Bosch MIC400 PTZ Specifications download pdf (Page 9)

BP4 Bi-phase card | Installation and Operation Manual AAAEN| 9

Bosch Security Systems Issue 1

The MIC-BP4 has a 110 Ω termination resistor between the Bi-phase +ve and –ve

terminals which should be removed unless the camera is the last in the daisy chain

of cameras.

Typical Wiring Example

In a daisy chain configuration (as shown in Figure 2 below), a termination resistor

of 110 Ω must be added to the last MIC400 in the series. You can daisy chain a

maximum of eight (8) MIC400’s per Bi-phase output.

Figure 2: Daisy chain configuration for Bi-phase controller

Installation of the MIC-BP4 Bi-phase Converter Card

1. The power supply unit should be switched off and unplugged prior to

carrying out any work.

2. Ensure that the four (4) card spacer supports fitted in the power supply are

positioned in the centre and right most mounting holes on the power

supply printed circuit board, so that the MIC-BP4 card is supported in each

corner.

3. To reposition the card spacers first remove the four (4) screws holding the

power supply PCB to the enclosure, turn the PCB over and remove the

two (2) card spacer supports at the right hand positions (labelled A on

Figure 3), these spacers should be re-fixed at the middle positions

(labelled B on Figure 3).

4. Connect the Bi-phase +, Bi-phase - signals in the Shielded Twisted Pair

(STP) cable from the control system to the appropriate HD2 screw

terminals (as shown in Figure 1).

5. Insert the MIC-BP4 card into the connector labelled CN2 (labelled C on

Figure 3) on the PSU, and screw to the card spacer supports using M3x6

screws.

6. Switch on the power supply unit.

7. A status LED will flash (every 3 seconds) indicating the operation of the

BP4 Bi-phase converter.

8. To verify the Bi-phase signal are being received and converted, send a

PTZ commands from the control system. The status LED will flash whilst

commands are being converted to RS485.

CAUTION: The shield must be connected to the controller end onl

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Bosch MIC400 PTZ Specifications Page 9