RKC INSTRUMENT RB100 User Manual

7. OPERATING ADDITIONAL FUNCTIONS
IMR02C15-E4
7-4
 SV selection by digital input (DI)
To switch to SV1 to SV4 using digital input (DI) [optional], assign the SV selection function in the DI
assignment parameter of Engineering mode before operation.
If Timer function 3 or Timer function 4 is in use, it will not be possible to switch SV (among
SV1 and SV4) by digital input (DI).
For the DI assignment, refer to 8.5 Engineering Mode (P. 8-95).
 Terminal Configuration
 SV switchover timing
2 seconds after the DI1 or DI2 contact changes, the SV change will take place.
[Example: Switching from SV1 to SV2, then to SV3]
When two-point switchover between SV1 and SV2 is selected in the SV selection function
of the DI assignment parameter, the timing of SV switchover is as shown below.
SV switchover takes place “250 ms + 1 sampling cycle *” after the DI1 contact changes.
DI1
OFF (contact open)
ON (contact closed)
SV1
250 ms
+
1 sampling cycle *
SV2
SV1
OFF
*
Sampling cycle: 250 ms
DI1
OFF
ON
SV1
DI2
OFF
ON
2 seconds
SV2 SV3
OFF
OFF
2 seconds
Digital input (DI1 and DI2)
Select SV from SV1 to SV4 using the combination of DI1 and DI2.
OFF (contact open) ON (contact closed)
SV1 SV2 SV3 SV4
DI1
OFF ON OFF ON
DI2
OFF OFF ON ON
Contact input from external devices or equipment should be dry
contact input.
Contact specification: At OFF (contact open) 500 kΩ or more
At ON (contact closed) 10 Ω or less
DI 1
DI 2
15
13
14
COM (-)
RB100
COM (-)
DI 1
DI 2
18
16
17
RB400/500/900
DI 1
DI 2
24
22
23
COM (-)
RB700

RKC INSTRUMENT RB100 Specifications

General

Brand	RKC INSTRUMENT
Model	RB100
Category	Temperature Controller
Language	English