KB Electronics Multi Speed Board - Manual (Page 5)

Speed range selection jumpers (HI, LO) and Enable jumper (ENABLE) are also provided.
Other features include a barrier terminal block (TB1) to facilitate wiring and a connector
(CON2) to connect a tach-generator (TACH) for the KBMG.
STANDARD FEATURES
• Multi-Speed Operation – Four (4) user Preset Speeds.
• Forward and Reverse – Each preset provides a selection of forward and reverse direction.
• Speed Range Settings – Each preset provides expanded trimpot adjustments for
motor speed range (0-100, 50-100, 0-50, 33-66 % base speed).
• Enable – Provides electronic Run/Stop function.
PARAMETER SPECIFICATION
Preset or Enable Switch Types Dry Contact* or Open Collector
Maximum Operating Current per Preset (milliamps DC) 1.5
Operating Temperature Range (ºC) 0 – 50
*Note: Contacts must be isolated from the AC line.
TABLE 1 – GENERAL SPECIFICATIONS
FIGURE 2 – PRESETS 1 THRU 4
HI LO
PRESET 1
HI LO LO LO HI R/F R/F R/F
PRESET 2 PRESET 3
HI
PRESET 4
R/F
3
II. SETTING SELECTABLE
JUMPERS (each preset)
The KBMG Multi-Speed Board has customer
selectable jumpers which can be set for a
specific application. See Figure 2.
Note: Disconnect the AC line before changing
position of jumpers.