Manual 37615C
SPM-D2-10 - Synchronizing Unit
© Woodward
Page 17/68
Discrete Inputs
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CAUTION
Please note that the maximum voltages which may be applied at the discrete inputs are defined as fol-
lows. Voltages higher than those specified will damage the hardware!
Maximum input range: +/-18 to 250 Vac.
Signal device
Discrete input
B
A
CB
Reply
Discrete input
D
C
3
18 to 250 Vac/dc
Figure 4-10: Discrete inputs
Input terminal
Common ter-
minal
Description
(acc. DIN 40 719 part 3, 5.8.3)
A
max
Normally open contact
A
B
3
7
Enable CB
2.5 mm²
5
Enable isolated operation / dead bus start
2.5 mm²
6
Enable control or OFF *
2.5 mm²
Normally closed contact
C
D
4
7
Reply: CB is open
2.5 mm²
* refer to Parameter "Terminal 6" on page 42
