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Flex M Engineered Receiver Instruction Manual
May 2019
Page 25 of 50
4.5.1 RELAY MODULE LED OPERATION
When the Flex M system is supplying power to the Relay module, an LED indicates the power and
communication status of the Relay module.
Figure 20. GEN1 Relay Module LED Placement
•
OK LED
o
Solid indicates module communication with system is good
o
3 Blinks indicates read/write error to attached CPU module
Additionally, there are eight LEDs labeled 1 through 8 on the Relay module. When the LED is on, this
indicates that the relay is closed/activated.
4.6 RELAY MODULE – GEN 2
This section is applicable to the following relay module part number(s):
•
198-80104-RLY01
Identifying a GEN2 Relay module:
•
The module will contain a label with the part number listed above
•
The LED overlay decal will be blue
All output relay contacts are rated for 8 Amps 277VAC/30VDC, 1 HP 240VAC for maximum life and surge
protection, and protected with MOVs. Connection to equipment or contactors with higher voltage or
current requirements will require intermediate relays.
The Flex M Relay module allows the control of high current power (up to 8A) for attached equipment
through eight relay outputs. All eight relays have individual inputs contacts, and two relays K1 and K2
can be configured manually for either normally open (NO) or normally closed (NC) contacts. To configure
K1 and K2, remove the board as described in Section 3.9, then refer to Figure 21 for the appropriate
jumper setting. The rotary switch located on the lower left corner of the board sets the relay module
number.