Technical Description; Main Board - Dräger Regard-1 Instructions For Use Manual

Technical description

4 Technical description
4.1 Main board
1
4
1 24 V Battery terminals (see Section 4.1.4 on Page 9).
2 Fuses (see Section 4.1.3 on Page 9).
3 Input and output terminals (see Section 4.1.1 on Page 8).
4 Maintenance inhibit jumper socket (see Section 4.1.2 on
Page 9).
Further explanation of the main board components and
connectors is provided in the installation and calibration
information later in the document.
4.1.1 Input and output terminals
Terminal Function
1 2 Remote reset input
Reset
3 4 4–20 mA output (requires options board)
- 20 mA +
5 6 24 Vdc unswitched output (100 mA max.)
- 24 V +
7 8 9 4–20 mA transmitter or SE Ex sensor input
- Input +
10- 11+ A1 24 V switched output (100 mA max.)
12- 13+ A2 24 V switched output (100 mA max.)
14 15 16 A1 relay output
17 18 19 A2 relay output
20 21 22 TWA relay output (requires options board)
23 24 25 A3 relay output
26 27 28 Fault relay output
29 30 31 Inhibit relay output
N E L 98 to 253 Vac fused output (500 mA max.) (back row terminals)
98 to 253 Vac input (front row terminals)
8
2
3427
3
Regard-1 Single Channel Controller
3427