User Guide

Operating Instructions αlpha-RES1000

7) Continue with additional Advanced Set-up procedures, or return to Measurement mode by

pressing ∆ and ∇ keys (escape) simultaneously.

7.3 Control Relay A/Control Relay B (SP1/SP2) sub-function

SP1 option sets operating parameters for Relay A; and SP2 for relay B. Since these groups have the

same set-up parameters, they are described together.

7.3.1 Entering the Set point 1 (Set point 2) sub-function

1) Enter Advanced Set-up mode. Push the ENTER key and

scroll to Advanced Set-up security code “22”. Push the

ENTER key again.

2) Press the ∆ or ∇ keys to scroll until the upper display

shows SP1 (SP2).

7.3.2 Selecting the set point values

This lets you choose the value that will cause your controller to

activate (Default: SP1 = 1.00 mΩ; SP2 = 19.00 mΩ).

1) Follow directions in 7.3.1 to enter Control Relay mode. If

you are in this mode, skip to step 2.

2) Press the ENTER key. The upper display shows the

current set point value and the lower display shows SP1

(SP2).

3) Press the ∆ or ∇ keys to select your value for Set point 1

(Set point 2). Your controller will activate at the value you

select.

4) Press the ENTER key to confirm your selection.

5) Proceed to 7.3.3, or return to Measurement mode by pressing the ∆ and ∇ keys simultaneously

(escape).

7.3.3 Choosing High or Low set points

When ‘Lo’ is selected, the control relay is activated when the value is lower than SP1 (SP2). When ‘Hi’

is selected, the control relay is activated when the value is higher than the set point (SP1/SP2). Using

both SP1 and SP2, you can select lo/lo, lo/hi, hi/lo, or hi/hi set points (Default: SP1 = Lo; SP2 = Hi).

1) Follow directions in 7.3.1 to enter Control Relay mode.

2) Press the ENTER key until the upper display shows Lo or Hi (for low or high set point) and the

lower display shows SP1 (SP2).

3) Press ∆ or ∇ keys to select low (lo) or high (hi) set point for SP1 (SP2). Press ENTER key.

HOLD SETUP HOLD SETUP HOLD SETUP HOLD SETUP HOLD SETUP HOLD SETUP

SP 1

0.20

HYS

On.d

Of.d

1.00

SP 1

1.00

mΩ

SP 1

HOLD SETUP