Product Description
Product Information
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Manufacturer: BACHMANN
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Model/Part Number: SDO204
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Description: Safety Digital Output Module
Ordering Information
| Part Type Designation |
Part Number |
Description |
| SDO204 |
00014545-00 |
Safety digital output module; SIL3/PL e: 4x DO 24V / 2A; (SIL2/PL d: 8x DO); can be connected in parallel |
| SDO204 CC |
00017462-00 |
Same as SDO204, but ColdClimate version |
Digital Outputs
| Parameter |
Specification |
| Quantity |
8 digital outputs (can be used redundantly in pairs, PL e / SIL 3 / Cat 4) |
| Output Voltage Range |
18V DC to 34V DC |
| Output Current per Channel |
2A nominal |
| Total Current per Group (Max.) |
8A¹ |
| 0 to 1 Delay |
Max. 35 µs at full load |
| 1 to 0 Delay |
Max. 155 µs at full load |
| Output Groups |
2, electronic fuse |
| Status Indication (LED) |
Green |
| Switching Frequency (Max., Resistive Load) |
500 Hz |
| Error Monitoring |
Short-circuit, overload, undervoltage/overvoltage of the power supply |
| Time-Delayed Emergency Shut-Off |
Configurable for each output from 0s to 1800s (resolution 100ms); enabled in case of communication loss (e.g., supply voltage failure) |
¹ Derating from 40°C ambient temperature
Internal Power Supply
| Parameter |
Specification |
| Galvanic Isolation from System |
500V |
| Galvanic Isolation Between Groups |
500V |
| Internal Power Supply |
Backplanes BS2xx |
| Internal Current Consumption |
5V / 250mA via backplane |
External Power Supply
| Parameter |
Specification |
| Reverse Polarity Protection |
Yes |
| Input Voltage |
24V DC (18V to 34V) |
| Voltage Range |
18V DC to 34V DC |
| Current Consumption |
Typically 70mA at +24V DC + Σ current consumption of actuators |
Connection Type
| Parameter |
Specification |
| I/O Connection |
RM 3.5 connector with flange |
| Power Supply Connection |
RM 5.08 connector with flange |
| Connection Type |
Screw or spring terminal |
| Additional Features |
Connector can be coded and labeled |
Standards and Approvals
| Category |
Standards |
| Machine Safety |
IEC 61508:2010 (Functional safety of E/E/PE safety-related systems) |
| Approved for |
ISO 13849 (Safety of machinery), IEC 62061 (Functional safety of machine-related E/E/PE systems), IEC 61511 (Functional safety for equipment in the process industry) |
| Product Standard |
IEC 61131-2, UL 508 |
| General Approvals |
CE, UKCA, cULus |
| Marine Approvals |
ABS, BV, DNV, LR |
| ColdClimate Marine Approvals |
ABS, BV, DNV, KR, LR, NK, RINA |
Environmental Conditions
| Parameter |
Standard Version |
ColdClimate Version |
| Operating Temperature |
-30°C to +60°C (fan-free) |
-30°C to +60°C (fan-free) |
| Relative Humidity (Operation) |
5% to 95% (non-condensing) |
5% to 95% (with condensation) |
| Storage Temperature |
-40°C to +85°C |
-40°C to +85°C |
| Relative Humidity (Storage) |
5% to 95% (non-condensing) |
5% to 95% (with condensation) |
| Maximum Altitude |
4,500m above sea level |
|
| Pollution Degree |
2 (according to IEC 60664-1) |
|
| Protection Class |
3 |
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