1.General Introduction
SRM4D relay terminal board is a 16 channels 19-inch rack mountable type for wire connections of prosafe RS digital input and output signals with relay protection, can be connected to digital Input module SDV144 and digital output modules SDV541 via signal cable AKB331, mounting by M4 terminal screws to the racks of marshalling panels, Dual-redundant connection is available for dual redundant modules
2.Standard Specification
Main Characters | Description |
Type of input/output and number of I/O points | Contact output/16-point x 1 (dry contact outputs) |
Connection module | SDV541, SDV144 (read-back) , Dual-redundant possible |
Target IOM and interface | SDV541 + AKB331/SDV541, SDV144 (read-back) + AKB331/SDV144 Dual-redundant possible |
Withstanding voltage | Between field device terminals and case: 2 kV Between 24-V power terminal and case: 500 V Between 24-V power terminal and field device terminals: 2.5 kV |
Insulation resistance | At least 10 MΩ (at 500 V DC) |
External supply voltage/current | 24 V DC +5 %, -1.2 %, Up to 1500 mA (at 24 V DC) |
Rated output voltage/current (current/point) | 250 V AC / 2 A, 125 V DC / 0.4 A, 30 V DC / 2 A |
Ambient temperature (during operation) | -20 to 70 °C |
Ambient humidity (both during operation and in transit/storage conditions) | 5 to 85 % RH |
3.Model Selection Table
Model | Suffix Codes | Description | |||
SRM54D | 16 × 1 Dry Contact Output (Safety Relay Built-In, M4 Terminals) | ||||
-0 | Always 0 | ||||
0 | 19-inch Rack mountable | ||||
0 | Basic | ||||
Option Code | /BR4 | Wall-mount bracket | |||
4.Typical Order Codes
Typical order codes | Remarks |
SRM4D-000 | Standard type |
5.External Dimension
