Brand: Siemens

16137-153 – Siemens ModuleBus Cable B-Side (4 M) for APACS+/QUADLOG

Name: Siemens 16137-153 ModuleBus Cable | Seven Star LLC
Brand: Siemens

Description

Overview

The Siemens 16137-153 ModuleBus Cable B-Side, with a length of 4 meters, is a genuine Siemens interconnect cable designed for APACS+ and QUADLOG distributed control systems. It is a critical component for enabling seamless communication across ModuleBus within legacy automation racks.

The cable carries the ModuleBus signals that link the controllers and I/O of the safety and process control systems, and it is identified by the part number 16137-153.

Engineering & Design

The cable is specifically engineered for Siemens APACS+ and QUADLOG ModuleBus interconnections, with the connector arrangement and wiring of the B-side configuration. The 4 meter length covers the typical distance between modules and racks in legacy cabinets.

The product line has been discontinued, and the cable is supported as a spare part, so units are supplied as pre-owned or surplus items that function as intended and are sold as-is, which is typical for legacy parts.

Key Features

Genuine Siemens interconnect cable
ModuleBus B-side configuration
4 meters length
For APACS+ and QUADLOG systems
Critical for ModuleBus communication
For legacy automation racks
Identified by part number 16137-153
Pre-owned or surplus supply

Applications

APACS+ ModuleBus interconnections
QUADLOG safety system racks
Legacy DCS maintenance
Spare part replacement
Rack to rack communication

Specifications

Specification	Value
Manufacturer	Siemens
Part Number	16137-153
Type	ModuleBus cable, B-side
Length	4 meters
System	APACS+, QUADLOG
Lifecycle	Discontinued, supported as spare
Condition	Pre-owned or surplus, as-is

For legacy DCS maintenance, the Siemens 16137-153 ModuleBus cable is the required spare, and Seven Star LLC supplies the Siemens 16137-153 ModuleBus cable with verification for your rack configuration.

The 4 m cable length covers the B-side connection of the ModuleBus between the controller and the I/O section of the APACS+ or QUADLOG system.

The Siemens 16137-153 ModuleBus cable connects the S7-300 modules to the backplane of the rail and transfers the data and the power between the CPU and the signal modules. The cable is installed between the modules and the bus connector of the rail. The correct cable length is ordered for the station configuration, and the spare cable is kept for the maintenance of the S7-300 system.

The cable is marked with the Siemens part number 16137-153 and is supplied in the standard length for the module rack. The installation requires the bus connector on both ends and the locking of the connector ears. The spare cable is replaced without removing the modules of the station.

The ModuleBus cable 16137-153 is used for the S7-300 stations and the bus connector is included for the rail installation. The cable is cut to the module spacing of the rack and the connector ears are locked after the insertion. The spare cable is stored with the other S7-300 spares and the replacement is performed with the power off. The identical part number is used across the S7-300 CPU families.

The ModuleBus cable is part of the S7-300 spare set along with the bus connector and the rail. The cable length is matched to the distance between the CPU and the last module of the rack. The installation tool is not required and the connector is locked by hand. The spare cable is identified with the Siemens order number on the packaging.

Why Seven Star LLC

Seven Star LLC supplies the Siemens 16137-153 ModuleBus cable for APACS+ and QUADLOG systems across the Gulf, with verified part identification and technical support. Our team assists with cable verification and spare planning for legacy DCS racks.

We support maintenance teams keeping legacy automation systems online with reliable B2B supply of control system spares throughout the GCC.

Installation & Operation

The cable connects the B-side ModuleBus ports between the modules and racks of the APACS+ or QUADLOG system, and the 4 meter length covers the typical cabinet distances. The connectors are verified against the system configuration.

Because the product line is discontinued, the cable is supplied as a pre-owned or surplus unit, and the condition is verified so that ModuleBus communication is maintained in the aging system.

Confirming the Right ModuleBus Cable

ModuleBus cables for APACS+ and QUADLOG come in different sides and lengths, so check three things before ordering: the part number, the side and the length. The part number 16137-153 is normally printed on a label or sleeve near one of the connectors. It identifies the B-side cable in the 4 metre length. A redundant ModuleBus uses separate A-side and B-side paths, and a B-side cable should be replaced with a B-side cable so the redundancy scheme stays as designed. If the label is missing, the rack documentation or the cable schedule for the cabinet will show which part was originally installed.

Installation Guidance

Plan the exchange with operations. In a redundant arrangement the A-side can keep the system running while the B-side cable is replaced, but confirm the system status first and follow your site procedure.
Route the new cable along the same path as the old one, away from power wiring, and avoid tight bends or pinch points at cabinet doors and rack edges.
Seat each connector fully and secure any locking screws or latches, then add strain relief so the cable weight does not hang on the connector.
After installation, check the controller diagnostics to confirm that the B-side path is healthy and that redundancy has been restored.

Troubleshooting ModuleBus Faults

When diagnostics report a ModuleBus problem on one side only, the cable is a common cause, along with connector contamination, bent pins or a loose connection after cabinet work. Swapping in a known-good Siemens 16137-153 ModuleBus cable is a quick way to separate a cable fault from a module fault. Because this is legacy hardware, inspect the replacement visually before fitting it: check the jacket for cracks, the connector shells for damage and the pins for corrosion.

Supporting Legacy Systems in Oman and the GCC

APACS+ and QUADLOG systems remain in service at a number of process and utility sites in the region, often with migration planned but not yet scheduled. Until then, a small stock of critical interconnect cables and I/O spares reduces the risk that a simple cable failure turns into a long outage.

Sourcing Through Seven Star LLC

Seven Star LLC locates legacy automation spares for customers across Oman and the GCC. For discontinued items like this cable we state the condition clearly, whether surplus or pre-owned, and check the part number against your requirement. We can also look for other APACS+ and QUADLOG spares on the same enquiry.

Request a Quote for 16137-153 – Siemens ModuleBus Cable B-Side (4 M) for APACS+/QUADLOG

For the Siemens 16137-153 ModuleBus cable or any related control and instrumentation requirement, contact the Seven Star LLC team. Submit a formal inquiry through our RFQ page with your module, I/O and system configuration, and our specialists will respond with a detailed commercial proposal and the official Siemens documentation.

Other Models in the Siemens APACS+ / QUADLOG Components Range

Seven Star LLC supplies models from the Siemens APACS+ / QUADLOG Components range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.

Model	Category
Siemens Moore APACS P/N: 16137-175	Automation Accessories	View details
16137-151 – Siemens APACS+/QUADLOG M-BUS Side A Cable (4 M)	Controllers & Data Acquisition	View details
16137-222 – Siemens APACS+/QUADLOG M-BUS A Side Cable (2.5 M)	Controllers & Data Acquisition	View details
16137-223 – Siemens APACS+/QUADLOG M-BUS B Side Cable (2.5 M)	Controllers & Data Acquisition	View details
16137-153 – Siemens ModuleBus Cable B-Side (4 M) for APACS+/QUADLOG	Controllers & Data Acquisition	You are viewing this model
16137-224 – Siemens APACS+/QUADLOG I/O BUS A Side Cable (2.5 M)	Controllers & Data Acquisition	View details
16137-225 – Siemens APACS+/QUADLOG I/O BUS B Cable (2.5 M)	Automation Accessories	View details
Siemens APACS ModulNET Interface PC Card (P/N 16413-15, old PN 16267-1)	Industrial Communications	View details
16413-1-1 / 16413-1-5 – Siemens APACS MBI/NMI PCI Card	Industrial Communications	View details

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About brand

Most Siemens automation parts are bought by article number, the string beginning 6ES7, 6AV2 or 6GK5 printed on every module. Founded in 1847 and headquartered in Munich, Siemens builds the SIMATIC controllers, SCALANCE networks and SINAMICS drives that plant engineers meet on almost every site.

Seven Star LLC, an independent supplier, lists Siemens PLC and I/O modules, HMI panels, industrial Ethernet switches, drives, protection relays, temperature transmitters and gas analyzer spare parts for projects in Oman and the GCC.

Siemens product families on this page

Controller hardware covers the SIMATIC S7-1200 (CPU 1214C with SM 1223 signal modules) and the S7-1500 (CPU 1515-2 PN), with ET 200SP and ET 200M distributed I/O and their IM 155-6 and IM 153-2 interface modules. Operator panels include the KTP700 Basic and TP700 Comfort. SCALANCE XC208 managed switches handle industrial Ethernet. Drives are represented by the SINAMICS G120C compact inverter and the G120X for pumps and fans. From the power side come the SIPROTEC 7SJ85 feeder protection relay and SIVACON S8 switchboards, and from process instrumentation the SITRANS TH320 head-mounted temperature transmitter.

Where Siemens equipment is used

SIMATIC controllers and ET 200 I/O run packaged units, skids and whole process lines in water treatment, oil and gas, cement, food and manufacturing plants. SINAMICS drives control pumps, fans and conveyors, SCALANCE switches form the control network, and SIPROTEC relays protect medium voltage feeders and motors.

Ordering Siemens parts: what we need

Send the complete article number, the functional status or version printed on the module and, for CPUs, the firmware version your project was written for. For drives add power, supply voltage, filter option and fieldbus version. For SIPROTEC relays the long order number or product code is required, because it fixes the hardware and function package. A nameplate photo answers most of these points at once.