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Connectivity A remote station cannot be reached by network cable. How do we add Wi-Fi or 4G/5G to an industrial computer reliably? Whether wireless connectivity on an industrial machine is stable depends mostly on the antenna and installation, rarely on the module.
Module slots: check for … Connectivity How many LAN ports should an industrial computer have? Does it matter whether the network chip is Intel or Realtek? Count LAN ports by the number of networks you need to separate, not by the number of devices.
Most projects need at least two: one for the control network (PLC… Connectivity The machine's COM port supports RS-232/422/485, but our RS-485 device is not detected. Where do we change the setting? A multi-standard COM port runs one mode at a time, and the default is usually RS-232. Switch it to RS-485 in the place the vendor specifies.
1. Mode setting: d… Connectivity Industrial cameras come in USB3 and GigE versions. Which should we choose, and what ports does the computer need? Choose by the distance from camera to computer and the number of cameras.
USB3 Vision: about 5 Gbit/s of bandwidth, low latency, power over the cable. The limi… Connectivity Our machine has PoE ports to power cameras. How do we know there is enough power for 4 cameras, and how do 802.3af, at and bt diff… The three PoE standards differ in power per port (measured at the source / at the powered device):
802.3af: 15.4 W / about 12.95 W. Enough for most small indus… Connectivity We need to read CAN bus data from vehicles and machinery. How do we choose a CAN port on an industrial PC, and what matters in wir… First identify the standard your equipment uses:
CAN 2.0A/B (classic CAN): up to 1 Mbit/s, widely used in machinery and vehicles.
CAN FD: a faster data phase (… Connectivity What is isolated DIO? When do we need isolated DI/DO rather than standard DI/DO on a computer? DIO (digital input/output) ports read push buttons, sensors and relay contacts, and output on/off signals to lamps, valves and relays. Isolated means the field-… Connectivity We want to read data from a Siemens S7-1200 into an industrial PC for logging and display. Which route should we take? Three common routes; pick by the software you already run:
1. OPC UA. Recent S7-1200 firmware includes an OPC UA server (it must be enabled, and some CPU versi… Connectivity We need four RS-485 ports for PLCs and drives but the machine only has two. What is the reliable way to add them? Three options, ordered by reliability on a plant floor:
1. An internal expansion card (PCIe, mPCIe, or the machine line's own I/O module). Most stable, drivers…