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Mode
Alarm Type
Alarm output will be enabled when the temperature reaches the upper limit.
2
Alarm will be enabled when the PV exceeds SV + AL-H.
Alarm output will be enabled when the temperature reaches the lower limit.
3
Alarm will be enabled when the PV falls below SV – AL-L.
4
Alarm will be enabled when the PV is between SV + AL-L and SV – AL-L.
Alarm output will be enabled when the temperature reaches the absolute
5
value of the upper and lower limits.
Alarm will be enabled when the PV exceeds AL-H or falls below AL-L.
Alarm output will be enabled when the temperature reaches the absolute
6
value of the upper limit.
Alarm will be enabled when the PV exceeds AL-H.
Alarm output will be enabled when the temperature reaches the absolute
7
value of the lower limit.
Alarm will be enabled when the PV falls below AL-L.
Standby upper/lower limit alarm
8
Alarm will be enabled when the PV reaches SV and exceeds SV + AL-H or
falls below SV – AL-L.
Upper limit standby alarm
9
Alarm will be enabled when the PV reaches SV and exceeds SV + AL-H.
Lower limit standby alarm
10
Alarm will be enabled when the PV reaches SV and falls below SV – AL-L
Upper limit hysteresis alarm
11
Alarm will be enabled when the PV exceeds SV + AL-H and disabled when
the PV falls below SV + AL-L.
Lower limit hysteresis alarm
12
Alarm will be enabled when the PV falls below SV – AL-H and disabled
when the PV exceeds SV – AL-L.
Note: AL-H and AL-L include AL1H, AL2H, AL1L and AL2L. When Output 1 is set to Alarm Output, use AL1H (1024H) and AL1L
(1025H). When Output 2 is set to Alarm Output, use AL2H (1026H) and AL2L (1027H).
LED Display
1. When power is normal, POWER LED will be on.
2. After DTC1000/2000 is switched on, all LED will be on. The communication protocol will be displayed in 1 second,
followed by the communication address in the next second.
3. RUN LED is on when the control is executing.
4. ERROR LED is on when errors occur in input, memory or communication.
5. When an output is executing, its corresponding output LED will be on.
6. AT LED flashes when PID parameters are being auto-tuned.
7. RX LED flashes when DTC1000/2000 receives communication signals. TX LED flashes when DTC1000/2000
sends out communication signals.
Communication protocol displayed on LED after the power of DTC1000/2000 is switched on:
AT
TX
RX
O1
000: 2,400bps 001: 4,800bps
010: 9,600bps
Parity 00: None 01: Even
011: 19,200bps 100: 38,400bps
10: Odd
Communication address display: AT (bit 6) and Run (bit 0) are combined to binary code.
Password Function
The default setting of the password is disabled. To enable the password function, enter the 4-character password in the
specific communication address. The password is protected by 3 levels.
1. Level 1: Only LED status, SV and PV can be read. No settings can be modified.
2. Level 2: Only LED status, SV and PV can be read. Only SV can be modified.
3. Level 3: All SV can be read. Only SV and auto-tuning can be modified.
4. Level 4: No password protection.
When a password is set (in 106EH ~ 1070H), the protection will enter Level 1. To enter other levels, enter the
corresponding password (in 106BH ~ 106DH). After DTC1000/2000 is switched off, the protection will return to Level 1.
To unlock the password protection, the user has to remove all the passwords (in 106EH ~ 1070H).
The password protection level can be read in 106EH ~ 1070H:
bit
b0
b1
b2
b3
Status
Level 1
Level 2
Level 3
Level 1 locked
Level 2 locked
bit = 0 refers to no password is set. bit = 1 refers to the password has been set (b0 ~ b2). b3 ~ b6 display the current level status.
Synchronous Communication Protocol & Auto ID Setup
This function allows the user to set the communication protocol of DTC2000 to the same protocol as set in the first
DTC1000. The station IDs of DTC1000/2000 are arranged in decreasing order. Follow the steps below.
1. Set the auto communication ID of DTC1000 to "1" (communication address: 1022H).
2. Switch off DTC1000 before connecting it to DTC2000. Switch it on again.
3. Default communication protocol: 9,600bps, 7 bits, Even, 1 stop bit, communication address 01.
4. This function will consume 3 ~ 5 seconds more when you switch on your DTC.
RS-485 Communication
1. Supports transmission speed: 2,400, 4,800, 9,600, 19,200, 38,400bps;
2. Does not support 7, N, 1 / 8, E, 2 / 8, O, 2 communication format;
3. Communication protocol: Modbus ASCII/RTU;
4. Function code: 03H (read Max. 8 words in register), 06H (write 1 word into register), 01H (read Max. 16 bits of
data), 05H (write 1 bit into register).
Alarm Output Operation
Address
Setting
ON
OFF
SV
AL-H
1000H
ON
OFF
AL-L
SV
ON
1001H
0
OFF
1002H
6,000
AL-L
SV
AL-H
1003H
-200
ON
OFF
1004H
12
AL-L
AL-H
1005H
0
1007H
4
ON
OFF
1008H
4
AL-H
1009H
476
ON
100AH
260
OFF
100BH
41
AL-L
100CH
0
ON
OFF
100DH
0
AL-L
SV
AL-H
100EH
100
ON
OFF
100FH
0
SV
AL-H
1010H
0
ON
OFF
1011H
0
AL-L SV
1012H
0
1013H
0
ON
OFF
1014H
0
AL-L
AL-H
1015H
0
ON
1016H
0
OFF
1020H
0
AL-H
AL-L
1021H
0
1022H
0
1024H
40
1025H
40
1026H
40
1027H
40
102AH
102CH
0
102EH
102FH
1030H
0
1032H
1033H
1034H
1035H
1037H
1,000
O2
Err
Run
1038H
0
0: ASCII
0:2 Stop bits
1040H~
7
1: RTU
1:1 Stop bit
1043H
1050H~
0
1053H
1060H~
0
1063H
1068H
1
1069H
0
106AH
0
106BH
0
106CH
0
106DH
0
106EH
0
b4
b5
b6
106FH
0
Level 3 locked
Unlocked
1070H
0
1071H
1
1072H
0
1073H
2
1074H
1
1075H
1
1076H
1
2000H~
0
203FH
2080H~
0
20BFH
5. Address and content of the bit register (read bits are stored starting from LSB, and written data is FF00H, set the
bit as 1. 0000H sets the bits data to "0").
0811H
0813H
0814H
0815H
0816H
6. Communication format: Command 01: read bit, 05: write bit, 03: read word, 06: write word.
Content
Explanation
Unit: 0.1 degree. Analog input: 1EU.
The read values below indicate the occurrence of errors:
8002H: Temperature not acquired yet
Present temperature value (PV)
8003H: Temperature sensor not connected
8004H: Incorrect sensor type
8006H: Unable to acquire temperature, ADC input error
8007H: Unable to read/write the memory
Set point (SV)
Unit: 0.1 degree. Analog input: 1EU.
Upper-limit of temperature range
The content shall not be bigger than the range. Unit: 0.1°
Lower-limit of temperature range
The content shall not be smaller than the range. Unit: 0.1°
Input sensor type
See the table in "Input" section.
Control method
0: PID, 1: ON/OFF, 2: Manual, 3: programmable PID
Control cycle of Output 1
0 ~ 99, 0: 0.5sec
0 ~ 99, 0: 0.5sec (Invalid when the 2 outputs are the same
Control cycle of Output 2
control.)
Proportional band value
1 ~ 9,999, Unit: 0.1°. Analog input: 1EU
Ti value
0 ~ 9,999
Td value
0 ~ 9,999
Default integration value
0 ~ 1,000, Unit: 0.1%
Offset compensation value for proportional
0 ~ 1,000, Unit: 0.1%
control (when Ti=0))
COEF setting when in dual control output
1 ~ 9,999, Unit: 0.01
Deadband setting when in dual control
-999 ~ 9,999, Unit: 0.1° or 1EU
output
Hysteresis of Output 1
0 ~ 9,999, Unit: 0.1° or 1EU
Hysteresis of Output 2
0 ~ 9,999, Unit: 0.1° or 1EU
Read/write output percentage of Output 1
Unit: 0.1%. "Write" is only applicable in manual mode.
Read/write output percentage of Output 2
Unit: 0.1%. "Write" is only applicable in manual mode.
Upper-limit regulation for analog linear output
1 scale = 2.8μA = 1.3mV
Lower-limit regulation for analog linear output
1 scale = 2.8μA = 1.3mV
Temperature offset regulation value
-999 ~ +999, Unit: 0.1° or 1EU
Output mode for Alarm 1
See "Alarm Output" section.
Output mode for Alarm 2
See "Alarm Output" section.
Communication flag auto-set
0: Communication banned, 1: Communication auto-set
Upper limit for Alarm 1
See "Alarm Output" section.
Lower limit for Alarm 1
See "Alarm Output" section.
Upper limit for Alarm 2
See "Alarm Output" section.
Lower limit for Alarm 2
See "Alarm Output" section.
Read/write status
b1: ALM2, b2: °C, b3: °F, b4: ALM1, b5: O2, b6:O1, b7: AT
Positive/negative proportional output
0: positive, 1: negative
LED status
b0: RUN, b1: ERR, b2: O2, b3: O1, b4: RX, b5:TX b6: AT
Software version
V1.00 is indicated as 0x100
No. of start pattern
0 ~ 7
Remaining time of the executed step
Unit: second
Remaining time of the executed step
Unit: minute
No. of currently executed step
0 ~ 7
No. of currently executed pattern
0 ~ 7
Upper limit of proportional output
0 ~ 100% upper limit of analog output, Unit: 0.1%
Lower limit of proportional output
0 ~ 100% lower limit of analog output, Unit: 0.1%
0 ~ 7 = N refers to the pattern will be executed from Step 0
Number of steps in a pattern
to Step N.
0 ~ 199 refers to the pattern will be executed for 1 ~ 200
Additional number of cycles for a pattern
times.
No. of the link pattern for the current
0 ~ 8, 8 refers to end of the program. 0 ~ 7 refers to the
pattern
next pattern No. following the current pattern.
Run/Stop setting
0: Stop, 1: Run, 2: Program end, 3: Program hold
Control selection of Output 1
0: Heating, 1: Cooling, 2: Alarm, 3: Proportional output
Control selection of Output 2
0: Heating, 1: Cooling, 2: Alarm
Unlock Level 1 password protection.
Shall be the same as Level 1 password (106E)
Read/write allowed
Unlock Level 2 password protection. Use
Shall be the same as Level 2 password (106F)
Level 3.
Unlock Level 3 password protection. Use
Shall be the same as Level 3 password (1070)
Level 2
Unlock Level 1 password protection/Set up
Unlock password before setting it up.
password
Unlock Level 2 password protection/Set up
Unlock password before setting it up.
password
Unlock Level 3 password protection/Set up
Unlock password before setting it up.
password
Read/write communication address
1 ~ 247
Read/write communication format
1: RTU, 0: ASCII
Read/write communication speed
0 ~ 4: 2,400 ~ 38,400
Read/write communication data length
0: 8 bits, 1: 7 bits
Read/write parity bit
0: None, 1: Even, 2: Odd
Read/write stop bit
0: 2 stop bits, 1: 1 stop bit
SV temperature for Pattern 0 ~ 7.
Unit: 0.1°
SV for Pattern 0 is set in 2000H ~ 2007H
Execution time for Pattern 0~7.
0 ~ 900 (1 scale = 1 minute)
Time for Pattern 0 is set in 2080H ~ 2087H
Temperature unit display
0:°F, 1: °C (Default)
Read/write auto-tuning status
0: End (Default), 1: Start
Run/Stop setting
0: Stop, 1: Run (Default)
Program hold flag
1: Program hold
Program stop flag
1: Program stop
ASCII Mode
Read Command
Read Response Message
Write Command
Start word
':'
':'
Start word
':'
':'
Start word
Machine address 1
'0' '0'
Machine address 1
'0'
'0'
Machine address 1
Machine address 0
'1' '1'
Machine address 0
'1'
'1'
Machine address 0
Command 1
'0' '0'
Command 1
'0'
'0'
Command 1
Command 0
'3' '1'
Command 0
'3'
'1'
Command 0
'1' '0'
'0'
'0'
Length of response data
(byte)
'0' '8'
'4'
'2'
Read staring address of
Write data address
data/bit
'0' '1'
'0'
'1'
'0' '0'
'1'
'7'
Data content in
1000H/081xH
'0' '0'
'F'
'0'
'0' '0'
'4'
'1'
Read length of data/bit
To write data content
(word/bit)
'0' '0'
'0'
'2' '9'
'0'
Data content in 1001H
LRC1 check
'E' 'D'
'0'
LRC1
LRC0 check
'A' 'D'
'0'
LRC0
End word 1
CR CR
LRC1 check
'0'
'E'
End word 1
End word 0
LF LF
LRC0 check
'3'
'4'
End word 0
End word 1
CR CR
End word 0
LF LF
LRC Check
LRC check sums up from "machine address" to "data content", e.g. 01H + 03H + 10H+ 00H + 00H + 02H = 16H. Obtain 2's
complement EA.
RTU Mode
Read Command
Read Response Message
Write Command
Machine address
01H
01H
Machine address
01H 01H
Machine address
Command
03H
01H
Command
03H 01H
Command
10H
08H
Read start address
Length of response
04H 02H
Write data address
of data
data (byte)
00H
10H
00H
00H
01H 17H
Read length of data
Data content 1
Write data content
(bit/word)
02H
09H
F4H 01H
CRC low byte
C0H BBH
03H
CRC low byte
Data content 2
CRC high byte
CBH A9H
20H
CRC high byte
CRC low byte
BBH 77H
CRC high byte
15H 88H
CRC Program Example
unsigned int reg_crc = 0xffff; i = 0;
while (length--)
{
reg_crc ^= RTUData[i];
i ++;
for (j = 0; j < 8; j++)
{
if (reg_crc & 0x01)
reg_crc = (reg_crc >> 1) ^ 0xA001;
else
reg_crc = reg_crc >> 1;
}
}
return(reg_crc);
Installation
How to connect maximum 8 DTC1000/2000 controllers by using DIN rail.
How to Set Up Current Input
For general input
For current input (4 ~ 20mA, 0 ~ 20mA)
JU MP ER
JP1
P IN HE A DE R
DE FA U LT SE TTI NG
The content of this instruction sheet may be revised without prior notice. Please consult our distributors or
download the most updated version at http://www.delta.com.tw/industrialautomation
Write Response Message
':'
':'
Start word
':'
':'
'0'
'0'
Machine address 1
'0' '0'
'1'
'1'
Machine address 0
'1' '1'
'0'
'0'
Command 1
'0' '0'
'6'
'5'
Command 0
'6' '5'
'1'
'0'
'1' '0'
'0'
'8'
'0' '8'
Write data address
'0'
'1'
'0' '1'
'1'
'0'
'1' '0'
'0'
'F'
'0' 'F'
'3'
'F'
'3' 'F'
Write data content
'E'
'0'
'E' '0'
'8'
'0'
'8' '0'
'F'
'E'
LRC1
'F' 'E'
'D'
'3'
LRC0
'D' '3'
CR CR
End word 1
CR CR
LF LF
End word 0
LF LF
Write Response Message
01H 01H
Machine address
01H 01H
06H 05H
Command
06H 05H
10H 08H
10H 08H
Write data address
01H 10H
01H 10H
03H FFH
03H FFH
Write data content
20H 00H
20H 00H
DDH 8FH
CRC low byte
DDH 8FH
E2H 9FH
CRC high byte
E2H 9FH
J UMP E R
JP1
P IN HE A DE R
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