D397-21-880 Issue G
Page 6
© Edwards Limited 2009. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Technical data
Figure 3 - Pin connections for a 9-way sub-miniature 'D' type socket
2.4.4
Analogue outputs
Figure 4 - Pin connection for 4-way analogue output connector
Table 4 - Serial communications connector pin-out
Pin
Allocation
1
N/C
2
RS232 transmit
3
RS232 receive
4
N/C
5
RS232 common
6
N/C
7
N/C
8
RS485 data A
9
RS485 data B
Connector type
Phoenix 2.5 mm 4-way
mating half Phoenix FK-MC 0.5/4-ST-2.5
(available from Edwards as 5000 17005)
Short circuit protection
All signals
Max load
Gauge signals:
±
1 mA
Common:
±
3 mA
Output voltages
Gauge connected:
Gauge signal voltage
(
±
2
% ±
15 mv when in range 0 to
+
10 V)
Gauge connected
12 V (
±
1.3 V)
gea/d39701/f4
1
2
3
4