Innotech Genesis V4 System - Manual (Page 37)

Installation Instructions for Innotech Genesis Systems
Edition 011100 3-11
NOTE
Because much of the MPC’s input/output connection information is
similar to that of the Genesis II Digital Controller, the following
paragraphs make frequent reference to related paragraphs in the
Genesis II Digital Controller section. Therefore, readers should
familiarise themselves with the types of data contained in Paragraph
3-3.1 and its subparagraphs before reading further.
3-3.2.1. Power Input. The Genesis II MPC power requirements are the same as for
the Genesis II Digital Controller, except that the MPC contains a third power terminal
(Terminal 3) which is an earth connection point. This is an independent earth connection
point and is in addition to the earthed AC Neutral at Terminal 2. Refer to Paragraph 3-
3.1.1.
3-3.2.2. Digital Inputs. The Genesis II MPC’s digital input channel wiring
information is similar to that of the Genesis II Digital Controller, except that the MPC has
four digital input channels. Refer to Paragraph 3-3.1.2.
The MPC’s digital input terminals are not assigned terminal numbers; however each
terminal is clearly labelled as to its polarity and signal name. Signal names assigned to the
terminals are DI1+/
−
through DI4+/
−
.
3-3.2.3. Digital Outputs. The Genesis II MPC’s digital output wiring information is
similar to that of the Genesis II Digital Controller (refer to Paragraph 3-3.1.3), with the
following exceptions:
•
The NC output relay contacts are not used. Only the C and NO contacts of the eight
digital output relays are represented at the output terminals.
•
Terminal numbers are not assigned, however terminals are clearly labeled as to signal
name: DO1(NO)/(C) through DO8(NO)/(C).
3-3.2.4. Analogue Inputs. The Genesis II MPC’s analogue input channel wiring
information is similar to that of the Genesis II Digital Controller, except that the MPC has
four analogue input channels. Refer to Paragraph 3-3.1.4.
The MPC’s analogue input terminals are not assigned terminal numbers; however, each
terminal is clearly labelled as to its polarity and signal name. Signal names assigned to the
terminals are AI1+/
−
through AI4+/
−
.
CAUTION
SPECIAL CONSIDERATION MUST BE MADE WHEN USING
LOOP-POWERED 4-20MA INPUTS. BECAUSE THIS TYPE OF
INPUT DRAWS 20MA FROM THE MPC, A MAXIMUM OF TWO
INPUTS OF THIS TYPE MAY BE USED. THIS TYPE OF INPUT
MUST NOT BE USED ON LOCAL OR REMOTE EXPANSION
MODULES.