Johnson Controls Mercury 3 Series Hardware Installation page 11

CKM-MR52-S3
24-10707-198 Rev. –
To minimize premature contact failure and to increase system reliability,
contact protection circuit must be used. The following two circuits are
recommended. Locate the protection circuit as close to the load as
possible, within 12 inches30cm), as the effectiveness of the circuit
decreases if it is located further away.
Use sufficiently large gauge of wires for the load current as to avoid
voltage loss.
J DIP S
UMPER AND
Switches 1 to 5 select the device address. Switch 6 and 7 select the
communication baud rate. Switch 8 enables encrypted communication. All
other configuration settings are set via host software.
S8 S7 S6
Figure 8: CKM-MR52 Control Output Wiring
U
WITCH SAGE
Table 1: Switches
S5 S4 S3 S2
OFF OFF OFF OFF OFF Address 0
OFF OFF OFF OFF ON
OFF OFF OFF ON
OFF OFF OFF ON
OFF OFF ON OFF OFF Address 4
OFF OFF ON OFF ON
OFF OFF ON ON
OFF OFF ON ON
OFF ON OFF OFF OFF Address 8
OFF ON OFF OFF ON
OFF ON OFF ON
OFF ON OFF ON
Hardware Installation Manual
S1 Selection
Address 1
OFF Address 2
ON Address 3
Address 5
OFF Address 6
ON Address 7
Address 9
OFF Address 10
ON Address 11
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