PLC profiles

PLC profiles select one embedded device-range catalog. They are useful when you build UI validation, address pickers, or model-specific checks before talking to the PLC. The library accepts only the exact canonical strings in this table. Models not represented below, including KV-700 and KV-1000, do not currently have a canonical profile. Use crate-root plc_profile_descriptors() to enumerate canonical names, display labels, connection eligibility, and XYM base profiles for a UI. Store the canonical profile string, not the display name.

Verified hardware available for focused validation is maintained once in the shared KEYENCE KV Host Link profile catalog.

Device families and ranges

Device-family notation, type suffixes, XYM aliases, and static range tables are shared across the KV Host Link libraries. Use the common KV Host Link Device Ranges page for those details.

The table below identifies the canonical profile names, intended hardware, and address notation. Device ranges remain in the shared reference above.

Supported PLC profiles

Canonical profile	Display name	Intended hardware	Address notation
keyence:kv-nano	KEYENCE KV-NANO	KV-N24nn, KV-N40nn, KV-N60nn, KV-NC32T	Native KV notation.
keyence:kv-nano-xym	KEYENCE KV-NANO (XYM)	Same KV-NANO family	XYM aliases over keyence:kv-nano.
keyence:kv-3000	KEYENCE KV-3000	KV-3000	Native KV notation.
keyence:kv-3000-xym	KEYENCE KV-3000 (XYM)	Same KV-3000 family	XYM aliases over keyence:kv-3000.
keyence:kv-5000	KEYENCE KV-5000	KV-5000, KV-5500	Native KV notation.
keyence:kv-5000-xym	KEYENCE KV-5000 (XYM)	Same KV-5000 family	XYM aliases over keyence:kv-5000.
keyence:kv-7000	KEYENCE KV-7000	KV-7000, KV-7300, KV-7500	Native KV notation.
keyence:kv-7000-xym	KEYENCE KV-7000 (XYM)	Same KV-7000 family	XYM aliases over keyence:kv-7000.
keyence:kv-8000	KEYENCE KV-8000	KV-8000, KV-8000A	Native KV notation.
keyence:kv-8000-xym	KEYENCE KV-8000 (XYM)	Same KV-8000 family	XYM aliases over keyence:kv-8000.
keyence:kv-x500	KEYENCE KV-X500	KV-X310, KV-X500, KV-X520, KV-X530, KV-X550	Native KV notation.
keyence:kv-x500-xym	KEYENCE KV-X500 (XYM)	Same KV-X500 family	XYM aliases over keyence:kv-x500.

How to select

use plc_comm_kv_hostlink::device_range_catalog_for_plc_profile;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let catalog = device_range_catalog_for_plc_profile("keyence:kv-7000")?;
    println!("{}", catalog.plc_profile);
    Ok(())
}

Connection setup is separate from catalog selection:

use plc_comm_kv_hostlink::{HostLinkClient, HostLinkConnectionOptions, HostLinkTransportMode};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let options = HostLinkConnectionOptions::new(
        "192.168.250.100",
        8501,
        HostLinkTransportMode::Tcp,
        "keyence:kv-8000",
    )?;
    let client = HostLinkClient::connect(options).await?;

    let dm0 = client.read_typed("DM0", "U").await?;
    println!("{:?}", dm0);

    client.close().await?;
    Ok(())
}

Model-specific cautions

Scope	Caution
KV-NANO	EM, FM, ZF, and AT are unsupported in the embedded catalog.
KV-3000	AT is readable, but write helpers reject AT because it is not in the Host Link write-device table.
KV-5000	AT is readable, but write helpers reject AT because it is not in the Host Link write-device table.
KV-7000	Timer/counter preset writes are supported by the KV-7000/8000 class only; use care when changing preset values.
KV-8000	Timer/counter preset writes are supported by the KV-7000/8000 class only; use care when changing preset values.
KV-X500	VM, VB, CTH, CTC, and AT are unsupported in the embedded catalog.
Any -xym profile	X and Y use decimal bank digits plus one hexadecimal bit digit, such as X10F.