D395-90-880 Issue E
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Technical data
2.5.3 Serial communications (enhanced only)
Figure 3 - Pin connections for the serial comms connector
Connector type 9-way sub-miniature 'D' type socket (refer to Figure 3)
RS232 transmit mark: < -5 V (I
out
max: -1.5 mA)
space: > +5 V (I
out
max: +1.5 mA)
RS232 receive mark: < +0.8 V
space: > +2.4 V
input resistance: 5 kΩ
Maximum input ±25 V
RS232 protocol 9600 baud, 1 stop bit, 8 data bits, no parity
Maximum cable length 10 m
Message rate 3 per second maximum
Table 4 - Pin connections for the serial comms connector
Pin Allocation
1N/C
2RS232 transmit
3RS232 received
4N/C
5RS232 common
6N/C
7N/C
8N/C
9N/C
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