D397-21-880 Issue G
Page 4 © Edwards Limited 2009. All rights reserved.
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Technical data
Figure 1 - Pin connections for an 8-way FCC/RJ45
2.4.2 Logic interface
Figure 2 - Pin connection for a 15-way sub-minature ‘D’ type socket
Table 2 - Gauge connector pin-out
Pin Allocation
1 Power supply positive
2Power supply common
3Signal input
4 Identification
5 Signal common
6Control line 1
7Control line 2
8N/C
Connector type 25-way sub-miniature 'D' type socket (refer to Figure 2)
Power supply 24 V d.c.
Maximum output power 5 W
Control output active: <1.1 V d.c. (I
out
< 20 mA)
<0.8 V d.c. (I
out
< 2 mA)
inactive: open (internal pull up to 24 V)
Control input low: <2.0 V d.c. (I
out
<160 µA)
high: 3.5 V to 24 V d.c. (internal pull up to 24 V)
Analogue output 0 to 10 V (5 mA max)
50 mV resolution
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