User's Manual

April ’00 Chapter 4. Installation

4.5.4 Master/Slave (without acknowledgement) & Triggered Synch.

Figure 11 shows the way that the Readers have to be connected for master/slave

synchronization without acknowledgment; and triggered synchronization. Make sure

that you set the software configuration to Master or Slave (according to Table 32 and

Table 33) acknowledgement) when you are configuring the reader.

Table 32 and Table 33 show the settings of the Line termination DIP switches.

Figure 11

: Master/Slave Sync. Interface Connection (without Ack.)

Table 32: Master/Slave Synchronization Without Acknowledgement

Line Termination

Dip Switch

Unit 1:

(Master)

Unit 2...Unit n-1:

(Slaves)

UNIT n: (Slave)

SW1 ON OFF ON

SW2 ON OFF ON

SW3 OFF OFF ON (see Note)

Note:

If the distance between Unit 1 and Unit n is less than approximately

400 m, DIP switch SW3 can be left OFF.

Table 33: Triggered Synchronization

Line

Termination

Dip Switch

UNIT 1:

Trigger Unit

UNIT 2...UNIT n-1:

(Master)

UNIT n: (Master)

SW1 Termination not required OFF ON

SW2 Termination not required OFF ON

SW3 Termination not required OFF ON (see Note)