Siemens 505-2571 User Manual download pdf (Page 30)

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® Programmable Controllers. If the active

processor fails, the RPM will automatically switch the

remote I/O to the standby processor. Transfer to the

standby processor is bumpless. All remote I/O updates are

mirrored to the standby processor. In addition, up to 4096

words of user-defined critical data can be transferred from

the active processor to the standby processor 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 User Manual Page 30