Description
Unboxing & Hardware Overview
- Manufacturer & Architecture: Emerson / Westinghouse (Ovation Distributed Control System)
- Part Number: 1C31113G02
- Product Type: 8-Channel Low-Level Voltage Analog Input Electronics Module
- Physical Dimensions: 163 mm x 38 mm x 58 mm (6.42 in x 1.50 in x 2.28 in)
- Estimated Shipping Weight: 0.88 lbs (0.4 kg) including multi-layer anti-static ESD shielding and protective structural packaging
- Primary Condition Status: New Surplus / Factory Sealed / Refurbished Tested options available (verify specific lot status with provider prior to dispatch)
Product Introduction
The Emerson / Westinghouse 1C31113G02 is an 8-channel analog input module engineered specifically for precise low-level voltage signal acquisition (\pm 50 mV) within Ovation distributed control system node racks. The unit acquires delicate millivolt-level signals from specialized plant sensors, converts them via onboard 14-bit A/D conversion circuitry, and streams digital process values directly to the system backplane bus.
During system maintenance or hardware retrofits, instrument technicians slide the printed circuit assembly smoothly into designated sub-rack card guides, engaging the rear edge connectors with the backplane bus. Passive thermal convection cools the unit through the slotted front aluminum faceplate. Maintaining adequate vertical clearance above and below the card cage remains essential to prevent localized heat accumulation during continuous plant operation.
Core Technical Specifications
| Parameter | Value |
| Input Channels | 8 differential low-level voltage channels |
| Input Signal Range | \pm 50 mV DC |
| A/D Conversion Resolution | 14-bit conversion architecture |
| Operating Voltage | 24 VDC system backplane powered |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% non-condensing |
| Vibration / Shock Resistance | 2 g (10 to 500 Hz) / 30 g operational shock |
Compliance & Standards Alignment
When integrating legacy or current-generation Ovation hardware into continuous industrial processes, adherence to international electrical and safety frameworks is required.
- Designed to meet applicable CE Mark directives for electromagnetic compatibility (EMC) and low-voltage electrical safety.
- Constructed to support UL/cUL listed industrial control equipment requirements when installed within properly grounded NEMA/IP-rated control cabinets.
- Internal circuit isolation barriers limit field transient propagation, protecting the main controller backplane from high-voltage loop impulses.
Technical Note: Verify specific revision levels, firmware compatibility, and hardware release tags against your existing Ovation controller drop configuration prior to live loop insertion.
Storage & Asset Preservation Guidelines
Industrial control modules kept as warehouse spares require careful environmental control to prevent component degradation:
- Keep the module hermetically sealed inside its original metallized anti-static (ESD) shielding bag to protect sensitive CMOS integrated circuits from atmospheric moisture and airborne sulfur pollutants.
- Store units in an environment with a relative humidity strictly below 60% to prevent micro-oxidation on gold-plated backplane edge fingers.
- For modules stored beyond a 3-year window, instrument technicians should verify electrolytic capacitor condition on a controlled test bench before applying power in a live loop.
Physical Installation Prerequisites
- Ensure the target Ovation sub-rack slot is powered down and locked out (LOTO) before module insertion to avoid backplane pin arc damage.
- Secure the top and bottom mechanical locking levers firmly to guarantee low-impedance ground bonding between the faceplate and the chassis rail.
- Verify correct field loop wire termination on the corresponding interposing base unit matching the 1C31113G02 channel pinout map.
Buyer’s FAQ & Logistics
Q: What Harmonized System (HS) code applies to the international shipment of this input module?
A: Industrial electronic control modules typically classify under HS code 8538.90 (parts suitable for use solely or principally with control apparatus). Confirm final classification details with your licensed customs broker.
Q: Does the unit ship with pre-loaded configuration firmware?
A: Modules are typically supplied with standard factory base images; control engineers must verify and flash the exact software version required by the site configuration baseline during setup.
Q: Is the listed online price final for procurement?
A: Note: Price is subject to market conditions and stock availability; contact our technical sales desk for a formal, time-sensitive quotation.
