / 30 V DC at 2 A maximum per contact |
| Signal Processing Speed | < 2 ms discrete response time for trip logic |
Product Introduction & Supply Chain Strategy
The Vibro-Meter IOCT16T (P/N: 200-565-000-013) is a heavy-duty, high-speed 16-channel discrete input/output processing module engineered for the VM600 machinery protection and condition monitoring platform. Installed in the rear slot of a VM600 rack, the IOCT16T communicates directly with processing cards (such as the MPC4 or AMC13) to interface trip commands, emergency shutdown signals, and state feedback between critical turbomachinery—including steam turbines, gas turbines, and large centrifugal compressors—and plant safety instrumented systems (SIS).
Holding genuine New Surplus inventory of the Vibro-Meter IOCT16T is a necessary supply-chain strategy for power generation, petrochemical, and refining facilities operating legacy VM600 monitoring racks. Because discrete trip and interlock channels carry direct responsibility for automated emergency shutdowns, a degraded or failed I/O module can trigger spurious plant trips or compromise machinery safety interlocks. Securing New Surplus units eliminates the hidden silicon degradation, contact pitting, and dried electrolytic capacitors associated with refurbished parts. Storing 1–2 verified spare cards on-site drastically reduces Total Cost of Ownership (TCO) by facilitating immediate mean-time-to-repair (MTTR) swap-outs.
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Verify Lock-Out/Tag-Out (LOTO) isolation on connected trip loops and the target VM600 rack power supplies.
- Put on a grounded ESD wrist strap connected to cabinet earth ground before handling the module.
- Document board-level DIP switch settings, jumper positions, and slot address assignment on the old card.
Stage 2: Removal
- Unfasten top and bottom front-panel retention screws on the VM600 chassis rear slot.
- Disengage ejection levers to unseat the card edge from the VME-style backplane.
- Slide the card straight out along the chassis guide rails. Immediately insert the pulled card into a static-shielded ESD bag.
Stage 3: Installation (Clone & Seat)
- Remove the New Surplus IOCT16T from its protective packaging and inspect the edge contacts for cleanliness.
- Replicate all jumper and address DIP switch configurations from the original module onto the replacement unit.
- Carefully align the module in the chassis card guides and push firmly until the backplane connector fully seats. Torque retention screws to 0.5 N·m (4.4 in-lbs).
Stage 4: Power-On & Testing
- Re-apply power to the rack.
- Verify front-panel LEDs: Check that power is solid green and fault indicators remain off.
- Perform channel point-to-point loop testing using MPS software to verify signal acquisition and relay state switching prior to starting process machinery.

IOCT16T

IOCT16T
Firmware/Software Versions & Upgrade Notes
- Recommended Baseline: Compatible with standard Vibro-Meter MPS software suites ( MPS software V2.x / V3.x or System 1 integration).
- Backplane Compatibility: The IOCT16T (200-565-000-013) requires compatible rear-panel backplane routing matching the primary processing modules (e.g., MPC4 or IOC4T pairs). Mixing hardware revision levels on redundant channels can cause channel disagreement alarms in the rack CPU.
- Firmware Swap Risks: Physical replacement of the card does not alter CPU logic scripts. However, altering firmware versions on adjacent processing cards during a hardware swap can disrupt channel mapping tables; always back up system configuration files before performing maintenance.
Frequently Asked Questions (FAQ)
Q: How can I confirm that this card is authentic “New Surplus”?
Every unit we supply comes directly from excess OEM stocks, canceled capital projects, or verified plant reserve inventories. Cards are stored in original anti-static bags, showing zero pin-wear, pristine solder joints, and verifiable serial numbers that match factory shipping records.
Q: Why is New Surplus a safer procurement option than refurbished cards?
Refurbished cards harvested from decommissioned machinery carry thermal wear, aged optical isolators, and latent relay failure risks. Sourcing genuine New Surplus provides 100% factory-level operational lifespan at a significant discount compared to OEM list prices, protecting your plant against multi-thousand-dollar trip incidents.
Q: Is the Vibro-Meter hot-swappable in a running rack?
Hot-swapping is strictly dependent on the specific channel configuration and safety interlocks programmed into your system. Extracting an active card without bypassing active trip outputs can initiate an unwanted emergency shutdown (ESD). Always bypass active machinery protection outputs before removing the module.
Q: Does the module store configuration programming on onboard memory?
No, the acts as an interface card. Configuration parameters, channel scaling, and logic matrices are stored in the primary rack controller (such as the MPC4 or CPUM module) and pushed to the I/O interface upon system boot. Hardware DIP switches on the must be manually set to match the target slot address.
Q: What warranty coverage comes with this Vibro-Meter module?
We back all New Surplus Vibro-Meter units with a comprehensive 1-Year / 12-Month replacement warranty. If any functional or backplane communication issue arises under standard operating conditions during the warranty window, we dispatch an immediate advance replacement from our stocked inventory.

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