Elmomc Multi-Axis Motion Controller-Maestro Installation Uživatelský manuál stáhnout pdf (Strana 21)

Maestro Installation Guide Installation

MAN-MASIG (Ver 1.33)

3-11

3.5.1 RS-232 Communication (if needed)

Notes for connecting the RS-232 communication cable:

 Use of a standard, commercial CAT-5 null-modem cable may be acceptable for most

applications. However, Elmo recommends using a 26 to 28 AWG, twisted pair cable

shielded by aluminum foil and copper braid with drain wire.

 Elmo recommends that both female connectors have a metal cover.

 Ensure that the shield of the cable is connected to the metal shell of the female connectors.

The drain wire can be used to facilitate the connection.

 Connect the shield of the cable to the PE of the host (PC). Usually, this connection already

exists internally inside the PC. You can use the drain wire to facilitate connection.

Signal

Maestro

Signal

Pin Function Pin Location

1 — — 1 —

2 Rx Tx 3 RS-232 Rx to Tx

3 Tx Rx 2 RS-232 Tx to Rx

4 — — 4 —

5 COMRET COMRET

Communication

Return

6 — — 6 —

7 — — 7 —

8 — — 8 —

9 — — 9 —

* Metal

shell

Drain

wire

Drain

wire

* Metal

shell

Shield

9 pin D-sub socket

Table 3-7: RS-232 Crossed Cable - Pin Assignments

Figure 3-6: "Null Modem" Connection Diagram

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 45 46

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Elmomc Multi-Axis Motion Controller-Maestro Installation Uživatelský manuál Strana 21