Page 23
HA249928
Issue 15 Jly 06
100 MM CHART RECORDER USER GUIDE
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Input board
C NO C NO
C NO C NO
Ch. 1
relay 1
Ch. 1
relay 2
Ch. 2
relay 1
Ch. 2
relay 2
Option board No 3
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C NO C NO
C NO C NO
Ch. 3
relay 1
Ch. 3
relay 2
Ch. 4
relay 1
Ch. 4
relay 2
C NO C NO
C NO C NO
Ch. 5
relay 1
Ch. 5
relay 2
Ch. 6
relay 1
Ch. 6
relay 2
Option board No 1
Option board No 2
Option board No 4
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Input board
C NC C NC
C NC C NC
Ch. 1
relay 1
Ch. 1
relay 2
Ch. 2
relay 1
Ch. 2
relay 2
Option board No 3
Option board No 4
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Option board No 1
Option board No 2
C NC C NC
C NC C NC
Ch. 3
relay 1
Ch. 3
relay 2
Ch. 4
relay 1
Ch. 4
relay 2
C NC C NC
C NC C NC
Ch. 5
relay 1
Ch. 5
relay 2
Ch. 6
relay 1
Ch. 6
relay 2
4.1.2 Four normally-open relays board
This 1/2 board supplies four relays with common and normally open contacts. In alarm or power off conditions, the
common and normally open contacts are open. Figure 4.1.2 below, shows wiring details for 12 relays located at op-
tion board positions 1, 2 and 3.
Figure 4.1.2 Normally-open relay wiring (alarm / powr off state)
4.1.3 Four normally-closed relays board
This 1/2 board supplies four relays with common and normally closed contacts. In alarm or power off conditions, the
common and normally closed contacts are closed. Figure 4.1.3 below, shows wiring details for 12 relays located at
option board positions 1, 2 and 3.
Figure 4.1.3 Normally-closed relay wiring (alarm / power off state)