Flex EM/EX HazLoc System Instruction Manual
June 2019
Page 35 of 62
4.2.2
Output Relay Configurations
4.2.2.1 Output Relay Types (EX System only)
NOTE:
The following relay types are not available with Flex EM systems.
1. 3 output relays per motion – shared 2nd speed output relay
Output relays with Forward 1st speed (F1), Reverse 1st speed (R1) and Forward/
Reverse 2nd speed (F/R2). Forward and Reverse 2nd speed (F/R2) share the same
output relay.
2. 4 output relays per motion – separate 1st and 2nd speed output relays
Output relays with Forward 1st speed (F1), Reverse 1st speed (R1), Forward 2nd
speed (F2) and Reverse 2nd speed (R2). Forward and Reverse 2nd speed with
separate output relays.
4.2.2.2 Output Relay Actions at 2nd Speed (EX System only)
The following relay configurations are not available with Flex EM systems.
See Section
4.2.4 on page 39
for instructions on how to set them with EX systems.
1. 3 output relay configuration with Closed/Closed contact at 2nd speed
At 2nd speed, both 1st speed (F1 or R1) and 2nd speed (F/R2) output relays are
closed.
F1
R1
F/R2
F1
F2
R1
R2
F1
F/R2
R1
R1
F1
F/R2
Forward 1
st
speed pushbutton pressed
Forward 2
nd
speed pushbutton pressed
↓
↓