Ametek SW 1850AE, Operation Manual

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SW 5550AE • SW 3700AE • SW 1850AE
Installation
Operation Manual 2-7
2.7.1 BNC Connectors
The diagram below illustrates the signal and return connections. Refer to Figure 2
–3,
Items 1 and 2.
2.7.2 EXT IN (External Input)
Refer to Figure 2
–3, Item 3.
PIN # MNEMONIC LEVEL
1 SHIELD CHASSIS
2 SHIELD CHASSIS
3 SHIELD CHASSIS
4 SHIELD CHASSIS
5 SHIELD CHASSIS
6 through 9 Not Used Not Used
10 EXT_IN_A
±7.25 Vpeak
DC to 500 Hz, 30 k
11 EXT_IN_B
±7.25 Vpeak
DC to 500 Hz, 30 k
12 EXT_IN_C
±7.25 Vpeak
DC to 500 Hz, 30 k
13 EXT_RETURN
±20 Vpeak
WRT CHASSIS GROUND
14 and 15 Not Used Not Used
Table 2
–3 EXT IN Connector Pinout