-27-
6.4 External Input/Output
Table 6-4-1 PCR28 pin(male) connector
Pin No. Signal Function I/O Connection
1 Reserved
2 Reserved
3 SHUTTER*1 Shutter control input
signal:
High is Open; Low is Close
Input TTL/CMOS level
4 Reserved
5 Reserved
6 Reserved
7 SYNC Sync trigger input signal Input TTL/CMOS level
8 INDEX Sync trigger output signal
Pulse width 10ms<
300Hz～2kHz
Output TTL/CMOS level
9 Interlock Open is interlock Input TTL/CMOS level
10 Reserved
11 Reserved
12 Reserved
13 PORT M6 port position signal Output TTL/CMOS level
14 Reserved
15 Reserved
16 Reserved
17 Reserved
18 Reserved
19 Reserved
20 Reserved
21
SYNC－
GND
22
INDEX－
GND
23
Interlock－
GND
24 Reserved
25 Reserved
26 Reserved
27
PORT－
GND
28 Reserved
*1：Maximum allowable shutter on/off frequency is 3Hz for shutter protection. If you
input faster frequency, shutter will not work properly.
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