ControlWave Instruction Manual (CI-ControlWave)
3.4 Digital Input (DI) Modules
DI modules provide 16 or 32 digital inputs. Using jumpers, you can
individually configure each input as either externally sourced or
internally powered using an in21Vdc power supply (dry
contacts).
Note:
Early versions of ControlWave DI modules required you to
specify either internal or external sourcing for all DIs when you
ordered the module; now you can set this yourself using jumpers
on a per DI basis.
Table 3-1 DI Module General Characteristics
Type Number
Supported
Characteristics
Digital Inputs (DI)
16 or 32
Each DI supports/ includes:
Nominal input voltage of 24Vdc at 5
mA.
Jumper to configure choice of either:
externally sourced input - or -internally
powered dry contact using internal
+21 Vdc power supply.
Nominal input current of 5 mA
30 ms input filtering
Dedicated LED on module turns ON
when DI is ON
A DI module consists of a digital input printed circuit board (PCB) with
either a terminal block assembly (for local termination) or a header
block assembly (for remote termination). Each DI module also includes
an LED board, as well as I/O assembly and mounting hardware. The DI
PCB connects to the backplane using a 110-pin connector.
Detailed Technical
Specifications
For detailed technical specifications, please see document CWPAC
available on our website http://www.emersonprocess.com/remote.
Configurations
DI modules (general part number
396357-XX-X
) come in several
different configurations. See
Table 3-2
to see the variations.
Table 3-2 DI Module Configurations
Part Number
Number of DIs
Termination Connector
396357-01-6 32
Local
396357-02-4 16
Local
396357-11-3: 32
Remote
396357-12-1 16
Remote
Isolation
Surge suppressors and optocouplers electrically isolate the DI field
circuitry from the module’s bus interface circuitry. Inputs configured
3-8
I/O Modules
Revised Nov-2010
