Lambda SRS SR475, Руководство по эксплуатации

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1 – 12 Operation
1.7 Shutter interface connector
The SR475 and SR476 Laser Shutters are normally operated through
SR470 Series Laser Shutter drivers (such as the SR470 Shutter Con-
troller or the SR474 Four-Channel Shutter Driver) that provide power
and external interfaces. Users may also wish to directly interface the
SR475 or SR476 to their own systems without the use of additional
hardware.
Figure 1.4: Shutter connector pinout, as seen looking into the con-
nector.
Connector Pin Description
1
+
12 VDC in (motor power supply)
2 Signal ground
/
power return
3
+
4.5 VDC in (logic power supply)
4 Control signal in (logic level)
5 RX (Serial input)
6 TX (Serial output)
Table 1.3: Shutter connector pinouts
The pinout for the connector is shown in Fig. 1.4 and the signal names
are shown in Table 1.3.
The shield of the shutter connector is connected to the case of the
shutter head. Please see
§
1.2.3 about grounding considerations for
more information.
1.7.1 Direct interfacing
The SR475 and SR476 have limited or no internal protection against reverse
CAUTION
polarity, missing power, or overvoltage on the power supply pins. The
misapplication of power may cause circuit damage. For most applications,
SRS recommends using the SR475 or SR476 together with an SR470 Series
Laser Shutter driver such as the SR470 Shutter Controller or the SR474
Four-Channel Shutter Driver.
The shutter connector is mechanically compatible with 6-pin IEEE-
1394 cables. Clean, well-regulated supply voltages of
+
4
.
5,
+
12 VDC
SR475 and SR476 Laser Shutters