Rockwell Automation Publication 1766-UM001I-EN-P - June 2015 31
Wire Your Controller Chapter 3
Grounding the Controller
In solid-state control systems, grounding and wire routing helps limit the effects
of noise due to electromagnetic interference (EMI). Run the ground connection
from the ground screw of the controller to the ground bus prior to connecting
any devices. Use AWG #14 wire. For AC-powered controllers, this connection
must be made for safety purposes.
Bulletin 100C, (C09 - C97) 24…48V AC 100-FSC48
(1)
RC
110…280V AC 100-FSC280
(1)
380…480V AC 100-FSC480
(1)
12…55V AC, 12…77V DC 100-FSV55
(1)
MOV
56…136V AC, 78…180V DC 100-FSV136
(1)
137…277V AC, 181…250V DC 100-FSV277
(1)
278…575V AC 100-FSV575
(1)
12…250V DC 100-FSD250
(1)
Diode
Bulletin 509 Motor Starter Size 0 - 5 12…120V AC 599-K04 MOV
240…264V AC 599-KA04
Bulletin 509 Motor Starter Size 6 12…120V AC 199-FSMA1
(2)
RC
12…120V AC 199-GSMA1
(3)
MOV
Bulletin 700 R/RM Relay AC coil Not Required
24…48V DC 199-FSMA9 MOV
50…120V DC 199-FSMA10
130…250V DC 199-FSMA11
Bulletin 700 Type N, P, PK or PH Relay 6…150V AC/DC 700-N24 RC
24…48V AC/DC 199-FSMA9 MOV
50…120V AC/DC 199-FSMA10
130…250V AC/DC 199-FSMA11
6…300V DC 199-FSMZ-1 Diode
Miscellaneous electromagnetic devices
limted to 35 sealed VA
6…150V AC/DC 700-N24 RC
(1)
Catalog numbers for screwless terminals include the string ’CR’ after ’100-’.
For example: Cat. No. 100-FSC48 becomes Cat. No. 100-CRFSC48; Cat. No. 100-FSV55 becomes 100-CRFSV55; and so on.
(2)
For use on the interposing relay.
(3)
For use on the contactor or starter.
(4)
RC Type not to be used with Triac outputs.
Varistor is not recommended for use on the relay outputs.
Recommended Surge Suppressors
Device Coil Voltage Suppressor Catalog Number Type
(4)
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