Emerson Bettis 500 User Manual

Installation and Operation Manual
E2K-405-0218 Rev. 2 February 2018
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Section 3: Installation
Installation
Table 3-3. RDM Connections with Internal Power Source (24VDC)
RDM Interface Module
Connector P2
Function TEC2 STC Terminals
P2-10 (24V +) 24 Vdc(+) 9
P2-9 (24V -) 0V Common 10
P2-3 (CHA -) RS-485 (-) 23
P2-5 (CHA +) RS-485 (+) 21
P2-4 (CHA N) Shield 24
3.8.2 115/230 Vac Power Source
If the RDM is receiving power from an external source, connect cable type Belden
9841 or equivalent as detailed in Table 3-4.
Table 3-4. Connections with External Power Source (External AC)
RDM Interface Module
Connector P2
Function TEC2 STC Terminals
P2-1 (AC +) 115/230 Vac 50/60 Hz (+) -
P2-2 (AC -) 0V Common -
P2-3 (CHA +) RS-485 (+) 21
P2-5 (CHA N) RS-485 (-) 23
P2-4 (CHA -) Shield 24
3.8.3 Two RDMs (One 24 Vdc and One 115/208/220/230 Vac Power Source)
To use two RDMs, one can receive 24V DC power from the actuator and the other
has to get power from an external AC source, 115/208/220/230 Vac.
3.8.4 RDM Connections and Dip Switch Settings
Table 3-5. Dip Switch (SW5 and SW6) Settings
RDM1 RDM2 LDM
SW1-5 On Off Off
SW1-6 Off On Off

Emerson Bettis 500 Specifications

General

Brand	Emerson
Model	Bettis 500
Category	Controller
Language	English