Schneider Electric

Zelio 2 Modular

PROTECT. MOD SR 26 I O 24 VDC SR3B261BD
Article number: 
4508817
Suppl. article no: 
SR3B261BD





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Can handle both Ladder and FBD language.
Zelio is used for automatic equipment as well as by industry in commercial and public buildings for instance. The new generation of Zelio offers unprecedented possibilities from the construction stage to monitoring of your application thanks to its unique flexibility and simplicity. It is available in two series: compact (up to 20 I/O) and modular (up to 40I/O).
Zelio is equipped with a large backlit display (four lines with 18 characters). Programming is done directly on the module (ladder) or via PC with the Zeliosoft user-friendly software. UL and CSA approved.
• Annual timer with 10 years battery backup (automatic switching between summer/wintertime).
• Relay or transistor output.
• Digital and analogue inputs.
• Ladder programming contains for e.g.
16 time relays, 16 up/down counters, 1 quick counter, 16 analogue comparators, 8 week clocks, 28 help relays, 8 counter comparators and 16 text blocks. All inputs can be set for normal spool functions, set/reset and impulse relay functions. The module has 120 programme rows with 5 contacts and one output per row.
FDB programming contains for e.g.
6 logic functions, 23 pre-programmed functions (time relays, counters, comparators, Boolean algebra, adders etc.) as well as grafcet SFC (Sequential Function Chart) functions. Modules can handle programming with up to 200 function blocks.
* the number of analogues (0... 10V) in parentheses
  • Article number: 
    4508817
  • Suppl. article no: 
    SR3B261BD
  • Ean no: 
    3389110549980
  • Material class 
    QP791B
Technical data
  • Packagin Size: 1 PCS/20 PCS
  • Type: SR3B261BD
  • Number of analogue inputs: 6
  • Number of analogue outputs: 0
  • Number of digital inputs: 16
  • Number of digital outputs: 10
  • Supply voltage DC: 24 V
  • Switching current: 8 A
  • With relay output: Yes
  • With time switch clock: Yes
  • With display: Yes
  • Width: 124.6 mm
  • Height: 90 mm
  • Depth: 59.5 mm
  • Number of interfaces PROFINET: 0
  • Number of HW-interfaces wireless: 0
  • Basic device: Yes
  • IO link master: No
  • Suitable for safety functions: No
  • Front built-in possible: Yes
  • Rack-assembly possible: No
  • Radio standard GPRS: No
  • Radio standard GSM: No
  • Radio standard UMTS: No
  • Radio standard WLAN 802.11: No
  • Redundancy: No
  • Supporting protocol for ASI: No
  • Supporting protocol for CAN: No
  • Supporting protocol for Data-Highway: No
  • Supporting protocol for DeviceNet: No
  • Supporting protocol for KNX: No
  • Supporting protocol for INTERBUS: No
  • Supporting protocol for Modbus: No
  • Supporting protocol for SERCOS: No
  • Supporting protocol for SUCONET: No
  • Supporting protocol for INTERBUS-Safety: No
  • Supporting protocol for LON: No
  • Supporting protocol for other bus systems: No
  • Supporting protocol for AS-Interface Safety at Work: No
  • Supporting protocol for DeviceNet Safety: No
  • Supporting protocol for EtherNet/IP: No
  • Supporting protocol for Foundation Fieldbus: No
  • Supporting protocol for PROFINET CBA: No
  • Supporting protocol for PROFINET IO: No
  • Supporting protocol for PROFIsafe: No
  • Supporting protocol for SafetyBUS p: No
  • Expandable: Yes
  • Expansion device: No
  • Number of HW-interfaces RS-232: 1
  • Number of HW-interfaces RS-422: 0
  • Number of HW-interfaces RS-485: 0
  • Number of HW-interfaces USB: 0
  • Number of HW-interfaces industrial Ethernet: 0
  • Number of HW-interfaces parallel: 0
  • Number of HW-interfaces serial TTY: 0
  • Number of HW-interfaces other: 1
  • Explosion safety category for dust: None
  • Explosion safety category for gas: None
  • With optical interface: No
  • Performance level according to EN ISO 13849-1: None
  • SIL according to IEC 61508: None
  • Suitable for rail mounting: Yes
  • Degree of protection (IP): IP20
  • Supporting protocol for TCP/IP: No
  • Appendant operation agent (Ex ia): No
  • Appendant operation agent (Ex ib): No
  • Voltage type (supply voltage): DC
  • Wall mounting/direct mounting: Yes
  • Radio standard Bluetooth: No
  • Supporting protocol for PROFIBUS: No
  • REACH contains candidate substances: Bly | 1,3-propanesultone 1,2-oxathiolane 2,2-dioxide
  • REACH Date: 2022-07-20
  • REACH Information obligation: Yes
  • Week clock: Yes
  • Number of outputs: 16 (6)
  • Information: Number of inputs: 16 (6)