Siemens 505-2571 Specifications download pdf (Page 20)

2534, 2541

2534 8-Point Form-C Relay Output Module

The 2534 module provides 8 isolated Form-C

relay outputs for the CTI 2500 Series or Simatic

505

I/O base. The 2534 is designed for high current

applications such as switching motor starters. It is

also designed for 125 VDC (nominal) low level

current applications and is especially suited for

applications in power utility substations.

Features:

 Replaces Siemens

505-4908 with no rewiring

 8 Form-C relay outputs

 Isolated 1500V channel-to-backplane

 Wide 15-240 VAC, 15-150 VDC output range

 Individually fused outputs

 4.0 Amps per output

2534, 2541

2541 Redundant Processor Manager

Module

The 2541 Redundant Processor Manager (RPM)

provides an automatic backup solution for CTI 2500

Series or Simatic

505 PLCs. If the active PLC fails,

the RPM will automatically switch the remote I/O to

the standby PLC. Transfer to the standby PLC is

bumpless. All remote I/O updates are mirrored to

the standby PLC. In addition, up to 4096 words of

user-defined critical data can be transferred from

the active PLC to the standby PLC every scan.

Other non-critical data can be transferred over

several scans. The RPM can also switch up to two

serially attached operator interface devices.

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Siemens 505-2571 Specifications Page 20