Instruction Manual
1-ampere Form-C electro-mechanical relays for 4 Relay Option). Each relay can accommodate a single setpoint. 
200 W, 2500pf snubbers are provided for each normally open contact. 
These options may not be used with parallel BCD Board Option. Figure 14-1 and 14-2 shows the board 
connections and jumper locations. 
Figure 14-1. Relay Option Board With S1 Jumper Positions and Connection Diagram. 
Table 14.1 Dual Relay Board Jumpers 
JUMPER FUNCTION 
S1A*  Drives Relay 1 from SP3 (P6) 
S1B not used 
S1C  Drives Relay 2 from SP2 (P7) 
S1D  Drives Relay 1 from SP1 (P6) 
S1E*  Drives Relay 2 from SP4 (P7) 
* Factory preset jumper locations 
Figure 14-2 below shows the locations of the 4 Relay Output Board jumpers, the P10 plug connecting the board to 
the Main Board, and the positions of P6, P7 and P18, the output plugs. 
Figure 14-2. 4 Relay Board Jumpers and Plugs. 
Table 14-2 shows which jumpers are assigned to each relay. Defaults have asterisks. 
Table 14-2. 4 Relay Board Jumpers 
S1 S2  Function 
A,C* 
A,C* 
Assigns SP1 to Relay 1 (P6) 
Assigns SP2 to Relay 2 (P7) 
Assigns SP3 to Relay 3 (P18) 
Assigns SP4 to Relay 4 (P18) 
    Assigns SP1 to Relay 3 (P18) 
CF 67  62  M1291/N/0403 11279ML-02 Rev. A 










