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Digi Z1201 Multifunction I/O Module
The Digi Z1201 Multifunction I/O Module extends a Digi Z45 Industrial Controller with eight open-collector outputs and eight multi-mode inputs, each configurable under software control for analog (0-5 VDC), digital or pulse operation. The 12-bit analog inputs measure to 10 mV resolution at a 20 Hz read frequency, digital outputs handle up to 30 V at 350 mA per channel with 7.8 kHz pulse-width modulation, and pulse inputs accept widths down to 3 ms and accumulate counts up to 32,767 between reads. Two-wire RS-485 communication ties multiple Z1201 modules and other field assets back to the Z45 controller in a single daisy chain, with switch-selectable pull-ups and switch-selectable RS-485 termination to keep wiring clean across long runs.
The conformal-coated PCB and 35 mm DIN-rail enclosure suit panel installation in pump stations, tank farms, irrigation cabinets and process automation panels operating from -30 °C to 70 °C and up to 90% non-condensing humidity. Power input accepts 9 to 24 VDC from an external source at around 100 mA idle draw. Configuration runs through the Digi Z45 Automation Control Application, a no-code, web-based platform that builds PLC-like control logic with level thresholds, hysteresis, custom alarms and Modbus / pulse / analog raw-data interfaces, and pushes the resulting solution from the controller to Digi Axess for real-time monitoring, custom alarms, historical reporting and SMS / email notifications. The 16-pin module measures 107 mm by 60 mm by 33 mm and weighs 290 g without power adapter.
CTK-Z1201 Features
- 8 open-collector outputs and 8 multi-mode inputs in a 16-pin format
- Software-configurable analog, digital or pulse operation per input
- Compatible with industry-standard 0-5 VDC, 4-20 mA and 0-10 VDC sensors
- RS-485 2-wire daisy-chain power and communication for multiple I/O modules
- Switch-selectable RS-485 termination and pull-ups
- Conformal-coated PCB and 35 mm DIN rail mount for industrial panels
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Product Type
Manufacturer
Certifications & Standards
Ruggedness
Mounting Format
Country Of Manufacture
United States
Approvals / Certifications
Box Content
Digi Z1201 Multifunction I/O Controller (CTK-Z1201)
Case Material
Conformal-coated polycarbonate enclosure
Communications
RS-485, 2-wire interface with switch-selectable termination and pull-ups; daisy-chain power and communication
Configurable I/O — Analog Inputs
Measurable range 0-5 VDC; read frequency 20 Hz; 12-bit A/D conversion with 10 mV resolution; compatible with 0-5 VDC, 4-20 mA and 0-10 VDC sensors
Configurable I/O — Digital Outputs
(8) open-collector outputs; 30 V, 350 mA single output, 250 mA with all outputs on; max update frequency 60 Hz; pulse-width modulation 7.8 kHz, 8-bit resolution
Configurable I/O — Pulse Inputs
Max pulse width 3 ms; max count stored between reads 32,767
Dimensions
107.19 mm x 60.2 mm x 33.3 mm (4.22 in x 2.37 in x 1.312 in), excluding terminal block and DIN clip
Housing Colour
Black
Humidity
90% non-condensing
Inputs
(8) multi-mode inputs; maximum input voltage 30 VDC; input logic Low = 4; sample rate 512 Hz
Mounting
35 mm DIN rail
Operating Temperature
Minus 30 degrees celsius to 70 degrees celsius
Ordering Info
CTK-Z1201 — Digi Z1201 Multifunction I/O Controller
Power Consumption
100 mA (excluding active inputs)
Power Supply
9 – 24 VDC, external source
Weight
0.29 kg (0.63 lb) without power adapter
The Digi Z1201 Multifunction I/O Module is designed and engineered for use in demanding environments where reliability, durability are essential. The CTK-Z1201 supports a wide range of industries and operational applications.
Common deployment industries include: Construction, Energy and Utilities, Industrial Manufacturing, Logistics And Supply Chain, Security And Surveillance.
Across these sectors, the CTK-Z1201 is typically used in applications such as Industrial HMI And Machine Interfacing, Mobile Workforce Operations, Network Monitoring, Remote Management, Secure Communications And Command-And-Control.
These examples demonstrate the versatility of the CTK-Z1201 across both industry sectors and real-world operational use cases. Its suitability extends well beyond the scenarios listed above, making it a flexible solution for a broad range of requirements.
For further information, or to assess whether the CTK-Z1201 is appropriate for your specific application, please contact us.
The Digi Z1201 Multifunction I/O Module comes with a 3 Year Limited Warranty against defects in workmanship and materials, effective from the date of shipment (unless otherwise agreed in writing).
To receive service under this warranty, the eligible product, Digi Z1201 Multifunction I/O Module, must be presented to RUGGED in the United Kingdom.
For more information about the Digi Z1201 Multifunction I/O Module or to arrange repairs and services not covered by the warranty, please visit the warranty section on our website.
Request further details about the Digi Z1201 Multifunction I/O Module
If you have any questions about the Digi International CTK-Z1201 please get in touch today, our team of technical experts are ready to assist you.
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Frequently Asked Questions
RUGGED offers free technical support for the lifetime of products you purchase. This includes help with setup, troubleshooting, and integration. Support is available online or directly from the technical team
Digi builds security into its connectivity platform through Digi TrustFence, which provides secure boot, encrypted connections and device authentication. It appears across the range, including the Connect EZ serial device servers and IX-series routers. Several models add FIPS 140-2 cryptography, for example the IX40-05, and support VPN tunnelling through IPsec with IKEv1 and IKEv2, OpenVPN client and server, and GRE, alongside stateful firewalls, MAC filtering and VLAN support. Authentication options include RADIUS, TACACS+ and certificate-based access. This layered approach suits critical infrastructure and SCADA deployments where the connection itself is part of the attack surface. As security feature sets vary between routers, serial servers and USB products, verify the specifics on the individual product page.
Digi Connect EZ serial device servers exist to connect legacy serial equipment to modern IP networks without replacing the underlying machinery. The range on rugged.co.uk runs from single-port units up to the eight-port EZ08-TS00, with software-selectable RS-232, RS-422 and RS-485 on each port. A key feature is Digi RealPort, which lets remote serial devices appear as native COM ports on a host system, simplifying integration with existing applications. They support serial tunnelling, TCP and UDP, a built-in Python environment for edge scripting, and TrustFence security. Typical uses are industrial automation, manufacturing, healthcare and control rooms. Some variants add LTE, Wi-Fi or industrial temperature ratings, so confirm port count, interfaces and environmental specs on the product page.
Digi AnywhereUSB is a USB-over-IP solution that lets you attach USB devices remotely across an Ethernet network rather than plugging them directly into a host PC. The PLUS range on rugged.co.uk scales from 2 up to 24 ports, with the AW24-G300 AnywhereUSB 24 PLUS offering 24 USB 3.1 Gen 1 Type A ports plus dual 10G Ethernet and SFP+ for high-availability networking. By placing the host computer in a secure, sealed location away from the USB peripherals, it removes cable-length constraints and protects computing equipment from harsh conditions. Management is via web UI and cloud-based Digi Remote Manager. It suits broadcast, industrial, healthcare and data-centre deployments. Port counts, Ethernet speeds and ratings differ across models, so check the product page.
Yes. Digi’s cellular range spans LTE through to 5G, with several FirstNet-capable models for public-safety and critical-infrastructure use. The IX40-05 supports 5G NSA, 5G SA and LTE-Advanced Pro Cat 19 across 5G NR n1 to n79 including CBRS and C-band, with B14 FirstNet among its 4G bands, while the EX50 delivers 5G NR Sub-6 GHz with 4G and 3G fallback and Wi-Fi 6. The LTE Cat 4 IX30-0EG4 is also FirstNet-capable and adds Anterix B8 for private LTE on 900 MHz. Many models include GNSS for location services. Band support, carrier approvals and FirstNet readiness are strictly model-dependent, so confirm the exact configuration on the relevant product page before ordering.
Across the Digi catalogue on rugged.co.uk, the recurring sectors are energy and utilities, industrial manufacturing, construction, logistics and supply chain, retail, security and surveillance, healthcare and the public sector. The hardware tends to be specified for SCADA, smart grid, critical infrastructure, remote site monitoring, asset tracking, digital signage and industrial HMI applications. Cellular routers such as the IX and EX series suit unattended and outdoor sites; Connect EZ serial servers target industrial automation, manufacturing and healthcare where legacy serial devices must reach IP networks; and AnywhereUSB hubs serve broadcast, data centres and control rooms. Because each product is rated and certified differently, match the specific model to your operating environment and confirm temperature range, ingress protection and approvals on the product page.
Several Digi cellular routers are built for harsh and regulated environments, though the exact ratings differ by model. The IX30-0EG4, for example, carries an aluminium IP30 enclosure with hazardous-location approvals including ANSI/ISA 12.12.01 Class 1 Division 2, ATEX II 3 G Ex nA IIC T4 Gc and IECEx, plus a NEMA TS2 temperature rating from -34 C to 74 C for traffic cabinets and utility enclosures. The IX40-05 flagship operates from -40 C to 75 C in a glass-filled PPS chassis rated IP30. Many models add wide-input DC power and DIN-rail mounting for cabinet installation. Because certifications and temperature ranges are model-specific, check the relevant product page before specifying for a hazardous or outdoor deployment.
Digi Remote Manager is Digi’s cloud platform for provisioning, monitoring and securing fleets of deployed devices from a single dashboard. It is referenced across the Digi range on rugged.co.uk, from IX and EX cellular routers to Connect EZ serial servers and AnywhereUSB hubs, and supports configuration, firmware updates, alerts and intelligence at scale. For operators running hundreds of remote or unattended sites, this matters because it removes the need for engineer site visits to push updates or diagnose faults. Many devices pair it with the Digi 360 subscription, which on routers such as the IX40-05 bundles Remote Manager, warranty and 24/7 support for the first year. Confirm the exact management bundle and SNMP options on each product page.
Digi International is a US manufacturer focused on industrial IoT and cellular connectivity, supplying the kind of infrastructure that keeps unattended and remote sites online. On rugged.co.uk its catalogue spans three main families: cellular routers (the IX and EX series, including 5G models such as the IX40-05 and EX50), Connect EZ console and serial device servers that bridge legacy RS-232, RS-422 and RS-485 equipment onto IP networks, and AnywhereUSB hubs that extend USB ports over the network. The common thread is reliable connectivity for critical infrastructure, SCADA, smart grid and edge computing applications, backed by cloud orchestration through Digi Remote Manager. Always confirm bands, ports and ratings on the individual product page, as specifications vary by model.