PLC / DevicesPLC / DevicesConnect a plant or device to Voke over MQTT using the Voke PLC protocol.OverviewQuick startAuth methodsmTLS onboardingJWT onboardingPassword onboardingTopicsSnapshot envelopeSub-device contractCommands (receipt)Alarms (upstream)HMAC signingErrors and RetriesError envelopes, per-surface error codes, retry strategy, idempotency, and observability for ESM partners.OverviewHow PLCs connect to Voke — transport, topics, auth listeners, and the template-driven decode model.