S9400UK Yokogawa CENTUM VP Datasheet & Technical Manual
Manufacturer: Yokogawa
-
Part Number: S9400UK
Condition：New with Original Package
Product Type: DCS System Batteries
-
Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa S9400UK DCS System Battery
The Yokogawa S9400UK, also cataloged as the S9400UK Battery Pack, operates as a dedicated hardware component for backup power memory preservation within CENTUM VP / CS 3000 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | S9400UK |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.6 kg |
| Dimensions | 102 mm x 79 mm x 54 mm |
| Operating Temp | -10 to +55 deg C |
| Power Consumption | 3000 mAh capacity nominal |
| Chemistry | Nickel-Metal Hydride (Ni-MH) / HHR-30HF5G1 internal cells |
| Terminal Voltage | 6 VDC |
| Primary Application | DCS system processor back-up power execution |
| Storage Temperature | -20 to +70 deg C |
| Humidity Resistance | 10% to 90% RH, non-condensing |
Channel-to-Channel Isolation and DCS Integration Matrix
The S9400UK interfaces directly with the main computing circuit of the CENTUM processing unit to sustain the volatile RAM allocation when the master power distribution block undergoes an outage. The physical cell layout uses a rugged structural frame to protect against mechanical deformation while maintaining specific channel-to-channel isolation metrics from adjacent backplane logic components. This prevents localized power leakage from impacting the 4-20 mA HART loop protocol processing blocks or breaking internal data registers during cold junction compensation cycles. The discharge execution path is engineered to sustain the real-time processor clock configuration without degrading volatile memory structures over long-term storage periods.
Frequently Asked Questions
Q: What are the explicit electrical and technical constraints regarding hot-swapping the S9400UK battery component during active DCS execution?
A: The battery module can be replaced while the primary 24 VDC power supply to the processor remains active. The technician must complete the physical exchange within the specified internal capacitor hold-up timeframe to prevent volatile RAM cleared states or system diagnostic faults.
Q: How does the module prevent cell leakage from impacting adjacent DCS processor components during thermal fluctuations?
A: The outer enclosure uses chemically resistant materials designed to contain physical cell venting. This shielding boundary safeguards neighboring multi-channel I/O cards and prevents voltage tracking across the internal backplane bus traces under standard operational conditions.
Field Installation Guidelines
- Chassis Orientation and Alignment: Secure the battery block within the designated processor retention frame inside the CENTUM enclosure. Verify the polarized locking connectors are locked to prevent connection loss from vibrations up to 100 Hz.
- Ambient Thermal Separation: Position the battery assembly away from high-temperature elements, such as core power supply modules or linear regulators, to prevent early cell degradation. Maximize convection space to stay below the +55 deg C operating limit.
- Wiring Path and Induced Noise Isolation: Keep the direct power supply lines from the battery pack isolated from switching AC power cables or high-voltage motor control runs by a minimum of 300 mm to suppress transient inductive noise coupling.
- Shield Terminal and Ground Integrity: Check that the structural mounting frame grounds cleanly to the cabinet master copper bus bar, establishing low-resistance electrical contact to prevent common-mode voltage problems.