Basler BE1-CDS220, Instruction Manual

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BE1-CDS220 Installation 12-1
SECTION 12
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INSTALLATION
GENERAL
BE1-CDS220 Current Differential Systems are delivered with an instruction manual and BESTCOMS
software in a sturdy carton to prevent shipping damage. Upon receipt of the relay, check the model and
style number against the requisition and packaging list for agreement. If there is evidence of shipping
damage, file a claim with the carrier, and notify the Basler Electric Regional Sales Office, your sales
representative, or a sales representative at Basler Electric, Highland, Illinois.
If the BE1-CDS220 is not installed immediately, store it in the original shipping package in a moisture and
dust free environment.
CONTACT SENSING INPUT JUMPERS
BE1-CDS220 relays have eight contact sensing inputs to initiate relay actions. An external wetting voltage
is required for the contact sensing inputs. The nominal voltage level of the external dc source must
comply with the dc power supply input voltage ranges listed in Section 1, General Information,
Specifications. To enhance user flexibility, the BE1-CDS220 uses wide range AC/DC power supplies that
cover several common control voltages. The contact sensing input circuits are designed to respond to
voltages at the lower end of the control voltage range while not overheating at the high end of the range.
Energizing levels for the contact sensing inputs are jumper selectable for a minimum of 13 Vdc for 24 Vdc
nominal sensing voltages, 26 Vdc for 48 Vdc nominal sensing voltages, or 69 Vdc for 125 Vdc nominal
sensing voltages. See Table 12-1 for the nominal turn-on voltage ranges.
Table 12-1. Contact Sensing Turn-On Voltage
Nominal Turn-On Voltage Range
Nominal Control
Voltage
Low Position High Position
24 Vdc 13 - 19 Vdc N/A
48/125 Vac or Vdc 26 - 38 Vac or Vdc 69 - 100 Vac or Vdc
125/250 Vac or Vdc 69 - 100 Vac or Vdc 138 - 200 Vac or Vdc
Each BE1-CDS220 is delivered with the contact-sensing jumpers set for operation in the lower end of the
control voltage (pins 1 - 2 shorted). If the contact sensing inputs are to be operated at the higher end of
the control voltage range, the jumpers must be installed on pins 2 - 3.
The following paragraphs describe how to locate and remove/change the contact sensing input jumpers.
1. Remove the drawout assembly by pulling the two latches outward and sliding the assembly out of
the case. Observe all electrostatic discharge (ESD) precautions when handling the drawout
assembly.
2. Locate the eight jumper terminal blocks that are mounted on the Input/Output Circuit Board. The
Input/Output Circuit Board is the middle board in the assembly and the jumper terminal blocks are
located on the component side of the circuit board near the left hand side (right hand side when
looking at the unit from the rear by the internal connections). Each terminal block has three pins.
With the jumper as installed at the factory, one pin should be visible when viewed from the rear of
the unit. Figure 12-1 illustrates the location of the jumpers placed in the low voltage position.
ATTENTION
The BE1-CDS220 relay comes shipped with the input jumpers set to the LOW
position. Read the following paragraphs closely before placing the relay in
service.