8 IN1 9 IN1_HI
9 IN0 20 IN0_A
14 IN7 RTN* 13 IN3–IN7_B
15 IN6 RTN 13 IN3–IN7_B
16 IN5 RTN 13 IN3–IN7_B
17 IN4 RTN 13 IN3–IN7_B
18 IN3 RTN 13 IN3–IN7_B
19 IN2 RTN 22 IN2_LO
20 IN1 RTN 21 IN1_LO
21 IN0 RTN 8 IN0_B
* If your existing FH Smart head has the return (common) from input IN7 (IN7 RTN) wired to Pin 14, you must move this input
return connection to Pin 13, IN3–IN7_B, on the FH Flyer marking head.
Input/Output circuitry
Output circuit conversion
Tables 6-17
and 6-18 show pin to pin connections for converting existing Index/Tracker output signals
to Flyer’s DB-25 User Interface connector. Use Table 6-17 when all return lines (RTN4–RTN7) are
connected to the I/O circuit’s DC common or return (FH outputs function as low-side switches and are
sinking cur-rent). Refer to Table 6-18 when all output lines (OUT4–OUT7) are connected to the I/O
circuit’s DC voltage supply (V+) (FH outputs function as high-side switches and are sourcing current).
Table 6-17 FH Smart output conversion—all RTN lines grounded (sinking current)
FH Smart I/O Connector Flyer DB-25 I/O Connector
Pin # Function Pin # Function
10 OUT6/OUT7 RTN *2 OUT2–OUT7_B
11 OUT5 16 OUT5_A
12 OUT4 4 OUT4_A
22 OUT7 15 OUT7_A
23 OUT6 3 OUT6_A
24 OUT4/OUT5 RTN *2 OUT2–OUT7_B
* On the Flyer DB-25 User Interface connector, outputs OUT2–OUT7 share a common return—OUT2–7_B on Pin 2. This wiring
scheme assumes that OUT4/OUT5 RTN and OUT6/OUT7 RTN are both tied to the I/O supply’s DC common or return side
(FH Smart outputs are sinking current).
Use Table 6-18 when all output lines (OUT4–OUT7) are connected to the I/O circuit’s DC voltage
supply (V+).
T
able 6-18 FH Smart output conversion—all OUT lines tied to V+ (sourcing current)
SYNRAD FH Series Flyer Operator’s Manual Version 3.4
140
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