Output Connections - Partlow MRC 7000 Installation, Wiring, Operation Manual

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2.6.4 OUTPUT CONNECTIONS

Relay output(s), if provided in the instrument, may be assigned to control or alarm output
functions for Pen 1 and/or Pen 2 (if present). Current outputs may be assigned to control and
process value retransmission output for Pen 1 and/or Pen 2 (if present). The assignment of
the output function (s) are/is accomplished in the Program mode. SPST relay and/or SSR
driver output(s) is/are designated as Relay A through Relay H. SPST relays begin with Relay
A designation, then B, C, etc. SSR drivers begin with Relay H designation then G, F, etc.
except when 4 SSR drivers are required in conjunction with SPDT relays, then designation E
& F are not available. SSR driver designation becomes G, H, D, and C. SPDT relay output(s)
are designated as Relay A and Relay B only.
FIGURE 2-12A
SPST Relay Output
Connections are made to relays A through F as shown. Terminal connections are made using
TB6 (Relay/SSR Driver A, B), TB7 (Relay/SSR Driver C, D) and TB8 (Relay/SSR Driver E, F).
1 2 3 4
N.O. C N.O. C
TB6 Relay A & B, Relay A Terminals 1 & 2
TB7 Relay C & D, Relay C Terminals 1 & 2
TB8 Relay E & F, Relay D Terminals 1 & 2
FIGURE 2-11B
SPDT Relay Output
1 2 3
N.O. C N.C.
TB6 Relay A
TB7 Relay B
HOT
POWER
NEU
LOAD
5 AMPERES
MAXIMUM
AT 115 VAC
HOT
POWER
NEU
LOAD
5 AMPERES
MAXIMUM
AT 115 VAC