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Safety measures for PLC control system design, preventing accidents and ensuring operational integrity.
Details on product model, nameplate information, and its components for identification.
Categorization of the digital output module and its applicability to specific PLC series.
Specifications for the physical dimensions and mounting requirements of the module.
Step-by-step guide for preparing cables and connecting them to the module terminals.
Terms and conditions of the Inovance warranty for the digital output module.
This document provides a comprehensive guide for the GL10-0032ETN Digital Output Module, an expansion module designed and manufactured by Inovance. It offers detailed information on the module's functions, usage, and safety precautions, ensuring proper and safe operation.
The GL10-0032ETN module is specifically designed to provide NPN outputs and is intended for use with AM600CPU, GL10-RTU-ECT, GL10-RTU-COP, GL10-RTU-DP, and H3U modules to expand digital output ports. This allows for increased flexibility and scalability in control systems by extending the number of available digital output channels. The module supports 32-channel digital output and utilizes a 40-pin high-density terminal for user connections, facilitating extensive control capabilities.
The GL10-0032ETN module serves as a digital output expansion unit, enabling control systems to manage a greater number of output devices. It features signal indicators that correspond to various output signals, with "ON" indicating an active output and "OFF" indicating an inactive output. This visual feedback is crucial for monitoring the status of the outputs at a glance.
The module incorporates a local expansion module back-end interface for connecting to other back-end modules, though it does not support hot plugging. Similarly, a local expansion module front-end interface allows connection to front-end modules, also without hot plugging. User input terminals are organized into four groups, each with eight channels, providing a structured approach to input management.
The internal circuitry of the module is designed with opto-coupler isolation, which provides electrical separation between the control side and the output side. This isolation enhances safety and protects the control system from potential electrical disturbances originating from the output devices. The output action display is activated when the opto-coupler driving is applied, further confirming the operational status. The module also features a short-circuit-proof output, adding a layer of protection against overcurrent conditions.
Power for the output groups is supplied via dedicated terminals: +24V_0 and COMO supply 24V power for the first output group, while +24V_1 and COM1 supply 24V power for the second output group. This segregated power supply ensures stable operation for each output group.
The GL10-0032ETN module is designed for indoor electrical environments (overvoltage category II) and requires a system-level lightning protection device for its power supply to prevent damage from lightning shocks. It is an open-type equipment that must be installed in a control cabinet with a lock, ensuring a protection level greater than IP20. Access to the cabinet should be restricted to personnel with the necessary electrical training and knowledge.
For wiring, it is crucial to disconnect all external power supplies of the system before module assembly, disassembly, or wiring to prevent electric shock, module fault, or malfunction. Metal filings and wire ends must be prevented from dropping into the ventilation holes of the PLC during installation and wiring to avoid fire, fault, or malfunction. The module should be securely connected to its respective connector and firmly hooked to prevent malfunction, fault, or fall-off.
Cable preparation involves stripping the wire outer coating by 6 mm, passing the cable through a tube of proper wire size, inserting the exposed end into the cable lug, and crimping it with a recommended crimping tool. The cable lug is then placed onto the terminal, and the screw is tightened with a screwdriver, with a maximum tightening torque of 0.45 N.m. This meticulous process ensures reliable and secure connections.
It is important not to bundle terminal connection cables with power cables (high voltage, large current) that produce strong interference signals. These cables should be separated from other cables and parallel cabling should be avoided to minimize noise. In scenarios with serious interference, shielded cables should be used for high-frequency signals to enhance resistance to interference.
Maintenance and inspection of the GL10-0032ETN module must be performed by personnel with the necessary electrical training and experience. It is critical not to touch the terminals while the power is on to prevent electric shock or malfunction. Before cleaning the module, re-tightening screws on the terminal block, or removing/connecting communication wirings, all external power supplies of the system must be disconnected.
For safety during online modification, forcible output, and RUN/STOP operation, users should familiarize themselves with the guide and ensure safety protocols are followed. The power supply must be disconnected before installing or removing any extension cards.
In the event of disposal, the scrapped module should be treated as industrial waste, and the battery should be disposed of according to local laws and regulations.
The module is designed to be robust, but external protection circuits are essential. An emergency stop circuit, a protection circuit, a forward/reverse operation interlocked circuit, and upper/lower position limit interlocked circuits must be set in the external circuits of the PLC to prevent machine damage. For output signals that could cause critical accidents, external protection circuits and safety mechanisms should be designed. If the PLC CPU detects an abnormality, all outputs may be closed. However, if a fault occurs in the controller circuit, the output may not be under control, necessitating an appropriate external control circuit for normal operation. If the PLC's output units (relays or transistors) are damaged, the output may fail to switch between ON and OFF states as commanded.
A safety circuit outside the PLC should be provided to ensure the control system can still operate safely even if an external power failure or PLC fault occurs. Additionally, a fuse or circuit breaker should be added to prevent the module from smoking or catching fire due to long-time overcurrent caused by operation above rated current or load short-circuit.
The module comes with an 18-month free warranty from the date of manufacturing for failures or damages under normal use conditions. However, maintenance will be charged for damages resulting from improper use, unauthorized repair/modification, natural disasters, abnormal voltage, hardware damage from dropping or transportation, operations not following user instructions, or damage from external device factors. The maintenance fee is determined by Inovance's latest Maintenance Price List. For service issues, users should contact Inovance's agent or Inovance directly. Inovance reserves the right to final explanation of the warranty agreement.
General| Product Type | Control Unit |
|---|---|
| Series | GL10 |
| Model | GL10-0032ETN |
| Points | 32 |
| Input Voltage | 24V DC |
| Digital Inputs | 16 |
| Digital Outputs | 16 |
| Program Memory | 64KB |
| Storage Temperature | -20°C to 70°C |
| Communication Ports | Ethernet |
| Humidity | 5% to 95% |
