HIMA X-DO1201 985210204 Digital Output Module

Description

HIMA X-DO1201 985210204 is a compact, fail safe digital output module designed specifically for HIMA’s X-series expansion modules. As part of the ELOP II platform, it serves as a critical connection point between safety controllers (such as HIMA F7553) and field devices such as solenoid valves, contactors, or motor starters. Unlike standard digital outputs, this module is certified specifically for SIL 3 applications and features hardware redundancy and self diagnostic capabilities to ensure fault detection and safe state transitions.

HIMA X-DO1201 985210204

From an architectural perspective, this module is integrated with HIMA’s SAFETYBUS p, which is a high-speed redundant communication bus that ensures deterministic transmission of data from the controller to the output channel. Each channel can be individually configured with fail safe behavior (such as “maintaining last valid state” or “forcing into safe state” during power outages), providing engineers with the flexibility to match according to specific application safety requirements. For integrators, this means a plug and play solution that simplifies the design of safety circuits, as the diagnostic coverage (≥ 99%) of each channel has been pre certified according to the IEC 61508 standard.

HIMA X-DO1201 985210204 is positioned as a multifunctional working module for safety critical drivers. Its IP67 rated enclosure and wide temperature range (-25 ° C to+60 ° C) make it suitable for both indoor control cabinets and on-site installation in harsh environments without the need for additional protective enclosures.

HIMA X-DO1201 985210204

Main features and advantages:
Fault safety architecture: Each output adopts a dual channel redundant design, equipped with independent power supply and diagnostic circuit. If a fault is detected (such as an open circuit, ground short circuit), the module will force the output to a safe state (such as 0 V DC) and report an error to the controller to ensure compliance with SIL 3 standards.
Durable hardware: IP67 protection level and conformal coating can prevent dust, water, and corrosive gases, making it ideal for flushing areas (food and beverage) or explosive environments (ATEX certification).
Hot swappable design: Field replaceable units (FRUs) allow for channel level maintenance without shutting down the system, which is crucial for situations that require 24/7 continuous operation.
High speed drive: response time<10 ms, ensuring fast execution of safety instructions, is crucial for time sensitive applications such as emergency stop circuits.
Flexible configuration: Supports passive contacts (dry contacts) and 24V DC solid-state output, compatible with multiple actuators. The channel status LED indicator can display the output status in real time.

HIMA X-DO1201 985210204

Technical specifications:
Model HIMA X-DO1201 985210204
Brand HIMA
Type Fault Safety Digital Output Module (SIL 3 Certification)
Power supply 24 V DC (powered by SAFETYBUS p or local terminal block)
Working temperature -25 ° C to+60 ° C
Protection level IP67 (NEMA 6P)
Installation method: DIN rail or direct panel installation (M4 screws)
Dimensions 40 mm (width) x 120 mm (height) x 80 mm (depth)
Weight 0.3 kg
Output channel 12 fault safe digital outputs (24 V DC, 2 A per channel)
Contact type Solid state (semiconductor) with diagnostic feedback
Redundant design with dual channels per channel (2oo2 architecture)
Diagnostic coverage rate ≥ 99% (according to IEC 61508 standard)
Certified IEC 61508 (SIL 3), IEC 61511, ATEX (Ex II 2G Ex db IIC T6 Gb), CSA

Contact Us
Phone:+86 16626708626
WhatsApp/WeChat:+86 16626708626
Email: 3772179818@qq.com

Application areas:
In the chemical plant, HIMA X-DO1201 985210204 is connected to a shut-off valve. In the event of leakage or overpressure, the module can quickly cut off the power supply to the valve and isolate the hazardous area.
In food processing plants, it controls the emergency stop of the conveyor belt to prevent product spillage or equipment damage, while complying with strict hygiene standards (IP67 protection level, suitable for flushing environments). The engineer deploying this module has solved the problem of reliable driving in the safety loop, as delayed or failed outputs may cause operational interruptions or safety accidents.

This module is also suitable for distributed control systems (DCS) that require remote I/O functionality.
In offshore wind farms, it can serve as a remote digital output node to achieve safe shutdown of wind turbines under extreme weather conditions, while reducing cable wiring between the control cabin and the engine room. Its role in industrial automation is to connect safety logic with physical actuators, providing a powerful and certified interface that meets SIL 3 requirements.

Related products:
HIMA F7553- SIL 3 Fault Safety Controller, communicates with X-DO1201 through SAFETYBUS p to provide safety logic.
HIMA X-DI1201- Matching digital input module, paired with X-DO1201 to achieve complete safety circuit integration (e.g. from ESD button input to valve output).
HIMA X-BLK01- Universal Expansion Module that can host X-DO1201 as part of a hybrid I/O configuration.
HIMA F8627- Ethernet communication module, supports remote monitoring of X-DO1201 channel status through SCADA or cloud platform.
HIMA X-BUS01- A safety bus coupler that allows multiple X-series modules (such as X-DO1201 and analog modules) to be connected in series to build large-scale systems.
HIMA F3231- Rack mounted safety analog output module, used in conjunction with X-DO1201, suitable for applications that require both discrete and continuous control.

Installation and maintenance:
Before installation:
Wiring: Use shielded twisted pair cables to transmit output signals to reduce electromagnetic interference (EMI), especially when wiring in parallel with power cables. For long-distance wiring (>50 m), please consider using repeaters or terminal blocks with surge suppression.
Grounding: Connect the PE terminal of the module to a dedicated grounding bus to prevent grounding loops, which is particularly important in environments with high electrical noise.
Environmental settings: In ATEX areas, ensure that modules are installed in certified enclosures (if surface mounted) and use explosion-proof cable sealing joints to maintain explosion-proof integrity.
maintain:
Monthly inspection: visually inspect for loose connections or damaged terminals, especially in vibration environments. Use HIMA’s engineering tools to view channel faults in diagnostic logs.
Annual testing: Conduct functional testing on each output channel by simulating safety events (such as forced channel tripping) and verify actuator response. Update firmware annually to adopt the latest diagnostic algorithms.
Spare parts management: Keep at least one spare HIMA X-DO1201 985210204 for quick replacement, as hot swapping allows for maintenance without shutting down the system.

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