Omega DP41-S - Features Overview; Figure 14-1 Dual Relay; SECTION 14 RELAY OPTIONS 14.1 Features Overview

14
Relay Options
14-1
14.1 FEATURES OVERVIEW
The Dual Relay Output Board and 4 Relay Output Board provides two
isolated (354 V per IEC spacing, 500 test), 7-ampere Form-C
electro-mechanical relays that enable setpoint-triggered switching to an
external device (plus two 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 Dual Relay
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
AB
C
D
E
S1
P6
P7
P10
PIN 1
P6
1 RELAY 1 (N. O.)
2 RELAY 1 (COMMON)
3 RELAY 1 (N. C.)
P7
1 RELAY 2 (N. O.)
2 RELAY 2 (COMMON)
3 RELAY 2 (N. C.)
2
1
3
1
2
3