MEN BL51E, Руководство пользователя

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Functional Description
20BL51E00 E2

2020-03-27 Page 61
3.14 Relay Outputs
The relay outputs of the BL51E have the following characteristics:

Switching current:
- Input voltage 0 V DC to 30 V DC: 2 A max.
- Input voltage 30 V DC to 50.4 V DC: 0.9 A max.

Switching voltage:
- 50.4 V DC max.

Switching frequency:
- 1 Hz max.

Min. life time @ 1 A, 30 V DC, 20 cpm: 100.000 switching operations
3.14.1 Front Connection
Table 31. Connector types – 6-pin PCB plug
Table 32. Pin assignment – RELAY OUT (6-pin PCB plug)
Table 33. Signal mnemonics – Relay outputs
The relay outputs are controlled via SMBus:
Connector Type
On BL51E 6-pin, 2-row PCB plug, 3.5 mm, Phoenix Contact DMC 1,5/ 3-G1F-3,5-LR
P20THR, part number 1787027
Mating 6-pin, 2-row receptacle, 3.5 mm, e.g., Phoenix Contact DFMC 1,5/ 3-ST-
3,5-LR, part number 1790496
1 NO1 2 NC1
3 COM1 4 NO2
5 NC2 6 COM2
Signal Direction Function
COMx in Common contact
NCx out Normally closed contact (break contact)
NOx out Normally open contact (make contact)
See Chapter 5.1.2.3 Odometer, Photocoupler, Relay Signals SMB Register (
0x44
) on
page 87 .
1 2
5 6