Emerson XEV22D Specifications download pdf (Page 19)

How to Assign a MODBUS Address Digital Inputs • 13

9 Digital Inputs

The XEV22D comes with two (2) digital inputs: a

voltage-free input and a high voltage input; both can

be configured as cooling call. In this way the cooling

signal can come from the controllers with direct load

outputs or via the controllers with voltage-free out-

puts. One of these inputs must be configured as the

cooling call.

10 Forced Opening

If necessary, change the FOP parameter to force

the valve to open. For example, if FOP is set to 50

(FOP = 50), the valve will be opened at half of full

scale. To disable this function, set the

FOP to default

value (FOP = not used). The valve opening is en-

abled only when CCL digital input is enabled.

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Emerson XEV22D Specifications Page 19