IMPULSE®•G+ & VG+ Series 4 Instruction Manual - February 2017
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S4IF Interface Specifications
IMPULSE
®
•G+ & VG+ Series 4 is designed to interface with user input and output devices through
the S4IF interface board. This eliminates the need for an additional interface relay or isolation
circuitry. The S4IF comes in 24 VDC, 24 VAC (50/60 Hz), 42 to 48 VAC (50/60 Hz), and 120 VAC
(50/60 Hz) options.
The S4IF has eight optically isolated input terminals which can be used to connect the user input
device to the drive. The eight terminals are multi-function terminals, and are used for speed control
and other controls.
The drive has four 250 VAC, 1.0 Amp relays for output devices. It includes three programmable
multi-function output terminals, and a fault output terminal.
NOTE: The 250 VAC relays must be derated to 48 VAC to comply with CE.
Table 1-7: S4IF Ratings
S4I and S4IO Option Specifications
IMPULSE
®
•G+ & VG+ Series 4 is compatible with AC digital input (S4I) and AC digital input/output
(S4IO) options. The options expand the I/O capability of the drives, without the need for interface
relays or isolation circuitry.
The S4I has four optically isolated input terminals. The S4IO has four optically isolated input
terminals and four dry contact form A relays.
Table 1-8: S4I Ratings
S4IF Model
S1-S8
Voltage Frequency
S4IF-120A60* 120 VAC 50/60 Hz
S4IF-48A60 42–48 VAC 50/60 Hz
S4IF-24A60 24 VAC 50/60 Hz
S4IF-24D00 24 VDC --
* Not certified for CE compliance.
S4I Model
I1-I4
Voltage Frequency
S4I-120A60* 120 VAC 50/60 Hz
S4I-48A60 42–48 VAC 50/60 Hz
S4I-24A60 24 VAC 50/60 Hz
* Not certified for CE compliance.
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