SIGMATEK DCP161 DIAS CPU Module
1. Product Overview
The SIGMATEK DCP161 (Material No. 05‑004‑161) is a compact, cost-effective core arithmetic processor module designed for the SIGMATEK DIAS automation control system. Serving as the standard core control unit for small-to-medium standalone automated production lines, this industrial CPU module executes full equipment control program logic and supports stable, reliable operation for standard machinery automation scenarios.
Notably, the DCP161 features no built-in power supply circuit and requires matching DPS-series power modules for complete system power supply. Built on the mature INTEL386EX processor, it integrates industrial-grade CAN bus, dual-channel serial communication, hardware real-time clock, and battery-backed data cache functions. A single DCP161 controller supports up to 16 sets of DIAS-system I/O expansion modules, delivering flexible modular expansion capabilities.
Fully compatible with LASAL programming software, the module supports offline logic programming, real-time online debugging, and accurate fault diagnosis. With stable computing performance, intuitive hardware status indicators, and superior industrial anti-interference capability, the SIGMATEK DCP161 is widely applied in legacy small automated equipment retrofits, forming machinery, and standalone packaging machine control systems.
2. Core Advantages & Key Features
The SIGMATEK DCP161 industrial CPU module stands out in small-scale automation control with optimized performance, convenient on-site commissioning, and industrial durability, covering core demands of standalone machinery control.
- Ultra-Fast Instruction Execution: Features a minimum 0.094μs single-cycle instruction speed and a typical 0.3μs execution time, achieving zero delay for short-cycle machine control logic to ensure high-response equipment operation.
- Multi-Bus Integrated Communication: Integrated CAN bus supports multi-machine networking; dual serial ports connect HMI, upper computers, and sensor terminals. The RS2 port supports differential communication for stable long-distance wiring transmission.
- Long-Term Offline Data Retention: Equipped with a standard RENATA CR2450N lithium battery, it retains system programs and operation variables for up to 3 years without power supply. Battery replacement must be completed in power-on status to avoid data loss (annual replacement recommended).
- Full-Channel Hardware LED Indicators: Independent LED lights for CPU operation status, bus transmit/receive, CAN parameter configuration, and fault alarms. On-site fault locating is available without professional programming software, greatly improving maintenance efficiency.
- Local Visualized Parameter Configuration: Built-in 2-digit 7-segment display with independent SET & RESET buttons. Users can modify CAN station ID and baud rate directly on the device without a PC, simplifying field commissioning operations.
- Standardized Fault Diagnosis System: 35 built-in fault codes displayed in "Er + Code" format, synchronizable with PG50 LASAL software. It accurately locates program overflow, bus disconnection, memory damage, and watchdog errors.
- Industrial-Grade Robust Design: Compliant with EN industrial EMC anti-interference standards, supporting a wide operating temperature range and shock-resistant structure, adapting to dusty, voltage-fluctuating harsh workshop environments.
Flexible Modular Expansion: Supports up to 16 DIAS I/O expansion modules, freely matching digital input, relay output, and analog acquisition modules to meet diverse on-site signal collection and control demands.
3. Complete Technical Specifications
3.1 Performance Specifications
3.1 Performance Specifications
Powered by the INTEL386EX CPU chip, the SIGMATEK DCP161 delivers fast instruction execution with a typical speed of 0.3μs and a minimum of 0.094μs for ultra-responsive machine control. It features 40kByte Flash-PROM for system program storage, 112kByte SRAM program cache and 124kByte SRAM data storage. The module supports up to 16 DIAS I/O expansion modules with no on-board local I/O channels equipped. It integrates a hardware real-time clock and adopts CR2450N lithium battery for data backup, with hardware revision 1.x and official UL certification (E247993).
3.2 Electrical Specifications
3.2 Electrical Specifications
The DCP161 operates on a rated +5V DC power supply with a typical current consumption of 600mA. It requires DPS-series DIAS power modules for backplane power supply, compatible with three models: DPS001 (basic power supply, no fiber port), DPS211 (1 fiber optic output) and DPS221 (2 fiber optic outputs). The actual backplane I/O current parameters refer to the official DPS module datasheets.
3.3 Communication Interfaces
- CAN Bus: 1× channel, 9-pin D-SUB female socket
- RS1 Port: Fixed RS232 communication, 9-pin D-SUB male plug
- RS2 Port: Supports RS232/RS422/RS485, wired via DKL002 terminal base
3.4 Mechanical & Terminal Base Specifications
3.4 Mechanical & Terminal Base Specifications
This CPU module must be matched with the DKL002 (05-024-002) terminal base, adopting a 3-row 21-pole spring terminal block for convenient wiring. It supports 1~8 mechanical coding positions to prevent installation errors. The overall dimension is 80mm × 98mm × 93mm with an IP20 protection class, suitable for standard industrial cabinet installation scenarios.
3.5 Environmental Specifications
3.5 Environmental Specifications
The DCP161 features reliable industrial environmental adaptability, with a storage temperature range of -20°C to +85°C and a working temperature range of 0°C to +60°C. It operates stably in 0~95% non-condensing humidity environments. Compliant with EN 50082 Part 2 industrial EMC anti-interference standards and EN 60068-2-27 shock resistance standard (150m/s²), it can withstand harsh workshop interference and vibration.
4. Product Functional Features
4.1 Hardware Interaction Features
The DCP161 is equipped with front-panel independent RESET and SET pushbuttons for convenient on-site operation. After reset, CAN bus parameters cycle automatically; short press SET to adjust parameter values, long press SET (2s) to switch parameter items; press RESET to save modified parameters and exit configuration mode.
It adopts partitioned LED indicator groups, including CPU status, bus TX/RX, CAN config, and I/O channel indicators. Each communication channel has an independent light to visualize real-time data transmission status. Standard 9-pin D-SUB communication connectors ensure stable plugging; the DKL002 base integrates a CAN terminal resistor jumper, which can eliminate signal reflection and data packet loss by shorting jumpers at both ends of the CAN bus.
4.2 Program Storage & Operation Features
Adopting a dual-partition storage architecture, Flash-PROM solidifies basic system firmware, while SRAM caches user online-modified application programs. After power-on, the module automatically retrieves and loads programs from external memory and internal SRAM in priority order, supporting two running modes (RUN RAM / RUN ROM) distinguished by dedicated LED indicators.
Built-in hardware watchdog protection automatically triggers fault alarms and hardware protection when program endless loops or interrupt blocking occur, outputting WD DEFECT fault codes. The SYS130 system call manages transceiving routines of two serial ports, with dedicated macros provided to simplify serial communication programming.
4.3 Compatibility Features
Fully compatible with all DIAS digital and analog I/O modules. Unique mechanical coding design prevents mis-insertion, effectively avoiding backplane damage caused by wrong module installation. The DKL002 base reserves dual +24V auxiliary power, CAN A/B differential signal lines, and common ground terminals, requiring no extra adapters for wiring.
5. Application Fields
As an entry-level industrial CPU controller, the SIGMATEK DCP161 is widely used in small and medium standalone automated machinery and legacy equipment renovation scenarios:
- Plastic Molding Equipment: Vertical injection molding machines, mini blow molding machines. Matches temperature acquisition and proportional valve output modules to realize closed-loop temperature and pressure control.
- Standalone Packaging Machinery: Horizontal flow wrappers, mini sealing machines, label slitting machines. CAN bus connects conveying servos, and RS232 links HMI for quick parameter setup.
- Stamping & Hydraulic Machine Tools: Collects limit switch signals and controls cylinder action sequences, maintaining stable operation in strong electromagnetic interference workshop environments.
- Material Conveying & Sorting Equipment: Mini belt conveyors, simple sorting tables. Digital inputs collect photoelectric and proximity switch signals, and outputs control solenoid valves and sorting baffles.
- Woodworking Processing Machinery: Cutting machines, mini sanders. The built-in real-time clock accurately records machine running hours and fault logs.
- Legacy Automation Equipment Retrofit: Replaces outdated industrial mainboards, retains original I/O wiring to complete rapid electrical upgrades, and is compatible with traditional RS232 peripheral devices.
6. Matching Product Models
6.1 Mandatory DPS Power Modules
- DPS001 (05-002-001): Basic DIAS power supply, no fiber optic port
- DPS211 (05-002-211): Power module with 1 fiber optic output
- DPS221 (05-002-221): Power module with 2 fiber optic outputs
6.2 Complete DIAS Series Supporting Models
- Processor Modules: DCP161, DCP640, DCP642, DIP011
- Power Supply Modules: DPS001, DPS211, DPS221
- Terminal Base: DKL002 21-Pole Terminal Base
- I/O Modules: CDI161 16-Channel Digital Input, CTO163 16-Channel Relay Output, CAI042 Load Cell Analog Acquisition
- Auxiliary Accessories: CL090 Power Distribution Module, PL221 LED Pixel Control Module, 01-690-027 CR2450N Backup Lithium Battery
7. DIAS CPU Module Comparison
Compare SIGMATEK DCP161 with other DIAS series controllers for accurate model selection:
- DCP161: Entry-level economical CPU, INTEL386EX architecture, max 16 I/O modules, dual RS232 + single CAN bus. Optimized for standalone small machines, featuring low cost and simple commissioning for basic control scenarios.
- DCP640: Mid-range master controller, dual CAN bus support, expandable motion control modules for multi-axis linkage equipment, with richer hardware resources than DCP161.
- DCP642: High-end main controller, native fiber bus expansion, doubled computing cache capacity, suitable for multi-line production networking and complex multi-equipment linkage control.
- DIP011: Distributed remote slave processor, only used as field station controller, must network with DCP series master modules and cannot operate independently as a full-machine main control unit.
Comparison Summary: DCP161 is the preferred solution for standalone small machine main control with streamlined hardware, low cost and simple debugging. DCP640/DCP642 apply to complex multi-axis and multi-station production lines. DIP011 only serves as a remote slave station and cannot replace DCP161 for independent full-machine logic operation.
8. FAQ
- Q1: DC green LED stays off after power-onA1: The DC LED indicates normal +5V power supply; off status means power failure. Check DPS power module input, DIAS backplane connection and DKL002 base contact, and replace the DPS001 module for retesting if necessary.
- Q2: Display shows Er 08 fault codeA2: Er 08 refers to manual hardware reset trigger, causing controller operation suspension. Confirm no circuit short circuit, re-download the complete program, cut off and restart the main power to clear the error.
- Q3: Program lost after battery replacement with power cutA3: Power-off battery replacement will erase all SRAM-stored programs and variables. Re-upload the full control program via LASAL software; always replace the battery under power-on status in future operations.
- Q4: CAN bus frequent packet loss, TX/RX CAN LED abnormal flickerA4: 1. Short the terminal resistor jumper on DKL002 base at both ends of CAN bus; 2. Unify CAN node baud rate and station ID to avoid duplicate addresses; 3. Shorten wiring length and match standard baud rate distance.
- Q5: Maximum I/O modules supported by DCP161A5: Hardware limit is 16 DIAS I/O/P expansion modules. Exceeding the limit will trigger MAX.IO fault code and new modules will not be recognized.
- Q6: Can RS2 interface run RS485 directly without jumpers?A6: RS2 hardware supports RS485 protocol, but the DKL002 base has unassigned jumpers. An external signal conversion terminal is required, and differential communication cannot be switched directly.
- Q7: Status of RA yellow LED and RO green LEDA7: Steady RA yellow LED = Run programs in internal SRAM; Steady RO green LED = Run programs in external memory module.
- Q8: Er 04 CHKSUM error code troubleshootingA8: Causes include program checksum corruption, memory damage, and low battery data loss. Solutions: Replace backup lithium battery and re-download the control program; replace the DCP161 module if the error persists.
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