- 11 -
© 2021 Chromalox
®
, Inc.
1-888-996-9258
4.2.4 - Command Signal Wiring
WARNING
The following wiring instructions are for the digital minimax
only. If using analog minimax, contact factory for appropriate
wiring schematics. Analog minimax are designated as MMAXI,
II, or III followed by the number 1, 2, 3, or 4 under the firing
mode.
Modbus
Connection
Customer
Inputs*
Not a
Customer
Connection
Outputs
for
Customer
Customer
Input
Outputs
for
Customer
**
Not a
Customer
Connection
Please refer to the figures on page 12 for illustrations of the 6-, 8-, and 10-pin input terminals.
4.2.2 - Instrument Power
MiniMax requires 120 or 230 Vac 50/60Hz for instrument power. This voltage supplies power
for the control circuits, fans, high temperature warning indicator, and shorted SCR Indicators
(see Fig. 1 on page 15).
This supply is fused on the main circuit board.
4.2.3 - Grounding
Chasis is provided with a stud for ground connections.
WARNING
HAZARDOUS VOLTAGE: This Electrical Equipment must be
installed by a qualified person and effectively grounded in ac-
cordance to the National Electric Code and local codes.
IMPORTANT