<2. Installation>
2-9
IM 12Y18A04-01EN
1st Edition : Oct. 04, 2019-00
2.3.3
Inputs Signal Connections
The two inputs are assigned for external control commands. Inputs 6 and 7 require a DC voltage
between 5 and 24 Volts to activate. A 24 V supply is available from the main terminal strip pins 15
and 16 that can be used for activating the external control inputs.
Digital CONTROL inputs:
Pin Signal
11 Digital input 6 live
12 Digital input 6 return
13 Digital input 7 live
14 Digital input 7 return
15 +24V DC live
16 24V DC ground
USING INTERNAL 24VDC
USING EXTERNAL SUPPLY
5 - 24VDC
GND
GND
INP7
24VDC
RETURN
13
14
15
16
INP7
13
14
15
16
Figure 2.9
Input 6 is assigned by default to RUN/STOP function with Close/Open of a dry contact.
Input 7 is left unassigned by default.
Dry contact = voltage free contact.
The functionality along with the state of the enabling signal is programmable by the user.
2.3.4
Communication Signal Connections
The analyzer has two communication connectors located at the right side in the upper cabinet.
See Figure 2.8. For connecting to them, use the communication conduit hub port on the right side
of the instrument for wire entry.
Summary of Contents for WE440
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